MPLN.WS / MultiPlan Corporation - Equity Warrant - Depositi SEC, Relazione annuale, dichiarazione di delega

1 September 3, 2025 Investor Presentation Company Overview 2 Disclaimer Forward-Looking Statements This presentation includes statements that express our management’s opinions, expectations, beliefs, plans, objectives, assumptions or projections rega

claritevinvestorpresent 1 September 3, 2025 Investor Presentation Company Overview 2 Disclaimer Forward-Looking Statements This presentation includes statements that express our management’s opinions, expectations, beliefs, plans, objectives, assumptions or projections regarding future events or future results and therefore are, or may be deemed to be, “forward-looking statements.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2025 Claritev Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 3, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Statement of Eligibility under the Trust Indenture Act of 1939, as amended, of the Trustee

Exhibit 25.1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) WILMINGTON TRUST, NATIONAL ASSOCIATION (Exact name of trustee as specified in its charter) 16-1486454 (I.R.S. employer identification no.) 1100 North Market Street Wilmington, DE 19890-0001 (Address of principal

Form of Subordinated Indenture

Exhibit 4.7 CLARITEV CORPORATION as Issuer and WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee INDENTURE Dated as of [ ] Subordinated Debt Securities CROSS-REFERENCE TABLE1 Section of Trust Indenture Act of 1939, as Amended Section of Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a). 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 o TRANSITION REPORT PU

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-3

As filed with the Securities and Exchange Commission on August 7, 2025

As filed with the Securities and Exchange Commission on August 7, 2025 Registration No.

Form of Senior Indenture

Exhibit 4.6 CLARITEV CORPORATION as Issuer and WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee INDENTURE Dated as of [ ] Senior Debt Securities CROSS-REFERENCE TABLE1 Section of Trust Indenture Act of 1939, as Amended Section of Indenture 310(a). 7.09 310(b). 7.08 7.10 310(c). Inapplicable 311(a). 7.13(a) 311(b). 7.13(b) 311(c). Inapplicable 312(a) 5.02(a) 312(b). 5.02(b) 312(c). 5.02(c) 313(a).

Filing Fee Table

Ex-Filing Fees CALCULATION OF FILING FEE TABLES S-3 Claritev Corporation Table 1: Newly Registered and Carry Forward Securities Line Item Type Security Type Security Class Title Notes Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Newly Registered Securities Fees to be Paid Equity Class A common stock, par value $0.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 Claritev Corporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

Claritev Corporation Reports Second Quarter 2025 Results

EXHIBIT 99.1 E Claritev Corporation Reports Second Quarter 2025 Results –Q2 2025 Revenues of $241.6 million, Net Loss of 62.6 million, and Adjusted EBITDA of $154.0 million (Adjusted EBITDA Margin of 63.8%) –Full-year 2025 guidance updates to Revenue range (flat to +2% vs. 2024), Free Cash Flow range (usage of $20 million to generation of $20 million for year) and Capital Expenditures ($170 millio

Filing Fee Table

Calculation of Filing Fee Tables S-8 Claritev Corp Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Class A Common Stock Other 1,750,000 $ 20.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 o TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 CLA

Offer Letter, dated September 26, 2024, between

Exhibit 10.4 September 26, 2024 Ms. Tiffani Misencik Sent via email: [email address] Dear Tiffani, We are pleased to confirm our offer of employment with MultiPlan. We believe you have the experience and the qualifications to contribute to our team. The position offered is Senior Vice President, Chief Growth Officer, reporting to Travis Dalton, President, and CEO. Your expected start date is Octob

As filed with the Securities and Exchange Commission on May 9, 2025

As filed with the Securities and Exchange Commission on May 9, 2025 Registration No.

Employment Agreement, dated February 2

Exhibit 10.1 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (this “First Amendment”) is made and entered into February 28, 2025 (the “First Amendment Effective Date”), by and between Claritev Corporation (formerly known as MultiPlan Corporation), a Delaware corporation (together with any successor thereto, the “Company”), and Travis Dalton (the “Executive”). W

Form of Chief Executive Officer Stock-Settled Restricted Stock Unit Award under the 2020 Omnibus Incentive Plan

Exhibit 10.8 RESTRICTED STOCK UNIT GRANT NOTICE UNDER THE CLARITEV CORPORATION 2020 OMNIBUS INCENTIVE PLAN Claritev Corporation, a Delaware corporation (the “Company”), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below (the “Awarded Unit

First Amendment to Employment Agreement, dated February 27, 2025, between

Exhibit 10.3 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (this “First Amendment”) is made and entered into February 27, 2025 (the “First Amendment Effective Date”), by and between Claritev Corporation (formerly known as MultiPlan Corporation), a Delaware corporation (together with any successor thereto, the “Company”), and Douglas Garis (the “Executive”). W

Amendment No. 1 to Employee Stock Purchase Plan.

Exhibit 10.17 AMENDMENT NO. 1 TO MULTIPLAN CORPORATION 2023 EMPLOYEE STOCK PURCHASE PLAN This Amendment No. 1 (this “Amendment”) to the MultiPlan Corporation 2023 Employee Stock Purchase Plan (the “Plan”), is effective as of the date the Board of Directors of Claritev Corporation (the “Company”) approved the Amendment. WHEREAS, the Company maintains the Plan; WHEREAS, capitalized terms not herein

Form of Executive Officer Stock-Settled Restricted Stock Unit Award under the 2020 Omnibus Incentive Plan

Exhibit 10.6 RESTRICTED STOCK UNIT GRANT NOTICE UNDER THE CLARITEV CORPORATION 2020 OMNIBUS INCENTIVE PLAN Claritev Corporation, a Delaware corporation (the “Company”), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of Restricted Stock Units set forth below (the “Awarded Unit

Amendment No. 2 to 2020 Omnibus Incentive Plan.

Exhibit 10.14 AMENDMENT NO. 2 TO MULTIPLAN CORPORATION 2020 OMNIBUS INCENTIVE PLAN This Amendment No. 2 (this “Amendment”) to the MultiPlan Corporation Omnibus Incentive Plan, as amended (the “Plan”), is effective as of the date the Board of Directors of Claritev Corporation (the “Company”) approves the Amendment. WHEREAS, the Company maintains the Plan; WHEREAS, capitalized terms not herein defin

Employment Agreement Amendment Letter, dated

Exhibit 10.2 February 28, 2025 Mr. Travis Dalton Claritev Corporation 7900 Tysons One Pl., Suite 400 McLean, VA 22102 Re: Agreement regarding Employment Agreement Amendment and 2025 Annual Grant Dear Travis: This letter sets forth our agreement with respect to an amendment (the “Amendment”), in the form attached hereto as Exhibit A, that we have agreed will be made to the Employment Agreement, eff

Form of Executive Officer Cash-Settled Restricted Stock Unit Award under the 2020 Omnibus Incentive Plan

Exhibit 10.7 CASH-SETTLED RESTRICTED STOCK UNIT GRANT NOTICE UNDER THE CLARITEV CORPORATION 2020 OMNIBUS INCENTIVE PLAN Claritev Corporation, a Delaware corporation (the “Company”), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of cash-settled Restricted Stock Units set fort

Form of Severance Letter for Executives

Exhibit 10.5 [MONTH] [●], 2025 [Mr. / Ms. / Mrs.] [LAST NAME] Claritev Corporation [ADDRESS] Re: Severance Dear [NAME]: Claritev Corporation, a Delaware corporation (the “Company”), considers your employment as [POSITION] with the Company valuable and desires to enter into this letter agreement to set forth the payments and benefits you will be entitled to receive in the event your employment is t

Form of Chief Executive Officer Cash-Settled Restricted Stock Unit Award under the 2020 Omnibus Incentive Plan

Exhibit 10.9 CASH-SETTLED RESTRICTED STOCK UNIT GRANT NOTICE UNDER THE CLARITEV CORPORATION 2020 OMNIBUS INCENTIVE PLAN Claritev Corporation, a Delaware corporation (the “Company”), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the “Plan”), hereby grants to the Participant set forth below the number of cash-settled Restricted Stock Units set fort

Claritev Corporation Reports First Quarter 2025 Results

EXHIBIT 99.1 E Claritev Corporation Reports First Quarter 2025 Results –Q1 2025 Revenues of $231.3 million, Net Loss of $71.3 million, and Adjusted EBITDA of $142.1 million (Adjusted EBITDA Margin of 61.4%) –Reaffirms full-year guidance McLean, VA — May 8, 2025 — Claritev Corporation (“Claritev” or the “Company”) (NYSE: CTEV), a technology, data and insights company focused on making healthcare mo

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File N

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

Amendment No. 3 to 2020 Omnibus Incentive Plan.

