πŸ•΅οΈ Editas Medicine, Inc. ($EDIT)

SEC insider & ownership activity, last 12 months Β· CIK 1650664 Β· every row links its SEC filing

Over the last 12 months insiders sold $107K with no open-market buying against it. O'Neill Gilmore Neil sold $80K through a 10b5-1 trading plan in 4 lots (Dec–Sep). No red-flag 8-Ks in the window.

Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net -$15K Jan 2026: net +$0 Feb 2026: net +$0 Mar 2026: net -$13K Apr 2026: net +$0 May 2026: net +$0 Jun 2026: net -$45K Jul 2026: net -$13K Aug 2026: net -$2K Sep 2026: net -$19K
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) Β· 3 sellers, $107K (14 lots)

InsiderBuysBoughtSellsSoldLast
O'Neill Gilmore Neil0– 4$80KSep 3, 2026
Burkly Linda0– 5$20KSep 3, 2026
Parison Amy0– 5$6KSep 3, 2026

5%+ holders

HolderStakeClassScheduleEvent
Commodore Capital LP 9.9% 13GJun 2, 2026 filing β†—
Commodore Capital Master LP 9.9% 13GJun 2, 2026 filing β†—
Robert Egen Atkinson 9.9% 13GJun 2, 2026 filing β†—
Michael Kramarz 9.9% 13GJun 2, 2026 filing β†—
TCG Crossover GP III, LLC 9.9% 13GJun 3, 2026 filing β†—
TCG Crossover Fund III, L.P. 9.9% 13GJun 3, 2026 filing β†—
Chen Yu 9.9% 13GJun 3, 2026 filing β†—
RA Capital Management, L.P. 5.8% 13GJun 3, 2026 filing β†—
Peter Kolchinsky 5.8% 13GJun 3, 2026 filing β†—
Rajeev Shah 5.8% 13GJun 3, 2026 filing β†—
RA Capital Healthcare Fund, L.P. 5.8% 13GJun 3, 2026 filing β†—
ADAR1 Capital Management, LLC 5.8% 13GAug 14, 2026 filing β†—
Daniel Schneeberger 5.8% 13GAug 14, 2026 filing β†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
O'Neill Gilmore Neil$17KSep 3, 2026 filing β†—
Burkly Linda$2KSep 3, 2026 filing β†—
Burkly Linda$16KJul 27, 2026 filing β†—
O'Neill Gilmore Neil$46KJun 3, 2026 filing β†—
O'Neill Gilmore Neil$11KMar 3, 2026 filing β†—
O'Neill Gilmore Neil$18KDec 3, 2025 filing β†—

Material events (8-K)

ItemEvent date
Earnings (2.02)Aug 3, 2026 filing β†—
Officer/director changes (5.02)Aug 3, 2026 filing β†—
Financial Statements and Exhibits (9.01)Aug 3, 2026 filing β†—
Shareholder vote (5.07)Jun 17, 2026 filing β†—
Material agreement (1.01)May 26, 2026 filing β†—
Other events (8.01)May 26, 2026 filing β†—
Financial Statements and Exhibits (9.01)May 26, 2026 filing β†—
Other events (8.01)May 26, 2026 filing β†—
Reg FD disclosure (7.01)May 25, 2026 filing β†—
Other events (8.01)May 25, 2026 filing β†—
Financial Statements and Exhibits (9.01)May 25, 2026 filing β†—
Reg FD disclosure (7.01)May 14, 2026 filing β†—
Other events (8.01)May 14, 2026 filing β†—
Financial Statements and Exhibits (9.01)May 14, 2026 filing β†—
Earnings (2.02)May 5, 2026 filing β†—
Financial Statements and Exhibits (9.01)May 5, 2026 filing β†—
Auditor change (4.01)Apr 1, 2026 filing β†—
Financial Statements and Exhibits (9.01)Apr 1, 2026 filing β†—
Reg FD disclosure (7.01)Mar 26, 2026 filing β†—
Other events (8.01)Mar 26, 2026 filing β†—
Financial Statements and Exhibits (9.01)Mar 26, 2026 filing β†—
Earnings (2.02)Mar 9, 2026 filing β†—
Financial Statements and Exhibits (9.01)Mar 9, 2026 filing β†—
Earnings (2.02)Nov 10, 2025 filing β†—
Financial Statements and Exhibits (9.01)Nov 10, 2025 filing β†—
Reg FD disclosure (7.01)Oct 9, 2025 filing β†—
Other events (8.01)Oct 9, 2025 filing β†—
Financial Statements and Exhibits (9.01)Oct 9, 2025 filing β†—