MARA Holdings, Inc.
US ˙ NasdaqCM ˙ US5657881067

SecurityMARA / MARA Holdings, Inc.
InsiderFrederick G Thiel
This page shows the track record and history of Thiel Frederick G insider trades in MARA Holdings, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Frederick G Thiel in MARA / MARA Holdings, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2022-12-16 5,000 3.8200 5,000 3.8200 19,100 209 19.3000 77,400 405.24

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MARA / MARA Holdings, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Frederick G Thiel in MARA / MARA Holdings, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2021-02-12 2,000 39.1900 2,000 39.1900 78,380 90 19.66 -39,060 -49.83
2020-12-15 5,000 6.5000 5,000 6.5000 32,500

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MARA / MARA Holdings, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2026-05-20 2026-05-18 4 Thiel Frederick G MARA Common Stock S - Sale D 12.0000 -27,505 -330 4,589,514
2026-05-20 2026-05-18 4 Thiel Frederick G MARA Common Stock F - Taxes D 11.4600 -27,316 -313 4,617,019
2026-05-04 2026-04-30 4 Thiel Frederick G MARA Common Stock F - Taxes D 11.9900 -80,884 -970 4,644,335
2026-04-21 2026-04-17 4 Thiel Frederick G MARA Common Stock S - Sale D 11.6800 -27,505 -321 4,725,219
2026-04-03 2026-04-01 4 Thiel Frederick G MARA Common Stock F - Taxes D 8.1600 -36,230 -296 4,752,724
2026-03-19 2026-03-17 4 Thiel Frederick G MARA Common Stock S - Sale D 9.1800 -27,505 -252 4,788,954
2026-02-24 2026-02-20 4 Thiel Frederick G MARA Common Stock F - Taxes D 7.5000 -91,356 -685 4,816,459
2026-02-20 2026-02-20 4 Thiel Frederick G MARA Common Stock A - Award D 752,093 4,907,815
2026-02-19 2026-02-18 4 Thiel Frederick G MARA Common Stock A - Award D 773,861 4,155,722
2026-02-19 2026-02-17 4 Thiel Frederick G MARA Common Stock S - Sale D 7.6600 -27,505 -211 3,381,861
2026-02-06 2026-02-05 4 Thiel Frederick G MARA Common Stock F - Taxes D 9.1200 -67,704 -617 3,409,366
2026-02-03 2026-01-30 4 Thiel Frederick G MARA Common Stock F - Taxes D 9.5000 -40,496 -385 3,477,070
2026-01-22 2026-01-20 4 Thiel Frederick G MARA Common Stock S - Sale D 10.8000 -27,505 -297 3,517,566
2026-01-09 2026-01-08 4 Thiel Frederick G MARA Common Stock F - Taxes D 8.9800 -10,418 -94 3,545,071
2025-12-19 2025-12-17 4 Thiel Frederick G MARA Common Stock S - Sale D 10.7700 -27,505 -296 3,555,489
2025-11-19 2025-11-17 4 Thiel Frederick G MARA Common Stock S - Sale D 11.9900 -27,505 -330 3,582,994
2025-11-10 2025-11-06 4 Thiel Frederick G MARA Common Stock F - Taxes D 17.8100 -27,316 -486 3,610,499
2025-11-04 2025-11-03 4 Thiel Frederick G MARA Common Stock F - Taxes D 18.2700 -40,388 -738 3,637,815
2025-11-04 2025-10-31 4 Thiel Frederick G MARA Common Stock F - Taxes D 17.7600 -40,497 -719 3,678,203
2025-10-20 2025-10-17 4 Thiel Frederick G MARA Common Stock S - Sale D 19.5700 -27,505 -538 3,718,700
2025-10-03 2025-10-01 4 Thiel Frederick G MARA Common Stock F - Taxes D 18.2600 -9,584 -175 3,746,205
2025-09-18 2025-09-17 4 Thiel Frederick G MARA Common Stock S - Sale D 17.3800 -27,505 -478 3,755,789
2025-09-18 2025-09-16 4 Thiel Frederick G MARA Common Stock S - Sale D 16.3500 -27,505 -450 3,783,294
2025-08-19 2025-08-18 4 Thiel Frederick G MARA Common Stock S - Sale D 15.2800 -27,505 -420 3,810,799