Exhibit 10.1 AMENDMENT NO. 3 TO CLARITEV CORPORATION 2020 OMNIBUS INCENTIVE PLAN This Amendment No. 3 to Claritev Corporation 2020 Omnibus Incentive Plan, as amended (this “Amendment”), is effective as of the date the stockholders of Claritev Corporation (the “Company”) approve the Amendment. RECITALS WHEREAS, the Company maintains the 2020 Omnibus Incentive Plan (the “Plan”); WHEREAS, capitalized

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

1 Investor Roundtable March 5, 2025 2 Introductions Claritev Team Travis Dalton Chairman, President & CEO Doug Garis Chief Financial Officer Jerry Hogge Chief Operating Officer Michael Kim Chief Digital Officer Sean Crandell SVP-General Manager, Data

1 Investor Roundtable March 5, 2025 2 Introductions Claritev Team Travis Dalton Chairman, President & CEO Doug Garis Chief Financial Officer Jerry Hogge Chief Operating Officer Michael Kim Chief Digital Officer Sean Crandell SVP-General Manager, Data & Decision Science Tiffani Misencik Chief Growth Officer Carol Nutter Chief People Officer Tara O’Neil General Counsel Will Mintz SVP, Corporate Affairs & Strategy Today’s presenters 3 Disclaimer Forward-Looking Statements This presentation includes statements that express our management’s opinions, expectations, beliefs, plans, objectives, assumptions or projections regarding future events or future results and therefore are, or may be deemed to be, “forward-looking statements”.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

Insider Trading Policy.

EXHIBIT 19.1 CLARITEV CORPORATION INSIDER TRADING POLICY 1.PURPOSE AND SCOPE: 1.1.This Policy applies to all of the following (collectively, the “Insiders”), each of whom must, at all times, comply with the securities laws of the United States and all other applicable jurisdictions: ▪Claritev Corporation and its subsidiaries (collectively, the “Company”); ▪their directors, board observers (and any

Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934.

EXHIBIT 4.22 Description of Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 As used herein, references to “we,” “our” or “us” are to Claritev Corporation. Terms used, but not defined, herein have the meanings given to such terms in our Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (the “Form 10-K”). Unless otherwise indicated or the cont

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

List of Subsidiaries

EXHIBIT 21.1 Subsidiaries Entity Jurisdiction Polaris Parent LLC Delaware Polaris Intermediate Corp. Delaware MPH Acquisition Corp. 1 Delaware DKL Insurance Company, Inc. Utah Polaris Group Insurance Solutions Corp. Delaware MPH Acquisition Holdings LLC Delaware MultiPlan, Inc. New York HST Acquisition Corp. Delaware HSTechnology Solutions, Inc. Delaware Medical Audit & Review Solutions, Inc. Dela

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Claritev Reports Fourth Quarter and Full Year 2024 Results with Initial Guidance for Full Year 2025

EXHIBIT 99.1 Claritev Reports Fourth Quarter and Full Year 2024 Results with Initial Guidance for Full Year 2025 –Q4 2024 Revenues of $232.1 million, Net Loss of $138.0 million and Adjusted EBITDA of $141.6 million –Full Year 2024 Revenues of $930.6 million, Net Loss of $1,645.8 million and Adjusted EBITDA of $576.7 million –Full Year 2025 Revenues guidance of (2)% to flat as compared to FY 2024 a

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 24, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Certificate of Amendment to the Second Amended and Restated Certificate of Incorporation of Claritev Corporation as of February 17, 2025.

EXHIBIT 3.1 CERTIFICATE OF AMENDMENT TO THE SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MULTIPLAN CORPORATION MultiPlan Corporation, a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), pursuant to the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: 1. That Article I of the Seconded Amended

Amended and Restated Bylaws of Claritev Corporation as of February 17, 2025.

EXHIBIT 3.2 AMENDED AND RESTATED BYLAWS OF CLARITEV CORPORATION * * * * Article I Offices Section 1.01 Registered Office. The registered office and registered agent of Claritev Corporation (the “Corporation”) shall be as set forth in the Certificate of Incorporation (as defined below). The Corporation may also have offices in such other places in the United States or elsewhere (and may change the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2025 Claritev Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2025 Claritev Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

1

EXHIBIT 99.1 NEWS RELEASE MultiPlan Enters New Era and Unveils New Brand, Claritev, Reflecting Company’s Transformation and Mission to Support the Healthcare Continuum NEW YORK—February 17, 2024—Claritev Corporation (“Claritev” or the “Company”) (NYSE: MPLN), formerly known as MultiPlan, a technology, data and insights company focused on making healthcare more affordable, transparent and fair for

The New Second-Out First Lien B Notes Indenture, dated as of January 30, 2025, by and among MPH Acquisition Holdings LLC, the guarantors party thereto and Wilmington Trust, National Association, as trustee and notes collateral agent

Exhibit 4.6 Execution Version INDENTURE Dated as of January 30, 2025 Between MPH ACQUISITION HOLDINGS LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 5.75% FIRST LIEN NOTES DUE 2030 TABLE OF CONTENTS Page Article 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Section 1.02 Other Def

The New Second-Out First Lien A Notes Indenture, dated as of January 30, 2025, by and among MPH Acquisition Holdings LLC, the guarantors party thereto and Wilmington Trust, National Association, as trustee and notes collateral agent

Exhibit 4.4 Execution Version INDENTURE Dated as of January 30, 2025 Between MPH ACQUISITION HOLDINGS LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 6.50% CASH & 5.00% PIK FIRST LIEN NOTES DUE 2030 TABLE OF CONTENTS Page Article 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Secti

Super Senior Credit Agreement, dated as of January 30, 2025, by and among MPH Acquisition Corp 1, a Delaware corporation, MPH Acquisition Holdings LLC, the Co-Obligors from time to time party thereto, the financial institutions from time to time party thereto as lenders, the Letter of Credit Issuers from time to time party thereto and Goldman Sachs Lending Partners LLC, as the Administrative Agent, Collateral Agent and Swingline Lender

Exhibit 10.1 Execution Version SUPER SENIOR CREDIT AGREEMENT dated as of January 30, 2025, among MPH ACQUISITION CORP 1, as Holdings, MPH ACQUISITION HOLDINGS LLC, as the Borrower, THE CO-OBLIGORS FROM TIME TO TIME PARTY HERETO, THE SEVERAL LENDERS FROM TIME TO TIME PARTY HERETO, and GOLDMAN SACHS LENDING PARTNERS LLC, as Administrative Agent, Collateral Agent, Swingline Lender and a Letter of Cre

The Convertible Notes Supplemental Indenture, dated as of January 30, 2025, by and between MultiPlan Corporation, the guarantors party thereto and Wilmington Trust, National Association

Exhibit 4.3 SECOND SUPPLEMENTAL INDENTURE Dated as of January 30, 2025 to INDENTURE Dated as of October 8, 2020 Between MULTIPLAN CORPORATION as Issuer, POLARIS INTERMEDIATE CORP. as Guarantor and WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee 6.00% / 7.00% CONVERTIBLE SENIOR PIK TOGGLE NOTES DUE 2027 SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of January 30, 2025, b

The New Third-Out First Lien A Notes Indenture, dated as of January 30, 2025, by and among MPH Acquisition Holdings LLC, the guarantors party thereto and Wilmington Trust, National Association, as trustee and notes collateral agent

Exhibit 4.8 INDENTURE Dated as of January 30, 2025 Between MPH ACQUISITION HOLDINGS LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 6.00% CASH & 0.75% PIK FIRST LIEN NOTES DUE 2031 TABLE OF CONTENTS Page Article 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Section 1.02 Other Defi

