🕵️ Relay Therapeutics, Inc. ($RLAY)
SEC insider & ownership activity, last 12 months · CIK 1812364 · every row links its SEC filing
Over the last 12 months insiders sold $10.0M with no open-market buying against it. Thomas Catinazzo sold $4.5M through a 10b5-1 trading plan in 15 lots (Jul–Jul). 2 planned sales are pending, the largest $1.3M (Sekar Kathiresan). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $10.0M (36 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Thomas Catinazzo | 0 | – | 15 | $4.5M | Jul 6, 2026 |
| Donald Bergstrom | 0 | – | 8 | $2.3M | Jul 6, 2026 |
| The Patel Family Irrevocable U/A DTD 11/12/2019 | 0 | – | 3 | $1.7M | Jul 7, 2026 |
| Rahmer Peter | 0 | – | 8 | $1.4M | Jun 30, 2026 |
| Adams Brian | 0 | – | 2 | $73K | Jul 29, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 10.0% | 13G | Apr 13, 2026 | filing ↗ | |
| Joseph Edelman | 10.0% | 13G | Apr 13, 2026 | filing ↗ | |
| Perceptive Life Sciences Master Fund, Ltd. | 10.0% | 13G | Apr 13, 2026 | filing ↗ | |
| Commodore Capital LP | 9.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Commodore Capital Master LP | 9.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Robert Egen Atkinson | 9.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Michael Kramarz | 9.9% | 13G | Nov 14, 2025 | filing ↗ | |
| Casdin Capital, LLC | 7.5% | 13G | Feb 17, 2026 | filing ↗ | |
| Casdin Partners GP, LLC | 7.5% | 13G | Feb 17, 2026 | filing ↗ | |
| Eli Casdin | 7.5% | 13G | Feb 17, 2026 | filing ↗ | |
| Casdin Partners Master Fund, L.P. | 7.3% | 13G | Feb 17, 2026 | filing ↗ | |
| Blackrock, Inc. | 6.1% | 13G | Apr 17, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Sekar Kathiresan | $594K | Jul 21, 2026 | filing ↗ |
| Sekar Kathiresan | $1.3M | Jul 20, 2026 | filing ↗ |
| Sanjiv Patel | $2.7M | Jul 7, 2026 | filing ↗ |
| Peter Rahmer | $987K | Jun 30, 2026 | filing ↗ |
| Donald Bergstrom | $1.8M | Jun 22, 2026 | filing ↗ |
| Thomas Catinazzo | $3.3M | Jun 22, 2026 | filing ↗ |
| Thomas Catinazzo | $492K | May 14, 2026 | filing ↗ |
| Thomas Catinazzo | $526K | Mar 9, 2026 | filing ↗ |
| Peter J Rahmer | $160K | Oct 29, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Charter/bylaw changes (5.03) | Jun 9, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 9, 2026 | filing ↗ |
| Material agreement (1.01) | May 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 19, 2026 | filing ↗ |
| Other events (8.01) | May 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 19, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 27, 2026 | filing ↗ |
| Other events (8.01) | Apr 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 16, 2026 | filing ↗ |
| Other events (8.01) | Mar 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 16, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Mar 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 6, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 3, 2026 | filing ↗ |
| Other events (8.01) | Feb 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 3, 2026 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 4, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Aug 7, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 7, 2025 | filing ↗ |