2025-08-08 2025-08-06 4 Thiel Frederick G MARA Common Stock F - Taxes D 15.5000 -27,316 -423 3,838,304
2025-08-08 2025-08-06 4 Thiel Frederick G MARA Common Stock F - Taxes D 16.0800 -40,388 -649 3,865,620
2025-08-08 2025-08-06 4 Thiel Frederick G MARA Common Stock F - Taxes D 16.5500 -40,496 -670 3,906,008
2025-07-18 2025-07-16 4 Thiel Frederick G MARA Common Stock S - Sale D 19.5200 -27,505 -537 3,946,504
2025-07-11 2025-07-09 4 Thiel Frederick G MARA Common Stock F - Taxes D 15.6800 -9,584 -150 3,974,009
2025-06-18 2025-06-16 4 Thiel Frederick G MARA Common Stock S - Sale D 15.3000 -27,505 -421 3,983,593
2025-05-20 2025-05-16 4 Thiel Frederick G MARA Common Stock S - Sale D 15.6800 -27,505 -431 4,011,098
2025-05-20 2025-05-16 4 Thiel Frederick G MARA Common Stock F - Taxes D 14.0500 -27,316 -384 4,038,603
2025-05-20 2025-05-16 4 Thiel Frederick G MARA Common Stock F - Taxes D 13.3700 -80,885 -1,081 4,065,919
2025-05-13 2025-05-09 4 Thiel Frederick G MARA Common Stock S - Sale D 15.0000 -55,010 -825 4,146,804
2025-04-10 2025-04-08 4 Thiel Frederick G MARA Common Stock F - Taxes D 13.9200 -49,291 -686 4,201,814
2025-04-10 2025-04-08 4 Thiel Frederick G MARA Common Stock F - Taxes D 11.5000 -9,584 -110 4,251,105
2025-03-04 2025-02-28 4 Thiel Frederick G MARA Common Stock F - Taxes D 17.9500 -27,316 -490 4,260,689
2025-03-04 2025-02-28 4 Thiel Frederick G MARA Common Stock F - Taxes D 18.3400 -40,388 -741 4,288,005
2025-02-28 2025-02-28 4 Thiel Frederick G MARA Common Stock A - Award D 417,550 4,328,393
2025-02-20 2025-02-18 4 Thiel Frederick G MARA Common Stock S - Sale D 16.6800 -27,505 -459 3,910,843
2025-02-05 2025-02-03 4 Thiel Frederick G MARA Common Stock F - Taxes D 19.5600 -162,237 -3,173 3,938,348
2025-01-21 2025-01-16 4 Thiel Frederick G MARA Common Stock S - Sale D 18.0100 -27,505 -495 4,100,585
2024-12-18 2024-12-16 4 Thiel Frederick G MARA Common Stock S - Sale D 23.5000 -27,505 -646 4,128,090
2024-11-20 2024-11-18 4 Thiel Frederick G MARA Common Stock S - Sale D 19.8000 -27,505 -545 4,155,595
2024-11-07 2024-11-05 4 Thiel Frederick G MARA Common Stock F - Taxes D 16.5000 -67,704 -1,117 4,183,100
2024-10-18 2024-10-16 4 Thiel Frederick G MARA Common Stock S - Sale D 17.5000 -27,505 -481 4,250,804
2024-09-20 2024-09-20 4 Thiel Frederick G MARA Common Stock S - Sale D 15.7000 -27,512 -432 4,278,309
2024-05-06 2024-05-01 4 Thiel Frederick G MARA Common Stock A - Award D 1,646,606 4,362,968
2024-02-20 2024-02-16 4 Thiel Frederick G MARA Common Stock F - Taxes D 17.7300 -161,554 -2,864 2,716,362
2024-02-02 2024-01-31 4 Thiel Frederick G MARA Common Stock A - Award D 1,642,229 2,877,916
2024-01-02 2020-12-15 4/A Thiel Frederick G MARA Common Stock S - Sale D 6.5000 -5,000 -32 1,235,687
2023-05-17 2023-04-26 4 Thiel Frederick G MARA Common Stock C - Conversion D 9.4600 21,536 204 239,876
2023-05-17 2023-01-30 4 Thiel Frederick G MARA Common Stock C - Conversion D 8.7500 20,825 182 218,340
2023-05-17 2022-11-01 4 Thiel Frederick G MARA Common Stock C - Conversion D 13.1100 21,266 279 192,515
2023-05-17 2022-07-26 4 Thiel Frederick G MARA Common Stock C - Conversion D 10.1100 22,074 223 208,749
2022-12-21 2022-12-16 4 Thiel Frederick G MARA Common Stock P - Purchase D 3.8200 5,000 19 154,175