The Unsecured Notes Supplemental Indenture, dated as of January 30, 2025, by and between MPH Acquisition Holdings LLC and Wilmington Trust, National Association

Exhibit 4.2 SECOND SUPPLEMENTAL INDENTURE Dated as of January 30, 2025 to INDENTURE Dated as of October 29, 2020 Between MPH ACQUISITION HOLDINGS LLC and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee 5.750% SENIOR NOTES DUE 2028 SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of January 30, 2025, among MPH Acquisition Holdings LLC, a Delaware limited liability company

Amendment Agreement No. 2, dated as of January 30, 2025, to the Credit Agreement, dated as of August 24, 2021, by and among MPH Acquisition Corp. 1, MPH Acquisition Holdings LLC, the Co-Obligors from time to time party thereto, the Lenders and Letter of Credit Issuers from time to time party thereto, and Goldman Sachs Lending Partners LLC, as the Administrative Agent, Collateral Agent, Swingline Lender and a Letter of Credit Issuer

Exhibit 10.2 Execution Version AMENDMENT AGREEMENT NO. 2, CONSENT AND WAIVER AMENDMENT AGREEMENT NO. 2, Consent and Waiver, dated as of January 30, 2025 (this “Amendment Agreement”), by and among MPH ACQUISITION HOLDINGS LLC, a Delaware limited liability company (the “Borrower”), MPH ACQUISITION CORP 1, a Delaware corporation (“Holdings”), the Lenders listed on the signature pages hereto constitut

the guarantors party thereto and Wilmington Trust, National Association, as trustee and notes collateral agent

Exhibit 4.10 Execution Version INDENTURE Dated as of January 30, 2025 Between MULTIPLAN CORPORATION THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 6.00% CASH & 0.75% PIK FIRST LIEN NOTES DUE 2031 TABLE OF CONTENTS Page Article 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Section 1.02

The Secured Notes Supplemental Indenture, dated as of January 30, 2025, by and between MPH Acquisition Holdings LLC and Wilmington Trust, National Association

Exhibit 4.1 SECOND SUPPLEMENTAL INDENTURE Dated as of January 30, 2025 to INDENTURE Dated as of August 24, 2021 Between MPH ACQUISITION HOLDINGS LLC and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 5.50% SENIOR SECURED NOTES DUE 2028 SECOND SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of January 30, 2025, among MPH Acquisition Holdings LLC, a

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 30, 2025 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MultiPlan Announces Expiration and Results of Exchange Offers and Consent Solicitations for Outstanding Notes and Term Loans with Over 99% Participation of Existing Noteholders and Lenders

EXHIBIT 99.1 EASE MultiPlan Announces Expiration and Results of Exchange Offers and Consent Solicitations for Outstanding Notes and Term Loans with Over 99% Participation of Existing Noteholders and Lenders NEW YORK, NY — January 27, 2025 — MultiPlan Corporation (NYSE: MPLN) (“MultiPlan” or the “Company”), a leading provider of technology and data solutions focused on cost management, improving qu

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2025 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G. Each of them is responsible for the timely filing of such

Exhibit 1 In accordance with Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that they are jointly filing this statement on Schedule 13G.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 31, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

, 2024, between Multiplan Corporation and Dale White.

EXHIBIT 10.1 December 31, 2024 By Email Mr. Dale White Dale: The purpose of this letter is to further formalize our agreement with respect to your termination of employment with MultiPlan Corporation (“MultiPlan”), and your transition to the role of Senior Advisor. Reference is made to your Employment Agreement with MultiPlan, effective as of January 31, 2022 (the “Employment Agreement”) and that

MultiPlan Announces Commencement of Exchange Offers and Consent Solicitations for Outstanding Notes

Exhibit 99.2 MultiPlan Announces Commencement of Exchange Offers and Consent Solicitations for Outstanding Notes NEW YORK, NY — December 24, 2024 — MultiPlan Corporation (NYSE: MPLN) (“MultiPlan” or the “Company”), a leading provider of technology and data solutions focused on cost management, improving quality and transparency in healthcare, today announced a comprehensive refinancing to extend t

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 23, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

, MPH Acquisition Holdings LLC, and their subsidiaries and affiliates, certain ad hoc groups of noteholders and lenders party thereto, and other lenders party thereto

  Exhibit 10.1   Execution Version   THIS TRANSACTION SUPPORT AGREEMENT AND THE TRANSACTION TERM SHEET ATTACHED TO THIS TRANSACTION SUPPORT AGREEMENT COLLECTIVELY DESCRIBE A PROPOSED RECAPITALIZATION OF MULTIPLAN CORPORATION, A DELAWARE CORPORATION, AND CERTAIN OF ITS SUBSIDIARIES AND AFFILIATES ON THE TERMS AND CONDITIONS SET FORTH ON EXHIBIT A ATTACHED TO THIS TRANSACTION SUPPORT AGREEMENT.   TH

MultiPlan Announces Comprehensive Refinancing

Exhibit 99.1 MultiPlan Announces Comprehensive Refinancing · Maturities extended for entire debt capital structure, with earliest funded maturity in 2030 and remainder in 2031 · Refinancing enables continued investment in the business to support Vision 2030 transformation plan · Broad based support from investors with participation from certain ad hoc groups of noteholders and lenders through a Tr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2024 o TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2024 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 5, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MultiPlan Reports Third Quarter 2024 Results and Updates 2024 Guidance

EXHIBIT 99.1 E MultiPlan Reports Third Quarter 2024 Results and Updates 2024 Guidance –Q3 2024 Revenues of $230.5 million, Net Loss of $391.5 million (including a $361.6 million impairment of goodwill and indefinite-lived intangibles), and Adjusted EBITDA of $141.6 million –Identified potential medical cost savings of approximately $6.4 billion in Q3 2024, up 10% from Q3 2023 and up 3% from Q2 202

MultiPlan Corporation’s Reverse Stock Split Becomes Effective MultiPlan Common Stock to Begin Trading on a Split-Adjusted Basis on September 23, 2024

EXHIBIT 99.1 MultiPlan Corporation’s Reverse Stock Split Becomes Effective MultiPlan Common Stock to Begin Trading on a Split-Adjusted Basis on September 23, 2024 NEW YORK, NY – September 20, 2024 – MultiPlan Corporation (“MultiPlan” or the “Company”) (NYSE: MPLN), a leading provider of technology and data-enabled cost management, payment, and revenue integrity solutions to the U.S. health care in

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 20, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commissio

Amended and Restated Certificate of Incorporation of MultiPlan Corporation filed September 20, 2024.

EXHIBIT 3.1 CERTIFICATE OF AMENDMENT TO THE SECOND AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF MULTIPLAN CORPORATION MultiPlan Corporation, a corporation organized and existing under the laws of the State of Delaware (the “Corporation”), pursuant to the General Corporation Law of the State of Delaware (the “DGCL”), does hereby certify as follows: 1.That Article IV of the Seconded Amended

Financial Statements and Exhibits, Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 9, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 10, 2024 MultiPlan Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 10, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commissio

MultiPlan Corporation Announces Effective Date of Reverse Stock Split MultiPlan Common Stock Expected to Begin Trading on a Split-adjusted Basis on September 23, 2024

EXHIBIT 99.1 EASE MultiPlan Corporation Announces Effective Date of Reverse Stock Split MultiPlan Common Stock Expected to Begin Trading on a Split-adjusted Basis on September 23, 2024 NEW YORK, NY – September 10, 2024 – MultiPlan Corporation (“MultiPlan” or the “Company”) (NYSE: MPLN), a leading provider of technology and data-enabled cost management, payment, and revenue integrity solutions to t

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Filing Fee Table

Calculation of Filing Fee Tables S-8 MultiPlan Corp Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Class A Common Stock Other 10,401,959 $ 0.

As filed with the Securities and Exchange Commission on August 5, 2024

As filed with the Securities and Exchange Commission on August 5, 2024 Registration No.

As filed with the Securities and Exchange Commission on August 5, 2024

As filed with the Securities and Exchange Commission on August 5, 2024 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2024 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2024 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MULT

Employment Agreement, dated August 1, 2024, between MultiPlan Corporation and Douglas Garis.

