TLSI's three largest insider shareholders as of March 23, 2026 are Equity Ab Frankenius (TenPercentOwner, 6.23Mn shares), David Patience (Chief Financial Officer, 268.66K shares), George Kelly Martin (Director, 247.18K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Equity Ab Frankenius | 6,230,748 | 0 | 19 Dec, 2024 | |
| Mary T Szela | Ceo And President | 752,987 | 0 | 20 Mar, 2026 |
| David Patience | Chief Financial Officer | 268,657 | 0 | 23 Feb, 2026 |
| George Kelly Martin | 0 | 247,176 | 10 Sep, 2024 | |
| Arjun Jj Desai | 247,127 | 0 | 12 Dec, 2024 | |
| Sean Murphy | Chief Manuf, Strategybus Dev. | 0 | 197,732 | 29 Jan, 2025 |
| Bryan F. Cox | Chief Of Research | 166,599 | 0 | 25 Nov, 2025 |
| Bryan F. Cox | Chief Of Research | 163,415 | 0 | 20 Mar, 2026 |
| Jennifer Stevens | Chief Regulatory Officer | 127,640 | 0 | 25 Nov, 2025 |
| Jennifer Stevens | Chief Regulatory Officer | 124,110 | 0 | 20 Mar, 2026 |
| Sean Murphy | 123,989 | 0 | 21 May, 2025 | |
| Richard Marshak | Chief Commercial Officer | 113,854 | 0 | 25 Nov, 2025 |
| Richard Marshak | Chief Commercial Officer | 110,397 | 0 | 20 Mar, 2026 |
| Jodi Devlin | Chief Of Clinical Operations | 100,571 | 0 | 25 Nov, 2025 |
| Jodi Devlin | Chief Of Clinical Operations | 97,364 | 0 | 20 Mar, 2026 |
| Steven C Katz | Chief Medical Officer | 68,587 | 0 | 14 Feb, 2024 |
| James Emmett Young | Chief Financial Officer | 49,663 | 0 | 21 May, 2025 |
| Mats Wahlstrom | 40,915 | 0 | 19 Dec, 2024 | |
| William Valle | 30,487 | 0 | 23 Feb, 2026 | |
| James Emmett Young | Chief Financial Officer | 0 | 30,000 | 06 Feb, 2025 |
| Liselotte Hyveled | 10,040 | 0 | 06 Jan, 2025 | |
| Gary B. Gordon | 9,756 | 0 | 23 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | Jodi Devlin | Common Stock | D | 1,162 | $4.13 | 99,409 | D | S |
| 11 Mar, 2026 | Mary T Szela | Common Stock | D | 4,358 | $4.13 | 768,931 | D | S |
| 11 Mar, 2026 | Richard Marshak | Common Stock | D | 1,449 | $4.13 | 112,405 | D | S |
| 11 Mar, 2026 | Bryan F. Cox | Common Stock | D | 1,138 | $4.13 | 165,461 | D | S |
| 11 Mar, 2026 | Jennifer Stevens | Common Stock | D | 1,204 | $4.13 | 126,436 | D | S |
| 17 Mar, 2026 | Mary T Szela | Common Stock | D | 15,944 | $3.85 | 752,987 | D | S |
| 12 Mar, 2026 | Richard Marshak | Common Stock | D | 1,589 | $4.09 | 110,816 | D | S |
| 12 Mar, 2026 | Jodi Devlin | Common Stock | D | 1,772 | $4.09 | 97,637 | D | S |
| 12 Mar, 2026 | Bryan F. Cox | Common Stock | D | 1,467 | $4.09 | 163,994 | D | S |
| 12 Mar, 2026 | Jennifer Stevens | Common Stock | D | 1,552 | $4.09 | 124,884 | D | S |
| 16 Mar, 2026 | Jennifer Stevens | Common Stock | D | 774 | $4.12 | 124,110 | D | S |
| 16 Mar, 2026 | Jodi Devlin | Common Stock | D | 273 | $4.12 | 97,364 | D | S |
| 16 Mar, 2026 | Bryan F. Cox | Common Stock | D | 579 | $4.12 | 163,415 | D | S |
| 16 Mar, 2026 | Richard Marshak | Common Stock | D | 419 | $4.12 | 110,397 | D | S |
| 23 Feb, 2026 | Mary T Szela | Common Stock | A | 30,487 | $4.10 | 773,289 | D | P |
| 23 Feb, 2026 | David Patience | Common Stock | A | 3,657 | $4.10 | 268,657 | D | P |
| 23 Feb, 2026 | Gary B. Gordon | Common Stock | A | 9,756 | $4.10 | 9,756 | D | P |
| 23 Feb, 2026 | William Valle | Common Stock | A | 30,487 | $4.10 | 30,487 | D | P |
| 24 Nov, 2025 | Richard Marshak | Common Stock | A | 60,000 | $0.00 | 113,854 | D | A |
| 24 Nov, 2025 | Jennifer Stevens | Common Stock | A | 50,000 | $0.00 | 127,640 | D | A |