🕵️ TYRA Biosciences, Inc. ($TYRA)
SEC insider & ownership activity, last 12 months · CIK 1863127 · every row links its SEC filing
Over the last 12 months insiders sold $10.6M with no open-market buying against it. Robert J. More sold $5.3M through a 10b5-1 trading plan in 2 lots (Nov–Dec). 1 planned sale is pending, the largest $274K (Daniel Bensen). No red-flag 8-Ks in the window.
🚨 5 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 3 sellers, $10.6M (14 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Robert J. More | 0 | – | 2 | $5.3M | Dec 19, 2025 |
| Daniel Bensen | 0 | – | 11 | $4.8M | Feb 12, 2026 |
| Kaplan Gilla | 0 | – | 1 | $529K | Mar 25, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| RA Capital Management, L.P. | 21.2% | 13D | Mar 4, 2026 | filing ↗ | |
| Peter Kolchinsky | 21.2% | 13D | Mar 4, 2026 | filing ↗ | |
| Rajeev Shah | 21.2% | 13D | Mar 4, 2026 | filing ↗ | |
| RA Capital Healthcare Fund, L.P. | 17.7% | 13D | Mar 4, 2026 | filing ↗ | |
| FMR LLC | 14.4% | 13G | Apr 7, 2026 | filing ↗ | |
| Abigail P. Johnson | 14.4% | 13G | Apr 7, 2026 | filing ↗ | |
| Janus Henderson Group PLC | 7.2% | 13G | May 15, 2026 | filing ↗ | |
| Joshua J. Dapice | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Dreyfuss, Philip D. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Hannah E. Dunn | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Gehani, Varun N. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Giauque, Nicolas | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Husen, Avner A. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| KIM, David T. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| LINN, Michael G. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| LUO Patrick (CHENG) | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Roberts, JR., Thomas G. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Edric C. Saito | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Daniel S. Short | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Spokes, Andrew J. M. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Warren, JOHN R. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Wehrly, MARK C. | 6.6% | 13G | May 12, 2026 | filing ↗ | |
| Farallon Partners, L.L.C. | 6.3% | 13G | May 12, 2026 | filing ↗ | |
| TCG Crossover GP I, LLC | 5.7% | 13G | Mar 6, 2025 | filing ↗ | |
| TCG Crossover Fund I, L.P. | 5.7% | 13G | Mar 6, 2025 | filing ↗ | |
| Chen Yu | 5.7% | 13G | Mar 6, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Nextech Vi Oncology Scsp | $9.5M | Jun 26, 2026 | filing ↗ |
| Nextech Vi Oncology Scsp | $10.0M | Jun 1, 2026 | filing ↗ |
| Daniel Bensen | $274K | May 12, 2026 | filing ↗ |
| Daniel Bensen | $285K | Apr 13, 2026 | filing ↗ |
| Gilla Kaplan | $2.0M | Mar 26, 2026 | filing ↗ |
| Gilla Kaplan | $529K | Mar 25, 2026 | filing ↗ |
| Daniel Bensen | $283K | Mar 12, 2026 | filing ↗ |
| Daniel Bensen | $262K | Feb 12, 2026 | filing ↗ |
| Daniel Bensen | $232K | Jan 12, 2026 | filing ↗ |
| Daniel Bensen | $180K | Dec 12, 2025 | filing ↗ |
| ALTA Partners Nextgen Fund II, L.P. | $5.4M | Nov 21, 2025 | filing ↗ |
| Daniel Bensen | $2.0M | Nov 18, 2025 | filing ↗ |
| Daniel Bensen | $320K | Nov 17, 2025 | filing ↗ |
| Daniel Bensen | $1.4M | Nov 14, 2025 | filing ↗ |
| Daniel Bensen | $400K | Nov 13, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | May 28, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 16, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 1, 2026 | filing ↗ |
| Other events (8.01) | Mar 4, 2026 | filing ↗ |
| Earnings (2.02) | Mar 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 2, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 25, 2025 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Other events (8.01) | Aug 21, 2025 | filing ↗ |
| Earnings (2.02) | Aug 14, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 14, 2025 | filing ↗ |