EXHIBIT 10.2 Employment Agreement This Employment Agreement (the “Agreement”) is made effective as of July 31, 2024, by and between MultiPlan Corporation, a Delaware corporation (together with any successor thereto, the “Company”), and Douglas Garis (the “Executive”). RECITALS A.The Company desires to employ the Executive and to enter into this Agreement embodying the terms of such employment. B.T

MultiPlan Announces CFO Transition

EXHIBIT 99.1 MultiPlan Announces CFO Transition NEW YORK, NY — August 1, 2024 — MultiPlan Corporation (“MultiPlan” or the “Company”) (NYSE: MPLN), a leading value-added provider of data analytics and technology-enabled end-to-end cost management, as well as payment and revenue integrity solutions to the U.S. healthcare industry, announced today its CFO transition plan and named Doug Garis as EVP a

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

1, 2024, between MultiPlan Corporation and James Head.

Exhibit 10.1 July 31, 2024 By Email Mr. James M. Head Jim: The purpose of this letter is to formalize our agreement with respect to the transition plan we previously discussed, including the economic arrangements that we have agreed to with respect to the transition. Capitalized terms not defined herein shall have the meaning as set forth in your Employment Agreement with MultiPlan Corporation (“M

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 1, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

MultiPlan Reports Second Quarter 2024 Results and Updates 2024 Guidance

EXHIBIT 99.1 EASE MultiPlan Reports Second Quarter 2024 Results and Updates 2024 Guidance –Q2 2024 Revenues of $233.5 million, Net Loss of $576.7 million (including a $553.7 million impairment of goodwill), and Adjusted EBITDA of $146.7 million –Identified potential medical cost savings of approximately $6.2 billion in Q2 2024, up 9% from Q2 2023 and up 8% from Q1 2024 –CFO transition plan announc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defini

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: x Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defini

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2024 o TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2024 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MUL

Filing Fee Table

EXHIBIT 107 Calculation of Filing Fee Tables Form S-8 (Form Type) MultiPlan Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum offering Price Per Unit(2) Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Equity(1) Class A Common Stock Other 60,000,000 $ 0.

Offer Letter, dated November 29, 2022, by and between

EXHIBIT 10.1 November 29, 2022 Ms. Carol Nutter [Address] Sent via email to: [] Dear Carol, We are pleased to confirm our offer of employment with MultiPlan. We believe you have the experience and qualifications to contribute to our team. The position offered is Senior Vice President, Chief People Officer, reporting directly to me (Dale A. White, President/CEO). Your target start date will be a mu

As filed with the Securities and Exchange Commission on May 9, 2024

As filed with the Securities and Exchange Commission on May 9, 2024 Registration No.

MultiPlan Reports First Quarter 2024 Results

EXHIBIT 99.1 RELEASE MultiPlan Reports First Quarter 2024 Results –Q1 2024 Revenues of $234.5 million, Net Loss of $539.7 million (including a $519.1 million impairment of goodwill and indefinite-lived intangible assets), and Adjusted EBITDA of $146.8 million –Identified potential medical cost savings of approximately $5.7 billion in Q1 2024, up 3% from Q1 2023 and down 3% from Q4 2023 –Repurchase

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

Amendment No. 1 to 2020 Omnibus Incentive Plan.

Exhibit 10.1 AMENDMENT NO. 1 TO MULTIPLAN CORPORATION 2020 OMNIBUS INCENTIVE PLAN This Amendment No. 1 to MultiPlan Corporation 2020 Omnibus Incentive Plan (this “Amendment”), is effective as of the date the stockholders of MultiPlan Corporation (the “Company”) approve the Amendment. RECITALS WHEREAS, the Company maintains the 2020 Omnibus Incentive Plan (the “Plan”); WHEREAS, capitalized terms no

Regulation FD Disclosure, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

MultiPlan Corporation Receives Continued Listing Standard Notice from NYSE

EXHIBIT 99.1 MultiPlan Corporation Receives Continued Listing Standard Notice from NYSE •Company has six months to regain compliance with the minimum price criteria for continued listing on the NYSE •Company remains focused on executing its Growth Plan and on delivering results and shareholder value NEW YORK – March 29, 2024 – MultiPlan Corporation (NYSE: MPLN) (“MultiPlan” or the “Company”) annou

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defini

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 7, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

MultiPlan Appoints Jerry Hogge as Chief Operating Officer Hogge’s Growth-Driven Expertise Bolsters MultiPlan’s Next Phase of Growth and Innovation

EXHIBIT 99.1 MultiPlan Appoints Jerry Hogge as Chief Operating Officer Hogge’s Growth-Driven Expertise Bolsters MultiPlan’s Next Phase of Growth and Innovation NEW YORK – March 7, 2024 – MultiPlan Corporation (NYSE: MPLN) (“MultiPlan” or the “Company”), a leading value-added provider of data analytics and technology-enabled end-to-end cost management, as well as payment and revenue integrity solut

, by and between MultiPlan Corporation and

EXHIBIT 10.1 February 15, 2024 Mr. Jerome Hogge [address] [email] Dear Jerry, We are pleased to confirm our offer of employment with MultiPlan. We believe you have the experience and qualifications to contribute to our strategic goals, and we are excited to have you join our team. The position offered is EVP, Chief Operating Officer, reporting to Travis Dalton, President/CEO. Your target start dat

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) MultiPlan Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit(2) Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Equity(1) Common Stock Other 11,353,819 $1.

As filed with the Securities and Exchange Commission on March 1, 2024.

As filed with the Securities and Exchange Commission on March 1, 2024. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 83-3536151 (State or other jurisdiction of incorporation or organization) (I.R.S. Em

Form of Performance Unit Award Agreement under the 2020 Omnibus Incentive Plan.

EXHIBIT 10.17 MULTIPLAN CORPORATION PERFORMANCE-BASED RESTRICTED STOCK UNIT GRANT NOTICE MultiPlan Corporation, a Delaware corporation (the “Company”), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the “Plan”) hereby grants to the Participant set forth below the number of Performance-Based Restricted Stock Units set forth below (the “Awarded Unit

Consent of PricewaterhouseCoopers LLP

EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-271794 and 333-251250) and Form S-3 (Nos. 333-271974, 333-260783 and 333-249779) of MultiPlan Corporation of our report dated February 29, 2024 relating to the financial statements and the effectiveness of internal control ov

Full Year 2024 Guidance

ASE MultiPlan Reports Fourth Quarter and Full Year 2023 Results –Q4 2023 Revenues of $244.

Clawback policy.

EXHIBIT 97 MULTIPLAN CORPORATION INCENTIVE COMPENSATION CLAWBACK POLICY OVERVIEW The Compensation Committee (the “Committee”) of the Board of Directors (the “Board”) of MultiPlan Corporation (the “Company”) has adopted this Incentive Compensation Clawback Policy (the “Policy”) which requires the recoupment of certain incentive-based compensation in accordance with the terms herein and is intended to comply with Section 303A.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 29, 2024 MultiPlan Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 29, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

MPLN / MultiPlan Corporation / Klein Michael Stuart - SC 13G/A Passive Investment

SC 13G/A 1 tm246031d3sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* MultiPlan Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Titles of Class of Securities) 62548M100 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this St

MPLN / MultiPlan Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: MultiPlan Corp Class A Title of Class of Securities: Common Stock CUSIP Number: 62548M100 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

MPLN / MultiPlan Corporation / PUBLIC INVESTMENT FUND - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* MultiPlan Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 62548M100 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to desi

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange ("NYSE" or the "Exchange") hereby notifies the Securities and Exchange Commission (the "Commission") of its intention to remove the entire class of Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.

MultiPlan Announces CEO Succession Plan Transition Aligned with Company’s Growth Strategy and Next Phase of Product Innovation

Exhibit 99.1 MultiPlan Announces CEO Succession Plan Transition Aligned with Company’s Growth Strategy and Next Phase of Product Innovation New York – January 4, 2024 – MultiPlan Corporation (NYSE:MPLN) (“MultiPlan” or the “Company”), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.S. healthcare industry, announced that Travis D

Employment Agreement, dated December 28, 2023, between Multiplan Corporation and Travis Dalton.

