🕵️ Tenaya Therapeutics, Inc. ($TNYA)
SEC insider & ownership activity, last 12 months · CIK 1858848 · every row links its SEC filing
Over the last 12 months insiders sold $6.0M with no open-market buying against it. The Column Group III GP, LP sold $5.9M (Feb). Tim Kutzkey trimmed 25.4% → 23.1%; Peter Svennilson trimmed 25.4% → 23.1%. One red-flag 8-K in the window: Delisting notice (3.01), Jan 26, 2026.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 4 sellers, $6.0M (36 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| The Column Group III GP, LP | 0 | – | 12 | $5.9M | Feb 25, 2026 |
| Ali Faraz | 0 | – | 8 | $35K | May 18, 2026 |
| Tingley Whittemore | 0 | – | 8 | $16K | May 18, 2026 |
| Higa Tomohiro | 0 | – | 8 | $9K | May 18, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Tim Kutzkey | 23.1% | 13D | Feb 25, 2026 | filing ↗ | |
| The Column Group Opportunity III, LP | 23.1% | 13D | Feb 25, 2026 | filing ↗ | |
| The Column Group Opportunity III GP, LP | 23.1% | 13D | Feb 25, 2026 | filing ↗ | |
| TCG Opportunity III GP, LLC | 23.1% | 13D | Feb 25, 2026 | filing ↗ | |
| Peter Svennilson | 23.1% | 13D | Feb 25, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Column Group III, LP | $565K | Feb 25, 2026 | filing ↗ |
| Column Group Iii-A, LP | $597K | Feb 25, 2026 | filing ↗ |
| Column Group III, LP | $873K | Feb 20, 2026 | filing ↗ |
| Column Group Iii-A, LP | $985K | Feb 20, 2026 | filing ↗ |
| Faraz Ali | $10K | Feb 17, 2026 | filing ↗ |
| Whittemore Tingley | $3K | Feb 17, 2026 | filing ↗ |
| Column Group Iii-A, LP | $505K | Feb 11, 2026 | filing ↗ |
| Column Group III, LP | $447K | Feb 11, 2026 | filing ↗ |
| Column Group Iii-A, LP | $1.3M | Feb 10, 2026 | filing ↗ |
| Column Group III, LP | $1.1M | Feb 10, 2026 | filing ↗ |
| Whittemore Tingley | $6K | Aug 18, 2025 | filing ↗ |
| Faraz Ali | $18K | Aug 18, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Agreement terminated (1.02) | Jun 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 29, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 29, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 27, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 27, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Earnings (2.02) | Mar 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 11, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 4, 2026 | filing ↗ |
| Delisting notice (3.01) | Jan 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 31, 2025 | filing ↗ |
| Material agreement (1.01) | Dec 11, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Dec 11, 2025 | filing ↗ |
| Other events (8.01) | Dec 11, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 11, 2025 | filing ↗ |
| Earnings (2.02) | Nov 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 10, 2025 | filing ↗ |
| Other events (8.01) | Nov 7, 2025 | filing ↗ |
| Earnings (2.02) | Aug 6, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2025 | filing ↗ |