ALT's three largest insider shareholders as of March 23, 2026 are Vipin K Garg (Director, 424.52K shares), M Scot Roberts (Chief Scientific Officer, 112.82K shares), Raymond M Jordt (Chief Business Officer, 70.11K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Vipin K Garg | 424,519 | 0 | 02 Feb, 2026 | |
| M Scot Roberts | Chief Scientific Officer | 112,824 | 0 | 03 Feb, 2026 |
| Raymond M Jordt | Chief Business Officer | 70,107 | 0 | 02 Feb, 2026 |
| David Drutz | 0 | 55,524 | 20 Aug, 2024 | |
| Richard I Eisenstadt | Chief Financial Officer | 45,012 | 0 | 01 Feb, 2024 |
| Jerome Benedict Durso | President And Ceo | 32,500 | 0 | 09 Mar, 2026 |
| Gregory L Weaver | Chief Financial Officer | 28,078 | 0 | 09 Mar, 2026 |
| David Drutz | 20,151 | 0 | 21 Nov, 2022 | |
| William Michael Brown | Chief Financial Officer | 17,721 | 0 | 06 Aug, 2021 |
| Matthew Scott Harris | Chief Medical Officer | 16,087 | 0 | 04 Aug, 2025 |
| Wayne Pisano | 13,498 | 0 | 09 Jan, 2026 | |
| John Gill | 12,500 | 0 | 23 Dec, 2025 | |
| Andrew Shutterly | Acting Chief Financial Officer | 11,372 | 0 | 01 Aug, 2024 |
| Klaus Schafer | 9,179 | 0 | 22 Jun, 2022 | |
| Catherine A. Sohn | 1,500 | 0 | 05 Jan, 2026 | |
| Diane Jorkasky | 527 | 0 | 29 Dec, 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 |
|---|---|---|---|---|---|---|---|---|
| 06 Mar, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 5,000 | $3.54 | 28,078 | D | P |
| 06 Mar, 2026 | Jerome Benedict Durso | Common Stock, par value $0.0001 | A | 20,000 | $3.54 | 32,500 | D | P |
| 26 Feb, 2026 | M Scot Roberts | Stock Options (option to buy) | A | 222,670 | $0.00 | 222,670 | D | A |
| 26 Feb, 2026 | Gregory L Weaver | Stock Options (option to buy) | A | 259,000 | $0.00 | 259,000 | D | A |
| 26 Feb, 2026 | M Scot Roberts | Restricted Stock Units | A | 95,430 | $0.00 | 95,430 | D | A |
| 26 Feb, 2026 | Gregory L Weaver | Restricted Stock Units | A | 111,000 | $0.00 | 111,000 | D | A |
| 30 Jan, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | A | 9,275 | $0.00 | 104,670 | D | M |
| 30 Jan, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | D | 2,859 | $5.60 | 101,811 | D | F |
| 31 Jan, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | A | 5,567 | $3.07 | 107,378 | D | A |
| 02 Feb, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | A | 7,775 | $0.00 | 115,153 | D | M |
| 02 Feb, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | D | 2,329 | $5.55 | 112,824 | D | F |
| 30 Jan, 2026 | M Scot Roberts | Restricted Stock Units | D | 9,275 | $0.00 | 9,275 | D | M |
| 02 Feb, 2026 | M Scot Roberts | Restricted Stock Units | D | 7,775 | $0.00 | 0 | D | M |
| 30 Jan, 2026 | Vipin K Garg | Common Stock, par value $0.0001 | A | 26,775 | $0.00 | 429,225 | D | M |
| 31 Jan, 2026 | Raymond M Jordt | Common Stock, par value $0.0001 | A | 4,571 | $3.07 | 70,107 | D | A |
| 30 Jan, 2026 | Vipin K Garg | Common Stock, par value $0.0001 | D | 11,632 | $5.60 | 417,593 | D | F |
| 31 Jan, 2026 | Vipin K Garg | Common Stock, par value $0.0001 | A | 6,926 | $3.07 | 424,519 | D | A |
| 30 Jan, 2026 | Vipin K Garg | Restricted Stock Units | D | 26,775 | $0.00 | 26,775 | D | M |
| 27 Jan, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | A | 15,850 | $0.00 | 100,143 | D | M |
| 27 Jan, 2026 | Raymond M Jordt | Common Stock, par value $0.0001 | A | 15,850 | $0.00 | 69,765 | D | M |