2022-10-11 2022-10-10 4 Thiel Frederick G MARA Common Stock C - Conversion D 10.7700 -37,500 -404 149,175
2022-05-18 2022-04-25 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 18.1500 -166,800 -3,027 333,200
2022-05-18 2022-04-25 4 Thiel Frederick G MARA RSUs A - Award D 0.00 18.1500 166,800 3,027 500,000
2022-05-18 2022-04-25 4 Thiel Frederick G MARA Common Stock C - Conversion D 18.1500 88,201 1,601 186,675
2021-10-08 2021-10-05 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 33.6300 -19,948 -671 0
2021-10-08 2021-10-05 4 Thiel Frederick G MARA Common Stock C - Conversion D 33.6300 10,052 338 98,474
2021-08-25 2021-08-23 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 35.2600 -19,949 -703 19,948
2021-08-25 2021-08-23 4 Thiel Frederick G MARA Common Stock C - Conversion D 35.2600 16,986 599 88,422
2021-04-14 2021-03-31 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 48.0200 -35,574 -1,708 39,897
2021-04-14 2021-03-31 4 Thiel Frederick G MARA Common Stock C - Conversion D 48.0200 21,296 1,023 76,436
2021-04-14 2021-02-12 4 Thiel Frederick G MARA Common Stock S - Sale D 39.1900 -2,000 -78 55,140
2021-04-14 2021-02-10 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 10.4400 -19,949 -208 75,471
2021-04-14 2021-02-10 4 Thiel Frederick G MARA RSUs A - Award D 0.00 10.4400 25,000 261 95,420
2021-04-14 2021-02-10 4 Thiel Frederick G MARA Common Stock C - Conversion D 2.1900 19,716 43 57,140
2021-04-14 2020-12-31 4 Thiel Frederick G MARA RSUs A - Award D 0.00 10.4400 54,795 572 70,420
2021-04-14 2020-12-31 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 10.4400 -15,625 -163 15,625
2021-04-14 2020-12-31 4 Thiel Frederick G MARA Common Stock C - Conversion D 10.4400 12,624 132 37,424
2021-04-14 2020-09-30 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 1.9600 -15,625 -31 31,250
2021-04-14 2020-09-30 4 Thiel Frederick G MARA Common Stock C - Conversion D 1.9600 12,465 24 24,800
2021-04-14 2020-06-30 4 Thiel Frederick G MARA RSUs D - Sale to Issuer D 0.00 0.9100 -15,625 -14 46,875
2021-04-14 2020-06-30 4 Thiel Frederick G MARA Common Stock C - Conversion D 0.9100 12,335 11 12,335
2021-04-14 2020-05-04 4 Thiel Frederick G MARA RSUs A - Award D 0.00 2.0400 62,500 128 62,500
2021-04-14 2020-05-04 4 Thiel Frederick G MARA Options D - Sale to Issuer D 0.00 2.0400 -75,000 -153 0
2019-08-14 2019-08-12 4 Thiel Frederick G MARA Employee Stock Option (right to buy) A - Award D 2.04 25,000 75,000
2018-10-16 2018-10-12 4 Thiel Frederick G MARA Employee Stock Option (right to buy) A - Award D 0.58 50,000 50,000
P
Acquisto sul mercato aperto o privato di un titolo non derivato o derivato
S
Vendita sul mercato aperto o privato di un titolo non derivato o derivato
A
Concessione, assegnazione o altra acquisizione di titoli dall'azienda (ad esempio un'opzione)
C
Conversione di un derivato
D
Vendita o trasferimento di titoli alla società
F
Pagamento del prezzo di esercizio o del debito fiscale con la quota di titoli ricevuta dalla società
G
Regalo di titoli da parte o a favore dell'insider
K
Equity swap e operazioni di copertura analoghe
M
Esercizio o conversione di un titolo derivato ricevuto dall'azienda (ad esempio un'opzione)
V
Una transazione dichiarata volontariamente sul modulo 4
J
Altro (accompagnato da una nota a piè di pagina che descriva l'operazione)