Exhibit 10.3 Employment Agreement This Employment Agreement (the “Agreement”) is made effective as of December 28, 2023, by and between MultiPlan Corporation, a Delaware corporation (together with any successor thereto, the “Company”), and Travis Dalton (the “Executive”). RECITALS A.            The Company desires to employ the Executive and to enter into this Agreement embodying the terms of such

Letter Agreement, dated December 28, 2023, by and between

Exhibit 10.2 December 28, 2023 By Email Mr. Dale White Dale: The purpose of this letter is to formalize our agreement with respect to the leadership transition plan we previously discussed, including the economic arrangements that we have agreed to with respect to the transition. Specifically: · Your employment with MultiPlan Corporation (“MultiPlan”) as President and Chief Executive Officer will

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 28, 2023 MultiPlan Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 28, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Amendment No. 2 to Investor Rights Agreement, dated as of December 28, 2023, by and between

Exhibit 10.1 AMENDMENT NO. 2 TO INVESTOR RIGHTS AGREEMENT AMENDMENT NO. 2 TO INVESTOR RIGHTS AGREEMENT (this “Amendment”), entered into as of December 28, 2023, among (i) MultiPlan Corporation, a Delaware corporation (“PubCo”), (ii) Hellman & Friedman Capital Partners VIII, L.P., a Delaware limited partnership, in its capacity as the initial Seller Representative, (iii) Hellman & Friedman Capital

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2024 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2023 o TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2023 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

MultiPlan Reports Third Quarter 2023 Results

EXHIBIT 99.1 RELEASE MultiPlan Reports Third Quarter 2023 Results –Q3 2023 Revenues of $242.8 million, Net Loss of $24.1 million, and Adjusted EBITDA of $152.3 million –Identified potential medical cost savings of approximately $5.8 billion in Q3 2023, up 2% from Q2 2023 and up 7% from Q3 2022 –Repurchased an additional $46.1 million in face value of our 5.75% Senior Unsecured Notes in the open ma

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 4, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2023 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2023 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MULT

Amendment Agreement No. 1, dated as of June 15, 2023, to the Credit Agreement, dated as of August 24, 2021, by and among MPH Acquisition Corp. 1, MPH Acquisition Holdings LLC, the Co-Obligors from time to time party thereto, the Lenders and Letter of Credit Issuers from time to time party thereto, and Goldman Sachs Lending Partners LLC, as the Administrative Agent, Collateral Agent, Swingline Lender and a Letter of Credit Issuer.

EXHIBIT 10.1 AMENDMENT AGREEMENT NO. 1 AMENDMENT AGREEMENT NO. 1, dated as of June 15, 2023 (this “Amendment Agreement”), in respect of that certain Credit Agreement, dated as of August 24, 2021 (as in effect prior to giving effect to this Amendment Agreement, the “Credit Agreement” and the Credit Agreement as amended by this Amendment Agreement, the “Amended Credit Agreement”), among MPH ACQUISIT

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

MultiPlan Reports Second Quarter 2023 Results

EXHIBIT 99.1 RELEASE MultiPlan Reports Second Quarter 2023 Results –Q2 2023 Revenues of $238.0 million, Net Loss of $36.4 million, and Adjusted EBITDA of $152.7 million –Identified potential medical cost savings of approximately $5.7 billion in Q2 2023, up 2% from Q1 2023 –In Q2 2023, acquired Benefits Science Technologies, a leading data science company, and partnered with ECHO Health to offer a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 23, 2023 MultiPlan Corporati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 23, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

Up to 21,588,652 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-271974 Prospectus Up to 21,588,652 Shares of Class A Common Stock This prospectus relates to the resale by the selling securityholders referenced in this prospectus (the “Selling Securityholders”) of shares of Class A common stock, par value $0.0001 per share (the “common stock”), of MultiPlan Corporation (“MultiPlan” or the “Company”) as descr

Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP 2475 HANOVER STREET PALO ALTO, CA 94304 TELEPHONE: +1-650-251-5000 FACSIMILE: +1-650-251-5002 Direct Dial Number E-mail Address VIA EDGAR May 24, 2023 Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.

LETTER

United States securities and exchange commission logo May 24, 2023 Dale A. White Chief Executive Officer MultiPlan Corp 115 Fifth Avenue New York, NY 10003 Re: MultiPlan Corp Registration Statement on Form S-3 Filed May 16, 2023 File No. 333-271974 Dear Dale A. White: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461

Filing Fee Table

EX-FILING FEES 2 exhibit107-feetablecalcula.htm EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Tables Form S-3 (Form Type) MultiPlan Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule(1) Amount Registered(2) Proposed Maximum Offering Price Per Unit(1) Maximum Aggregat

As filed with the Securities and Exchange Commission on May 16, 2023

As filed with the Securities and Exchange Commission on May 16, 2023 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2023 o TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2023 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MUL

Filing Fee Table.

EXHIBIT 107 Calculation of Filing Fee Tables Form S-8 (Form Type) MultiPlan Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Titles Fee Calculation Rule Amount Registered(1) Proposed Maximum offering Price Per Unit(2) Maximum Aggregate Offering Price(2) Fee Rate Amount of Registration Fee Equity Class A Common Stock Other 20,000,000 $ 0.

Employee Stock Purchase Plan.

EXHIBIT 4.1 MULTIPLAN CORPORATION 2023 EMPLOYEE STOCK PURCHASE PLAN 1.Purpose. The purpose of the MultiPlan Corporation 2023 Employee Stock Purchase Plan is to advance the interests of the Company and its stockholders by providing an incentive to attract, retain and reward Eligible Employees by providing with them an opportunity to purchase Common Stock of the Company on terms that qualify the Pla

As filed with the Securities and Exchange Commission on May 10, 2023

As filed with the Securities and Exchange Commission on May 10, 2023 Registration No.

Unit Purchase Agreement, dated May 8, 2023, by and among MultiPlan Corporation, MultiPlan, Inc., Babylon Acquisition Corp., Benefits Science LLC, the Sellers listed therein and the Seller Representative identified therein.

EXHIBIT 2.1 UNIT PURCHASE AGREEMENT by and among BABYLON ACQUISITION CORP., BENEFITS SCIENCE LLC, MULTIPLAN CORPORATION, MULTIPLAN, INC. THE SELLERS LISTED ON THE SIGNATURE PAGES HERETO and THE SELLER REPRESENTATIVE IDENTIFIED HEREIN Dated as of May 8, 2023 |US-DOCS\140904150.6|| CONTENTS Page SECTION 1 DEFINITIONS AND INTERPRETATIONS 1 1.1 Certain Definitions 1 1.2 Interpretation 16 SECTION 2 PUR

MultiPlan Acquires Leading Healthcare Data and Analytics Firm Benefits Science LLC Ushers in a new era of the company, accelerates launch of new Data & Decision Science service line with a world-class data & analytics platform and team at BST

EXHIBIT 99.1 MultiPlan Acquires Leading Healthcare Data and Analytics Firm Benefits Science LLC Ushers in a new era of the company, accelerates launch of new Data & Decision Science service line with a world-class data & analytics platform and team at BST New York – May 9, 2023 – MultiPlan Corporation (NYSE: MPLN) (“MultiPlan” or the “Company”), a leading provider of technology and data-enabled co

UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS

EXHIBIT 99.3 UNAUDITED PRO FORMA COMBINED FINANCIAL STATEMENTS Introduction On May 8, 2023, MultiPlan completed the acquisition of Benefits Science LLC ("Benefits Science Technologies" or "BST"). MultiPlan acquired BST for aggregate consideration of $160.0 million paid at the closing of the Acquisition in the form of (i) cash consideration in an aggregate amount of approximately $140.8 million, su

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2023 MultiPlan Corporation

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

TABLE OF CONTENTS Pages Glossary Independent Auditors’ Report 3 Financial Statements Balance Sheets 5 Statements of Operations 6 Statements of Changes in Members’ Equity (Deficit) 7 Statements of Cash Flows 8 Notes to Financial Statements 9

EXHIBIT 99.2 BENEFITS SCIENCE LLC Financial Statements Years Ended December 31, 2022 and 2021 TABLE OF CONTENTS Pages Glossary Independent Auditors’ Report 3 Financial Statements Balance Sheets 5 Statements of Operations 6 Statements of Changes in Members’ Equity (Deficit) 7 Statements of Cash Flows 8 Notes to Financial Statements 9 Independent Auditors’ Report To the Members Benefits Science LLC

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

MultiPlan Reports First Quarter 2023 Results

EXHIBIT 99.1 RELEASE MultiPlan Reports First Quarter 2023 Results –Q1 2023 Revenues of $236.6 million, Net Income of $0.2 million, and Adjusted EBITDA of $156.3 million –Identified potential medical cost savings of approximately $5.6 billion in Q1 2023, up 3% from Q4 2022 –Repurchased an additional $137.8 million in face value of our 5.75% Senior Unsecured Notes and $5.7 million of shares of our c

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registra

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defini

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2023 MultiPlan Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

dated February 27, 2023, by and between MultiPlan Corporation and Jeffrey Doctoroff.

