๐Ÿ•ต๏ธ Relay Therapeutics, Inc. ($RLAY)

SEC insider & ownership activity, last 12 months ยท CIK 1812364 ยท every row links its SEC filing

Over the last 12 months insiders sold $129.0M with no open-market buying against it. SVF Pauling (CAYMAN) Ltd sold $116.4M in discretionary trades (Aug). 4 planned sales are pending, the largest $1.3M (Sekar Kathiresan). No red-flag 8-Ks in the window.

Oct 2025: net -$683K Nov 2025: net -$435K Dec 2025: net +$0 Jan 2026: net -$724K Feb 2026: net +$0 Mar 2026: net -$178K Apr 2026: net -$305K May 2026: net -$228K Jun 2026: net -$5.7M Jul 2026: net -$1.5M Aug 2026: net -$117.8M Sep 2026: net -$1.4M
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

0 buyers, $0 (0 lots) ยท 5 sellers, $129.0M (38 lots)

InsiderBuysBoughtSellsSoldLast
SVF Pauling (CAYMAN) Ltd0โ€“ 1$116.4MAug 25, 2026
Thomas Catinazzo0โ€“ 16$5.2MSep 8, 2026
The Patel Family Irrevocable U/A DTD 11/12/20190โ€“ 5$3.6MSep 8, 2026
Donald Bergstrom0โ€“ 8$2.4MSep 8, 2026
Rahmer Peter0โ€“ 8$1.5MAug 26, 2026

5%+ holders

HolderStakeClassScheduleEvent
FMR LLC 10.0% 13GAug 7, 2026 filing โ†—
Abigail P. Johnson 10.0% 13GAug 7, 2026 filing โ†—
Casdin Capital, LLC 7.5% 13GFeb 17, 2026 filing โ†—
Casdin Partners GP, LLC 7.5% 13GFeb 17, 2026 filing โ†—
Eli Casdin 7.5% 13GFeb 17, 2026 filing โ†—
Casdin Partners Master Fund, L.P. 7.3% 13GFeb 17, 2026 filing โ†—
Perceptive Advisors LLC 6.4% 13GAug 10, 2026 filing โ†—
Joseph Edelman 6.4% 13GAug 10, 2026 filing โ†—
Perceptive Life Sciences Master Fund, Ltd. 6.4% 13GAug 10, 2026 filing โ†—
BlackRock, Inc. 6.1% 13GApr 17, 2025 filing โ†—
Commodore Capital LP 5.5% 13GAug 14, 2026 filing โ†—
Commodore Capital Master LP 5.5% 13GAug 14, 2026 filing โ†—
Robert Egen Atkinson 5.5% 13GAug 14, 2026 filing โ†—
Michael Kramarz 5.5% 13GAug 14, 2026 filing โ†—

Planned insider sales (Form 144)

SellerPlannedApprox. sale date
Peter Rahmer$1.0MAug 26, 2026 filing โ†—
Sekar Kathiresan$826KAug 4, 2026 filing โ†—
Sekar Kathiresan$564KJul 31, 2026 filing โ†—
Sekar Kathiresan$594KJul 21, 2026 filing โ†—
Sekar Kathiresan$1.3MJul 20, 2026 filing โ†—
Sanjiv Patel$2.7MJul 7, 2026 filing โ†—
Peter Rahmer$987KJun 30, 2026 filing โ†—
Donald Bergstrom$1.8MJun 22, 2026 filing โ†—
Thomas Catinazzo$3.3MJun 22, 2026 filing โ†—
Thomas Catinazzo$492KMay 14, 2026 filing โ†—
Thomas Catinazzo$526KMar 9, 2026 filing โ†—
Peter J. Rahmer$160KOct 29, 2025 filing โ†—

Material events (8-K)

ItemEvent date
Material agreement (1.01)Aug 6, 2026 filing โ†—
Earnings (2.02)Aug 6, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Aug 6, 2026 filing โ†—
Charter/bylaw changes (5.03)Jun 9, 2026 filing โ†—
Shareholder vote (5.07)Jun 9, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jun 9, 2026 filing โ†—
Material agreement (1.01)May 20, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 20, 2026 filing โ†—
Reg FD disclosure (7.01)May 19, 2026 filing โ†—
Other events (8.01)May 19, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 19, 2026 filing โ†—
Earnings (2.02)May 5, 2026 filing โ†—
Financial Statements and Exhibits (9.01)May 5, 2026 filing โ†—
Reg FD disclosure (7.01)Apr 27, 2026 filing โ†—
Other events (8.01)Apr 27, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 27, 2026 filing โ†—
Reg FD disclosure (7.01)Mar 16, 2026 filing โ†—
Other events (8.01)Mar 16, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 16, 2026 filing โ†—
Charter/bylaw changes (5.03)Mar 6, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Mar 6, 2026 filing โ†—
Earnings (2.02)Feb 26, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 26, 2026 filing โ†—
Reg FD disclosure (7.01)Feb 3, 2026 filing โ†—
Other events (8.01)Feb 3, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Feb 3, 2026 filing โ†—
Earnings (2.02)Nov 4, 2025 filing โ†—
Officer/director changes (5.02)Nov 4, 2025 filing โ†—
Reg FD disclosure (7.01)Nov 4, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Nov 4, 2025 filing โ†—