TLSI's three largest insider shareholders as of June 18, 2026 are Acquisition Sponsor Llc Medtech (TenPercentOwner, 6.25Mn shares), Equity Ab Frankenius (TenPercentOwner, 6.23Mn shares), Michael P Stansky (Director, 986.83K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| David J Matlin | - | 941,944 | 0 | 06 Jan, 2025 |
| Financial Llc Magnetar | - | 0 | 16,668 | 14 Jun, 2023 |
| Mary T Szela | Ceo And President | 752,987 | 0 | 20 Mar, 2026 |
| Michael P Stansky | - | 787,132 | 199,698 | 23 Feb, 2026 |
| Mats Wahlstrom | - | 40,915 | 0 | 19 Dec, 2024 |
| Sean Murphy | Chief Manuf, Strategybus Dev. | 0 | 197,732 | 29 Jan, 2025 |
| Gary B. Gordon | - | 9,756 | 0 | 23 Feb, 2026 |
| Acquisition Sponsor Llc Medtech | - | 6,249,999 | 0 | 27 Jun, 2023 |
| David Patience | Chief Financial Officer | 268,657 | 0 | 23 Feb, 2026 |
| Bryan F. Cox | Chief Of Research | 163,415 | 0 | 20 Mar, 2026 |
| George Kelly Martin | - | 0 | 247,176 | 10 Sep, 2024 |
| Jennifer Stevens | Chief Regulatory Officer | 124,110 | 0 | 20 Mar, 2026 |
| Richard Marshak | Chief Commercial Officer | 110,397 | 0 | 20 Mar, 2026 |
| Arjun Jj Desai | - | 247,127 | 0 | 12 Dec, 2024 |
| Steven C Katz | Chief Medical Officer | 68,587 | 0 | 14 Feb, 2024 |
| Equity Ab Frankenius | - | 6,230,748 | 0 | 19 Dec, 2024 |
| Jodi Devlin | Chief Of Clinical Operations | 97,364 | 0 | 20 Mar, 2026 |
| Liselotte Hyveled | - | 10,040 | 0 | 06 Jan, 2025 |
| William Valle | - | 30,487 | 0 | 23 Feb, 2026 |
| James Emmett Young | Chief Financial Officer | 49,663 | 0 | 21 May, 2025 |
* 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 | Jennifer Stevens | Common Stock | D | 1,204 | $4.13 | 126,436 | 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 | Jodi Devlin | Common Stock | D | 1,162 | $4.13 | 99,409 | D | S |
| 12 Mar, 2026 | Richard Marshak | Common Stock | D | 1,589 | $4.09 | 110,816 | D | S |
| 12 Mar, 2026 | Bryan F. Cox | Common Stock | D | 1,467 | $4.09 | 163,994 | D | S |
| 12 Mar, 2026 | Jodi Devlin | Common Stock | D | 1,772 | $4.09 | 97,637 | D | S |
| 17 Mar, 2026 | Mary T Szela | Common Stock | D | 15,944 | $3.85 | 752,987 | D | S |
| 12 Mar, 2026 | Jennifer Stevens | Common Stock | D | 1,552 | $4.09 | 124,884 | D | S |
| 16 Mar, 2026 | Richard Marshak | Common Stock | D | 419 | $4.12 | 110,397 | D | S |
| 16 Mar, 2026 | Jennifer Stevens | Common Stock | D | 774 | $4.12 | 124,110 | D | S |
| 16 Mar, 2026 | Bryan F. Cox | Common Stock | D | 579 | $4.12 | 163,415 | D | S |
| 16 Mar, 2026 | Jodi Devlin | Common Stock | D | 273 | $4.12 | 97,364 | D | S |
| 23 Feb, 2026 | William Valle | Common Stock | A | 30,487 | $4.10 | 30,487 | D | P |
| 23 Feb, 2026 | Michael P Stansky | Common Stock | A | 243,900 | $4.10 | 787,132 | D | P |
| 23 Feb, 2026 | David Patience | Common Stock | A | 3,657 | $4.10 | 268,657 | D | P |
| 23 Feb, 2026 | William Valle | Common Stock | A | 30,487 | $4.10 | 30,487 | D | P |
| 23 Feb, 2026 | Mary T Szela | Common Stock | A | 30,487 | $4.10 | 773,289 | D | P |
| 23 Feb, 2026 | Gary B. Gordon | Common Stock | A | 9,756 | $4.10 | 9,756 | D | P |