SEC Insider Transactions from Flagship Pioneering, LLC.

Last updated: 2026-03-14 11:44 UTC | Total transactions: 6

Flagship Pioneering, LLC has filed 6 insider transactions across 2 companies since February 2024.

Most recent transaction: a grant/award of 2235468 shares of Foghorn Therapeutics Inc. ($FHTX) on January 13, 2026.

Activity breakdown: 3 open-market purchases and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Jan. 13, 2026 Foghorn Therapeutics Inc. $FHTX Flagship Pioneering, LLC Not found A Pre-Funded Warrants to purchase Common Stock 2235468 $6.71 2,235,468.0000 63,029,293 9999.99% 3.55%
Jan. 13, 2026 Foghorn Therapeutics Inc. $FHTX Flagship Pioneering, LLC Not found A Series 1 Warrants to purchase Common Stock 1117734 $0.00 1,117,734.0000 63,029,293 9999.99% 1.77%
Jan. 13, 2026 Foghorn Therapeutics Inc. $FHTX Flagship Pioneering, LLC Not found A Series 2 Warrants to purchase Common Stock 1117734 $0.00 1,117,734.0000 63,029,293 9999.99% 1.77%
May 22, 2024 Foghorn Therapeutics Inc. $FHTX Flagship Pioneering Inc. Not found P Pre-Funded Warrants to purchase Common Stock 1814914 $5.51 3,629,829.0000 41,974,484 100.00% 4.32%
May 22, 2024 Foghorn Therapeutics Inc. $FHTX Flagship Pioneering Inc. Not found P Pre-Funded Warrants to purchase Common Stock 1814915 $5.51 3,629,829.0000 41,974,484 100.00% 4.32%
Feb. 12, 2024 Sana Biotechnology, Inc. $SANA Flagship Pioneering Inc. Not found P Pre-Funded Warrants to purchase Common Stock 2727272 $5.50 2,727,272.0000 0 9999.99% 0.00%