February 27, 2023 Jeffrey Doctoroff Via email: [] Dear Jeff, We are pleased to confirm your promotion to the position of Executive Vice President, General Counsel and Corporate Secretary, reporting to Dale White, President and Chief Executive Officer.

List of Subsidiaries

EXHIBIT 21.1 Subsidiaries Entity Jurisdiction Polaris Parent LLC Delaware Polaris Intermediate Corp. Delaware MPH Acquisition Corp Delaware DKL Insurance Company, Inc. Utah MPH Acquisition Holdings LLC Delaware MPH Intermediate Holding Company Delaware MultiPlan Holding Corporation Delaware MultiPlan, Inc. New York HST Acquisition Corp. Delaware HSTechnology Solutions, Inc. Delaware MARS Acquisiti

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

Code of Business Conduct and Ethics of MultiPlan Corporation, effective February 27, 2023

EXHIBIT 14.1 MultiPlan Code of Business Conduct and Ethics A Message from our Chief Executive Officer: MultiPlan is committed to conducting our business with integrity at all times. It’s a commitment that forms the foundation of our business success, maintains our culture of honesty and fair play throughout our operations, and sustains our company’s reputation for excellence. Our customers count o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2023 MultiPlan Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Full Year 2023 Guidance

EXHIBIT 99.1 EASE MultiPlan Reports Fourth Quarter and Full Year 2022 Results –Q4 2022 Revenues of $241.1 million, Net Loss of $650.1 million (including a $662.2 million impairment of goodwill and indefinite-lived intangible assets) and Adjusted EBITDA of $161.5 million –Full Year 2022 Revenues of $1,079.7 million, Net Loss of $572.9 million (including a $662.2 million impairment of goodwill and i

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2023 MultiPlan Corpo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 28, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MultiPlan Announces $100 Million Share Repurchase Program

EXHIBIT 99.2 MultiPlan Announces $100 Million Share Repurchase Program New York, NY (February 28, 2023) – MultiPlan Corporation (NYSE:MPLN) (“MultiPlan” or the “Company”), a leading provider of data analytics and technology-enabled end-to-end cost management, payment and revenue integrity solutions to the U.S. healthcare industry, today announced that its Board of Directors has approved a new shar

MPLN / MultiPlan Corporation / Klein Michael Stuart - SC 13G/A Passive Investment

SC 13G/A 1 tm236436d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* MultiPlan Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Titles of Class of Securities) 62548M100 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this St

IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE

Exhibit 99.1 IN THE COURT OF CHANCERY OF THE STATE OF DELAWARE IN RE MULTIPLAN CORP. C.A. No. 2023- VERIFIED PETITION FOR RELIEF PURSUANT TO 8 DEL. C. § 205 Petitioner MultiPlan Corp. (“MultiPlan” or the “Company”), by and through its undersigned counsel, brings this petition pursuant to 8 Del. C. § 205 (the “Petition”), seeking to have this Court validate potentially defective corporate acts desc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2023 MultiPlan Corpor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 9, 2023 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MPLN / MultiPlan Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Multiplan Corp. Title of Class of Securities: Common Stock CUSIP Number: 62548M100 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 4, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MultiPlan Corporation Announces Settlement of Delaware Litigation

Exhibit 99.1 MultiPlan Corporation Announces Settlement of Delaware Litigation November 17, 2022 ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management, payment and revenue integrity solutions to the U.S. healthcare industry, announced that the Company and certain current and former dire

Regulation FD Disclosure, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 17, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2022 o TRANSITION REPORT PURSUA

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2022 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

MULTIPLAN CORPORATION Unaudited Condensed Consolidated Balance Sheets (in thousands, except share and per share data)

Exhibit 99.1 RELEASE MultiPlan Reports Third Quarter 2022 Results and Updates 2022 Guidance ?Q3 2022 Revenues of $250.5 million, Net Income of $19.7 million, and Adjusted EBITDA of $172.2 million ?Decrease in Revenues of 13.1% over Q3 2021, driven by lower volumes and unfavorable mix of identified potential medical cost savings, predominantly the result of softer patient utilization of healthcare

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2022 o TRANSITION REPORT PURSUANT TO

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2022 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MULT

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fil

MultiPlan Reports Second Quarter 2022 Results

MultiPlan Reports Second Quarter 2022 Results ?Q2 2022 Revenues of $290.1 million, Net Income of $13.5 million, and Adjusted EBITDA of $209.6 million ?Growth in revenues of 5.0% over Q2 2021, driven by an increase in identified potential medical cost savings to approximately $5.5 billion in Q2 2022 NEW YORK, NY ? August 4, 2022 ? MultiPlan Corporation (?MultiPlan? or the ?Company?) (NYSE: MPLN), a

LETTER

United States securities and exchange commission logo May 18, 2022 Gerald Kozel Chief Accounting Officer MultiPlan Corp 115 Fifth Avenue New York, NY 10003 Re: MultiPlan Corp Form 10-K for Fiscal Year Ended December 31, 2021 File No.

JOINT FILING AGREEMENT PURSUANT TO RULE 13D-1(K)(1)

EX-A Exhibit A JOINT FILING AGREEMENT PURSUANT TO RULE 13D-1(K)(1) The undersigned acknowledge and agree that the Statement on Schedule 13D filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the shares of Class A Common Stock, par value $0.

MPLN / MultiPlan Corporation / Hellman & Friedman Investors VIII, L.P. - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* MULTIPLAN CORPORATION (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Title of Class of Securities) 62548M100 (CUSIP Number) Arrie R. Park Hellman & Friedman LLC 415 Mission Street, Suite 5700 San Francisco, California 94105

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

MultiPlan Reports First Quarter 2022 Results

Exhibit 99.1 RELEASE MultiPlan Reports First Quarter 2022 Results ?Q1 2022 Revenues of $298.0 million, Net Income of $44.0 million, and Adjusted EBITDA of $225.4 million ?Growth in revenues of 16.9% over Q1 2021, driven by an increase in identified potential medical cost savings to approximately $5.6 billion in Q1 2022 NEW YORK, NY ? May 10, 2022 ? MultiPlan Corporation (?MultiPlan? or the ?Compan

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2022 o TRANSITION REPORT PURSUANT T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2022 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MUL

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

Simpson Thacher & Bartlett LLP 2475 Hanover Street Palo Alto, CA 94304 Telephone: +1-650-251-5000 Facsimile: +1-650-251-5002 Direct Dial Number +1-650-251-5110 E-mail Address [email protected]

Simpson Thacher & Bartlett LLP 2475 Hanover Street Palo Alto, CA 94304 Telephone: +1-650-251-5000 Facsimile: +1-650-251-5002 Direct Dial Number +1-650-251-5110 E-mail Address wbrentani@stblaw.

