🕵️ Trisalus Life Sciences, Inc. ($TLSI)
SEC insider & ownership activity, last 12 months · CIK 1826667 · every row links its SEC filing
Over the last 12 months insiders sold $136K against $3.6M of open-market buying. Michael P. Stansky bought $3.0M (Feb–May). Frankenius Equity Ab trimmed 20.5% → 14.0%; Utmost Group PLC trimmed 6.8% → 5.7%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
6 buyers, $3.6M (12 lots) · 5 sellers, $136K (15 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Michael P. Stansky | 4 | $3.0M | 0 | – | May 15, 2026 |
| Mary T. Szela | 2 | $228K | 2 | $79K | May 15, 2026 |
| Wahlstrom Mats | 1 | $152K | 0 | – | May 15, 2026 |
| Valle William | 1 | $125K | 0 | – | Feb 23, 2026 |
| Gary B. Gordon | 2 | $65K | 0 | – | May 15, 2026 |
| Patience David | 2 | $32K | 0 | – | May 15, 2026 |
| Marshak Richard | 0 | – | 4 | $16K | May 15, 2026 |
| Stevens Jennifer | 0 | – | 3 | $15K | Mar 16, 2026 |
| Devlin Jodi | 0 | – | 3 | $13K | Mar 16, 2026 |
| Bryan F. Cox | 0 | – | 3 | $13K | Mar 16, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Paul Frankenius | 14.0% | 13D | Jul 31, 2025 | filing ↗ | |
| Frankenius Equity Ab | 14.0% | 13D | Jul 31, 2025 | filing ↗ | |
| First Light Asset Management, LLC | 10.7% | 13G | Jul 7, 2026 | filing ↗ | |
| Mathew P. Arens | 10.7% | 13G | Jul 7, 2026 | filing ↗ | |
| Mats Wahlstrom | 6.0% | 13D | Jul 31, 2025 | filing ↗ | |
| Utmost Group PLC | 5.7% | 13G | May 12, 2026 | filing ↗ | |
| James J. Pallotta | 5.2% | 13G | May 20, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 1, 2026 | filing ↗ |
| Earnings (2.02) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 19, 2026 | filing ↗ |
| Other events (8.01) | Feb 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 19, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 3, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 3, 2026 | filing ↗ |
| Earnings (2.02) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Sep 30, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 25, 2025 | filing ↗ |
| Earnings (2.02) | Aug 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 12, 2025 | filing ↗ |