🕵️ 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 against $20K of open-market buying. Robert J. More sold $5.3M through a 10b5-1 trading plan in 2 lots (Nov–Dec). RA Capital Management, L.P. trimmed 22.4% → 21.2%; Peter Kolchinsky trimmed 22.4% → 21.2%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $20K (1 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 |
| Verjee Rehan | 1 | $20K | 0 | – | Sep 9, 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 ↗ | |
| Nextech Vi Oncology SCSp | 6.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Nextech VI GP S.A. R.L. | 6.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Ian Charoub | 6.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Costas Constantinides | 6.0% | 13G | Aug 14, 2026 | filing ↗ | |
| Rocco Sgobbo | 6.0% | 13G | Aug 14, 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 ↗ | |
| BlackRock, Inc. | 5.0% | 13G | Jul 30, 2026 | 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 | |
|---|---|---|
| Other events (8.01) | Sep 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 14, 2026 | filing ↗ |
| Other events (8.01) | Sep 9, 2026 | filing ↗ |
| Earnings (2.02) | Aug 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2026 | filing ↗ |
| 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 ↗ |