LETTER

United States securities and exchange commission logo April 8, 2022 Gerald Kozel Chief Accounting Officer MultiPlan Corp 115 Fifth Avenue New York, NY 10003 Re: MultiPlan Corp Form 10-K for Fiscal Year Ended December 31, 2021 File No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) o Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) x Filed by the Registrant o Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: o Preliminary Proxy Statement o Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (MARK ONE) x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

Agreement and General Release, dated June 30, 2021 by and between MultiPlan, Inc. and Paul Galant

EXHIBIT 10.28 AGREEMENT AND GENERAL RELEASE MultiPlan, Inc., on behalf of itself and its subsidiaries, (?Employer?) and Paul Galant (?Employee?), Employee?s heirs, executors, administrators, successors, and assigns (collectively referred to throughout this Agreement as ?Employee?), agree that: 1.Last Day of Employment. Employee?s last day of employment with Employer was June 30, 2021 (the ?Separat

Offer Letter to Paul Galant, dated September 18, 2020

EXHIBIT 10.27 September 18, 2020 Mr. Paul Galant 1801 SE 10th Street Ft. Lauderdale, FL 33316 Dear Paul, We are pleased to confirm our offer of employment with MultiPlan. The position offered is President, New Markets, reporting to Mark Tabak, CEO. Your employment with MultiPlan is contingent upon MultiPlan?s pending transaction with Churchill Capital Ill Corp. closing, and your start date will be

List of Subsidiaries

EXHIBIT 21.1 Subsidiaries Entity Jurisdiction Polaris Parent LLC Delaware Polaris Intermediate Corp. Delaware MPH Acquisition Corp 1 Delaware DKL Insurance Company, Inc. Utah MPH Acquisition Holdings LLC Delaware MPH Intermediate Holding Company 1 Delaware MultiPlan Holding Corporation Delaware MultiPlan, Inc. New York HST Acquisition Corp. Delaware HSTechnology Solutions, Inc. Delaware MARS Acqui

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Full Year 2022 Guidance

EXHIBIT 99.1 RELEASE MultiPlan Reports Record Fourth Quarter and Full Year 2021 Results ?Q4 2021 Revenues of $298.3 million, Net Income of $24.9 million and Adjusted EBITDA of $223.6 million ?Full Year 2021 Revenues of $1,117.6 million, Net Income of $102.1 million and Adjusted EBITDA of $838.3 million ?Growth driven by increased volumes and strong savings performance across all lines of business

MPLN / MultiPlan Corporation / Klein Michael Stuart - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A (Amendment No. 1)* Under the Securities Exchange Act of 1934 MultiPlan Corporation (Name of Issuer) Class A Common Stock, par value $0.0001 per share (Titles of Class of Securities) 62548M100 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

MPLN / MultiPlan Corporation / GIC Private Ltd - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) * MultiPlan Corporation (Name of Issuer) Shares of Class A Common Stock, $0.0001 par value per share (Title of Class of Securities) 62548M100 (CUSIP Number) December 31, 2021 (Date of the Event Which Requires Filing of this Statement) Check the appropriat

Joint Filing Agreement

Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the U.

MPLN / MultiPlan Corporation / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Multiplan Corp. Title of Class of Securities: Common Stock CUSIP Number: 62548M100 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(b) ☐ Rule 13

Amendment No. 1 to Investors Rights Agreement dated as of January 31, 2022, by and between MultiPlan Corporation and the other parties thereto.

Exhibit 10.2 AMENDMENT NO. 1 TO INVESTOR RIGHTS AGREEMENT AMENDMENT NO. 1 TO INVESTOR RIGHTS AGREEMENT (this ?Amendment?), entered into as of , 2022, among (i) MultiPlan Corporation, a Delaware corporation (?PubCo?), (ii) Hellman & Friedman Capital Partners VIII, L.P., a Delaware limited partnership, in its capacity as the initial Seller Representative, (iii) Churchill Sponsor III LLC, a Delaware

MultiPlan Completes Successful CEO Transition to Dale White

Exhibit 99.1 MultiPlan Completes Successful CEO Transition to Dale White NEW YORK, NY (January 31, 2022) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.S. healthcare industry, today announced that Dale White will assume the title of Chief Executive Officer on F

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 31, 2022 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Employment Agreement dated January 31, 2022, by and between Multiplan Corporation and Dale White.

Exhibit 10.1 Employment Agreement This Employment Agreement (the ?Agreement?) is made effective as of January 31, 2022 (the ?Effective Time?), by and between MultiPlan Corporation, a Delaware corporation (together with any successor thereto, the ?Company?), and Dale White (the ?Executive?). RECITALS A.MultiPlan, Inc., Polaris Investment Holdings, L.P., and the Executive are parties to an amend and

Form of Stock Award Agreement under the 2020 Omnibus Incentive Plan.

Exhibit 10.3 Stock Award Form STOCK AWARD AGREEMENT UNDER THE MULTIPLAN CORPORATION 2020 OMNIBUS INCENTIVE PLAN MultiPlan Corporation, a Delaware corporation (the ?Company?), pursuant to its 2020 Omnibus Incentive Plan, as it may be amended and restated from time to time (the ?Plan?), hereby grants to [?] (the ?Participant?) [?] shares of Common Stock (the ?Awarded Shares?), effective as of [?], 2

130,000,000 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-260783 Prospectus 130,000,000 Shares of Class A Common Stock This prospectus relates to the offer and resale from time to time by the selling securityholders named in this prospectus or in supplements to this prospectus (the ?Selling Securityholders?), or their permitted transferees, of up to 130,000,000 shares of our Class A common stock, par

December 8, 2021

December 8, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

Simpson Thacher & Bartlett LLP 2475 Hanover Street Palo Alto, CA 94304 Telephone: +1-650-251-5000 Facsimile: +1-650-251-5002

Simpson Thacher & Bartlett LLP 2475 Hanover Street Palo Alto, CA 94304 Telephone: +1-650-251-5000 Facsimile: +1-650-251-5002 Direct Dial Number +1-650-251-5110 E-mail Address wbrentani@stblaw.

As filed with the Securities and Exchange Commission on December 8, 2021

As filed with the Securities and Exchange Commission on December 8, 2021 Registration No.

December 8, 2021

December 8, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

As filed with the Securities and Exchange Commission on December 3, 2021

As filed with the Securities and Exchange Commission on December 3, 2021 Registration No.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

MultiPlan Appoints Jim Head as New CFO Morgan Stanley, BDT & Company veteran brings strategic finance, healthcare, and business development experience to the MultiPlan executive leadership team

Exhibit 99.1 MultiPlan Appoints Jim Head as New CFO Morgan Stanley, BDT & Company veteran brings strategic finance, healthcare, and business development experience to the MultiPlan executive leadership team NEW YORK (November 16, 2021) ? MultiPlan Corporation (NYSE:MPLN), a leading provider of data analytics and technology-enabled cost management, and payment and revenue integrity solutions to the

Employment Agreement dated November 15, 2021, by and between Multiplan Corporation and James Head.

Exhibit 10.1 Execution Version Employment Agreement This Employment Agreement (the ?Agreement?) is made as of November 15, 2021, by and between MultiPlan Corporation, a Delaware corporation (together with any successor thereto, the ?Company?), and James Head (the ?Executive?). RECITALS A.It is the desire of the Company to employ the Executive and enter into this Agreement embodying the terms of su

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 15, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Filed Pursuant to Rule 424(b)(3) Registration No. 333-249779 Prospectus 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus relates to (a) 415,700,000 shares of Class A common stock, par value $0.0001 per share (?Class A common stock?), issued in connection with the Mergers (as defined below), (b) 132,050,000 shares of Class A common stoc

MultiPlan Corporation Releases Stockholder Update

Exhibit 99.1 MultiPlan Corporation Releases Stockholder Update NEW YORK, NY (November 15, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.S. healthcare industry, today releases a letter to its Stockholders on its website. To Our Stockholders: As you know,

LETTER

United States securities and exchange commission logo November 12, 2021 Jeffrey Doctoroff General Counsel MultiPlan Corp 115 Fifth Avenue New York, New York 10003 Re: MultiPlan Corp Registration Statement on Form S-3 Filed on November 4, 2021 File No.

