TCRT's three largest insider shareholders as of March 23, 2026 are Robert W Postma (Director, 5.45Mn shares), Robert W Postma (Director, 5.00Mn shares), Jaime Vieser (Director, 1.25Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Robert W Postma | 1,201,870 | 4,250,000 | 03 Sep, 2021 | |
| Robert W Postma | 0 | 5,000,000 | 01 Dec, 2022 | |
| Jaime Vieser | 0 | 1,250,000 | 01 Dec, 2022 | |
| Kevin S. Sr. Boyle | Chief Executive Officer | 885,000 | 0 | 17 Nov, 2021 |
| Kevin S. Sr. Boyle | Chief Executive Officer | 798,236 | 0 | 05 Sep, 2023 |
| Jaime Vieser | 705,321 | 0 | 04 Oct, 2021 | |
| Raffaele Baffa | Chief Medical Officer | 280,645 | 0 | 19 May, 2021 |
| Groot Eleanor De | Evp, Operations | 237,106 | 0 | 27 Dec, 2021 |
| James Huang | 188,333 | 0 | 24 Jun, 2022 | |
| Holger Weis | 160,167 | 0 | 24 Jun, 2022 | |
| Heidi Hagen | 145,889 | 0 | 03 Sep, 2021 | |
| Holger Weis | 120,167 | 0 | 03 Sep, 2021 | |
| James Huang | 108,333 | 0 | 03 Sep, 2021 | |
| Mary Thistle | 45,000 | 0 | 24 Jun, 2022 | |
| Christopher Bowden | 44,167 | 0 | 24 Jun, 2022 | |
| Robert W Postma | 43,872 | 0 | 15 Jan, 2026 | |
| Jaime Vieser | 32,338 | 0 | 15 Jan, 2026 | |
| Ferdinand Groenewald | Vice President Of Finance | 10,775 | 0 | 20 Aug, 2025 |
| Michael Allen Jerman | 9,589 | 0 | 15 Jan, 2025 | |
| Mary Thistle | 5,000 | 0 | 06 May, 2021 | |
| Christopher Bowden | 4,167 | 0 | 06 May, 2021 | |
| J Kevin Buchi | 4,167 | 0 | 06 May, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 12 Jan, 2026 | Robert W Postma | Common Stock | A | 5,622 | $2.89 | 43,872 | D | A |
| 12 Jan, 2026 | Jaime Vieser | Common Stock | A | 5,839 | $2.89 | 32,338 | D | A |
| 21 Nov, 2025 | Jaime Vieser | Common Stock | A | 5,340 | $3.16 | 26,499 | D | A |
| 21 Nov, 2025 | Robert W Postma | Common Stock | A | 5,142 | $3.16 | 38,250 | D | A |
| 21 Nov, 2025 | Michael Allen Jerman | Common Stock | A | 4,183 | $3.16 | 4,183 | D | A |
| 18 Aug, 2025 | Holger Weis | Employee Stock Option (right to buy) | A | 13,676 | $0.00 | 13,676 | D | A |
| 18 Aug, 2025 | Ferdinand Groenewald | Common Stock | A | 10,775 | $0.00 | 10,775 | D | A |
| 18 Aug, 2025 | Ferdinand Groenewald | Employee Stock Option (right to buy) | A | 4,000 | $0.00 | 4,000 | D | A |
| 15 Jul, 2025 | Michael Allen Jerman | Employee Stock Option (right to buy) | A | 10,000 | $0.00 | 10,000 | D | A |
| 15 Jul, 2025 | Michael Allen Jerman | Employee Stock Option (right to buy) | A | 3,200 | $0.00 | 3,200 | D | A |
| 02 Jul, 2025 | Holger Weis | Employee Stock Option (right to buy) | A | 130,000 | $0.00 | 130,000 | D | A |
| 03 Jul, 2025 | Jaime Vieser | Common Stock | A | 3,400 | $0.00 | 21,159 | D | A |
| 03 Jul, 2025 | Robert W Postma | Common Stock | A | 4,050 | $0.00 | 33,133 | D | A |
| 03 Jul, 2025 | Robert W Postma | Employee Stock Option (right to buy) | A | 6,400 | $0.00 | 6,400 | D | A |
| 03 Jul, 2025 | Jaime Vieser | Employee Stock Option (right to buy) | A | 6,400 | $0.00 | 6,400 | D | A |
| 24 Jun, 2025 | Jaime Vieser | Series A-2 Convertible Preferred Stock | A | 250 | $4.49 | 250 | D | P |
| 13 Apr, 2025 | Robert W Postma | Common Stock | A | 20,804 | $2.92 | 29,083 | D | A |
| 11 Apr, 2025 | Robert W Postma | Series A-1 Convertible Preferred Stock | A | 500 | $2.76 | 500 | I | P |
| 24 Jun, 2025 | Robert W Postma | Series A-2 Convertible Preferred Stock | A | 600 | $4.49 | 600 | I | P |
| 13 Apr, 2025 | Holger Weis | Employee Stock Option (right to buy) | A | 10,904 | $0.00 | 10,904 | D | A |