As of May 30, 2026, the three largest insider holders of DTIL are Derek Jantz (Chief Scientific Officer, 4.06Mn shares), Michael Amoroso (President And Ceo, 243.39K shares), John Alexander Kelly (Chief Financial Officer, 125.88K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Geno J Germano | - | 23,883 | 0 | 17 Dec, 2025 |
| John Alexander Kelly | Chief Financial Officer | 125,883 | 0 | 19 Feb, 2026 |
| Samuel C. Wadsworth | - | 4,202 | 0 | 07 May, 2024 |
| Melinda Brown | - | 23,346 | 0 | 17 Dec, 2025 |
| Derek Jantz | Chief Scientific Officer | 4,055,174 | 0 | 09 Jun, 2022 |
| J. Jefferson Smith | Chief Research Officer | 121,926 | 0 | 19 Feb, 2026 |
| Dario Scimeca | General Counsel And Secretary | 56,457 | 0 | 19 Feb, 2026 |
| Kevin Buehler | - | 28,137 | 0 | 27 Jun, 2025 |
| Michael Amoroso | President And Ceo | 243,392 | 0 | 19 Feb, 2026 |
| Shane Barton | Vp Corporate Controller | 27,502 | 0 | 09 Jun, 2023 |
| Stanley Frankel | - | 19,478 | 0 | 17 Dec, 2025 |
| Alan List | Chief Medical Officer | 4,488 | 0 | 03 May, 2024 |
| Shari Lisa Pire | - | 14,028 | 0 | 04 Jun, 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 |
|---|---|---|---|---|---|---|---|---|
| 17 Feb, 2026 | J. Jefferson Smith | Common Stock | A | 16,667 | $0.00 | 126,851 | D | M |
| 17 Feb, 2026 | J. Jefferson Smith | Common Stock | A | 16,667 | $0.00 | 126,851 | D | M |
| 17 Feb, 2026 | Dario Scimeca | Common Stock | A | 16,667 | $0.00 | 61,382 | D | M |
| 17 Feb, 2026 | John Alexander Kelly | Common Stock | A | 27,584 | $0.00 | 134,032 | D | M |
| 17 Feb, 2026 | Dario Scimeca | Common Stock | A | 16,667 | $0.00 | 61,382 | D | M |
| 17 Feb, 2026 | Michael Amoroso | Common Stock | A | 67,797 | $0.00 | 263,951 | D | M |
| 18 Feb, 2026 | J. Jefferson Smith | Common Stock | D | 4,925 | $3.84 | 121,926 | D | S |
| 18 Feb, 2026 | Dario Scimeca | Common Stock | D | 4,925 | $3.84 | 56,457 | D | S |
| 18 Feb, 2026 | J. Jefferson Smith | Common Stock | D | 4,925 | $3.84 | 121,926 | D | S |
| 18 Feb, 2026 | Dario Scimeca | Common Stock | D | 4,925 | $3.84 | 56,457 | D | S |
| 18 Feb, 2026 | John Alexander Kelly | Common Stock | D | 8,149 | $3.84 | 125,883 | D | S |
| 18 Feb, 2026 | Michael Amoroso | Common Stock | D | 20,559 | $3.84 | 243,392 | D | S |
| 17 Feb, 2026 | Dario Scimeca | Restricted Stock Units | D | 16,667 | $0.00 | 33,333 | D | M |
| 17 Feb, 2026 | John Alexander Kelly | Restricted Stock Units | D | 27,584 | $0.00 | 55,166 | D | M |
| 17 Feb, 2026 | Dario Scimeca | Restricted Stock Units | D | 16,667 | $0.00 | 33,333 | D | M |
| 17 Feb, 2026 | Michael Amoroso | Restricted Stock Units | D | 67,797 | $0.00 | 135,593 | D | M |
| 17 Feb, 2026 | J. Jefferson Smith | Restricted Stock Units | D | 16,667 | $0.00 | 33,333 | D | M |
| 17 Feb, 2026 | J. Jefferson Smith | Restricted Stock Units | D | 16,667 | $0.00 | 33,333 | D | M |
| 20 Jan, 2026 | Dario Scimeca | Common Stock | A | 1,978 | $0.00 | 30,236 | D | M |
| 20 Jan, 2026 | J. Jefferson Smith | Common Stock | A | 2,500 | - | 93,718 | D | M |