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(3) ?Registration No. 333-249779 Prospectus Supplement No. 7 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (the ?Prospectus?), related

As filed with the Securities and Exchange Commission on November 4, 2021

As filed with the Securities and Exchange Commission on November 4, 2021 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2021 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228

As filed with the Securities and Exchange Commission on November 4, 2021

As filed with the Securities and Exchange Commission on November 4, 2021 Registration No.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 3, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission

Prior FY 2021 Guidance

RELEASE MultiPlan Reports Third Quarter 2021 Results and Updates 2021 Guidance ?Q3 2021 Revenues of $288.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 6, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 27, 2021 MultiPlan Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 27, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

MultiPlan Announces $250 Million Share Repurchase Program

MultiPlan Announces $250 Million Share Repurchase Program NEW YORK, NY (August 27, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Filed Pursuant to Rule 424(b)(3) ?Registration No. 333-249779 Prospectus Supplement No. 6 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (as amended or supplemented through the date

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Filed Pursuant to Rule 424(b)(3)  Registration No. 333-249779 Prospectus Supplement No. 5 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (as amended or supplemented through the date

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 24, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

enture, dated as of August 24, 2021, by and among MPH Acquisition Holdings LLC, the guarantors party thereto and Wilmington Trust, National Association

Exhibit 4.1 EXECUTION COPY INDENTURE Dated as of August 24, 2021 Between MPH ACQUISITION HOLDINGS LLC, THE GUARANTORS NAMED ON THE SIGNATURE PAGES HERETO and WILMINGTON TRUST, NATIONAL ASSOCIATION, as Trustee and as Notes Collateral Agent 5.50% SENIOR SECURED NOTES DUE 2028 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.01 Definitions. 1 Section 1.02 Other

Agreement, dated as of August 24, 2021, by and among MPH Acquisition Corp. 1, MPH Acquisition Holdings LLC, the Co-Obligors from time to time party thereto, the Lenders and Letter of Credit Issuers from time to time party thereto and Goldman Sachs Lending Partners LLC, as the Administrative Agent, Collateral Agent, Swingline Lender and Letter of Credit Issuer

Exhibit 10.1 EXECUTION VERSION CREDIT AGREEMENT dated as of August 24, 2021, among MPH ACQUISITION CORP 1, as Holdings, MPH ACQUISITION HOLDINGS LLC, as the Borrower, THE CO-OBLIGORS FROM TIME TO TIME PARTY HERETO, THE SEVERAL LENDERS FROM TIME TO TIME PARTY HERETO, and GOLDMAN SACHS LENDING PARTNERS LLC, as Administrative Agent, Collateral Agent, Swingline Lender and a Letter of Credit Issuer, ??

Purchase Agreement, dated August 17, 2021, among MPH Acquisition Holdings LLC, the guarantors named therein and Goldman Sachs & Co. LLC., as representative of the several

Exhibit 10.1 EXECUTION COPY $1,050,000,000 MPH ACQUISITION HOLDINGS LLC 5.50% Senior Secured Notes due 2028 Purchase Agreement August 17, 2021 Goldman Sachs & Co. LLC, as Representative of the Initial Purchasers c/o Goldman Sachs & Co. LLC 200 West Street New York, NY 10282 Ladies and Gentlemen: MPH Acquisition Holdings LLC, a Delaware limited liability company (the ?Issuer?), proposes to issue an

MultiPlan Corporation Announces Upsizing and Pricing of Offering of $1.05 Billion of Senior Secured Notes

Exhibit 99.1 MultiPlan Corporation Announces Upsizing and Pricing of Offering of $1.05 Billion of Senior Secured Notes NEW YORK, N.Y. (August 17, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?) today announced that its indirect wholly owned subsidiary, MPH Acquisition Holdings LLC (the ?Issuer?), priced its offering of $1.05 billion in aggregate principal amount of 5.50% s

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Filed Pursuant to Rule 424(b)(3)  Registration No. 333-249779 Prospectus Supplement No. 4 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (as amended or supplemented through the date

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 17, 2021 MultiPlan Corpora

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 17, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 16, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission F

MultiPlan Corporation Announces Offering of Senior Secured Notes

Exhibit 99.1 MultiPlan Corporation Announces Offering of Senior Secured Notes NEW YORK, N.Y. (August 16, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?) today announced that its indirect wholly owned subsidiary, MPH Acquisition Holdings LLC (the ?Issuer?), intends to offer up to $775.0 million in aggregate principal amount of senior secured notes (the ?Notes?), subject to

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2021 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MULT

Side Letter between David L. Redmond and MultiPlan, Inc., effective August 4, 2021, amending the Amended and Restated Employment Agreement by and between Mr. Redmond, MultiPlan, Inc. and Polaris Investment Holdings, L.P.

EXHIBIT 10.2 Execution Version [MULTIPLAN, INC. LETTERHEAD] August 4, 2021 David L. Redmond [ADDRESS] [ADDRESS] Dear David: Reference is made to that certain Amended and Restated Employment Agreement by and between you (the ?Executive?), MultiPlan, Inc., a New York corporation (together with any successor thereto, the ?Company?), Polaris Investment Holdings, L.P., a Delaware limited partnership (?

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Filed Pursuant to Rule 424(b)(3) ?Registration No. 333-249779 Prospectus Supplement No. 2 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (as amended or supplemented through the date

MultiPlan Announces Executive Leadership Transitions

EXHIBIT 99.1 MultiPlan Announces Executive Leadership Transitions NEW YORK, NY (August 5, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.S. healthcare industry, today announced that long-time MultiPlan executive Dale White, currently President of Payor Ma

Side Letter between Mark H. Tabak and MultiPlan, Inc., effective August 4, 2021, amending the Amended and Restated Employment Agreement by and between Mr. Tabak, MultiPlan, Inc. and Polaris Investment Holdings, L.P.

EXHIBIT 10.1 Execution Version [MULTIPLAN, INC. LETTERHEAD] August 4, 2021 Mark H. Tabak [ADDRESS] [ADDRESS] Dear Mark: Reference is made to that certain Amended and Restated Employment Agreement by and between you (the ?Executive?), MultiPlan, Inc., a New York corporation (together with any successor thereto, the ?Company?), Polaris Investment Holdings, L.P., a Delaware limited partnership (?Hold

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(3) ?Registration No. 333-249779 Prospectus Supplement No. 3 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (the ?Prospectus?), related

Prior FY 2021 Guidance

EX-99.1 2 exhibit991-q22021.htm EX-99.1 RELEASE MultiPlan Reports Second Quarter 2021 Results and Updates 2021 Guidance –Q2 2021 Revenues of $276.3 million –Q2 2021 Net Loss of $46.9 million –Q2 2021 Adjusted EBITDA of $205.3 million –Full Year 2021 Revenue guidance of $1.09 billion to $1.13 billion –Full Year 2021 Adjusted EBITDA guidance of $810 million to $835 million –Q3 2021 Revenue guidance

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 5, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission Fi

MultiPlan Corporation Responds to Investor Concerns and Announces Second Quarter 2021 Earnings Conference Call Reaffirms FY 2021 Guidance

MultiPlan Corporation Responds to Investor Concerns and Announces Second Quarter 2021 Earnings Conference Call Reaffirms FY 2021 Guidance NEW YORK, NY (July 9, 2021) ? MultiPlan Corporation (NYSE:MPLN) (?MultiPlan? or the ?Company?), a leading value-added provider of data analytics and technology-enabled end-to-end cost management solutions to the U.

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 27, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2021 o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39228 MUL

633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(3) ?Registration No. 333-249779 Prospectus Supplement No. 1 (to prospectus dated March 29, 2021) 633,750,000 Shares of Class A Common Stock 24,500,000 Warrants to Purchase Class A Common Stock This prospectus supplement is being filed to update and supplement the information contained in the prospectus dated March 29, 2021 (the ?Prospectus?), related

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2021 MultiPlan Corporation (Exact name of registrant as specified in its charter) Delaware 001-39228 84-3536151 (State or other jurisdiction of incorporation) (Commission File

MULTIPLAN CORPORATION Unaudited Condensed Consolidated Balance Sheets (in thousands, except share and per share data)

RELEASE MultiPlan Reports First Quarter 2021 Results and Provides 2021 Guidance ?Q1 2021 Revenues of $254.

- DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by the Registrant ? Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: ? Preliminary Proxy Statement ? Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Defin

- DEFINITIVE PROXY STATEMENT

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- DEFINITIVE PROXY STATEMENT

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ? Filed by the Registrant ? Filed by a Party other than the Registrant CHECK THE APPROPRIATE BOX: ? Preliminary Proxy Statement ? Confidential, For Use of the Commission Only (as permitted by Rule 14