Investor Polaris Venture Partners VI, L.P.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Polaris Venture Partners VI, L.P. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2024-11-12 13G/A ALEC / Alector, Inc. 10,975,734 9,977,877
2024-02-09 13G/A ALEC / Alector, Inc. 11,944,270 10,975,734
2024-02-09 13G/A SRRK / Scholar Rock Holding Corporation 4,105,640 2,651,705
2023-02-07 13G/A ALEC / Alector, Inc. 12,410,230 11,944,270
2023-02-07 13G/A SRRK / Scholar Rock Holding Corporation 2,600,350 4,105,640
2022-02-11 13G/A ALEC / Alector, Inc. 12,886,666 12,410,230
2022-02-11 13G/A SRRK / Scholar Rock Holding Corporation 2,837,785 2,600,350
2021-02-12 13G/A ALEC / Alector, Inc. 12,873,194 12,886,666
2020-02-12 13G ALEC / Alector, Inc. 12,873,194
2019-02-14 13G SRRK / Scholar Rock Holding Corporation 2,837,785
2017-09-18 13D/A EDIT / Editas Medicine, Inc. 2,797,144 1,797,144
2017-05-30 13D/A EDIT / Editas Medicine, Inc. 4,156,173 2,797,144
2016-09-19 13D/A EDIT / Editas Medicine, Inc. 4,656,173 4,156,173
2016-05-16 13D EDIT / Editas Medicine, Inc. 4,656,173