ALT's three largest insider shareholders as of May 30, 2026 are M Scot Roberts (Chief Scientific Officer, 112.82K shares), Raymond M Jordt (Chief Business Officer, 70.11K shares), Gregory L Weaver (Chief Financial Officer, 38.08K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Gregory L Weaver | Chief Financial Officer | 38,078 | 0 | 01 Apr, 2026 |
| John Gill | - | 21,700 | 0 | 06 Apr, 2026 |
| Catherine A. Sohn | - | 1,500 | 0 | 05 Jan, 2026 |
| Klaus Schafer | - | 9,179 | 0 | 22 Jun, 2022 |
| M Scot Roberts | Chief Scientific Officer | 112,824 | 0 | 03 Feb, 2026 |
| Matthew Scott Harris | Chief Medical Officer | 16,087 | 0 | 04 Aug, 2025 |
| Raymond M Jordt | Chief Business Officer | 70,107 | 0 | 02 Feb, 2026 |
| Andrew Shutterly | Acting Chief Financial Officer | 11,372 | 0 | 01 Aug, 2024 |
* 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 Apr, 2026 | John Gill | Common Stock, par value $0.0001 | A | 9,200 | $3.41 | 21,700 | D | P |
| 01 Apr, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 10,000 | $3.15 | 38,078 | D | P |
| 01 Apr, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 10,000 | $3.15 | 38,078 | D | P |
| 01 Apr, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 10,000 | $3.15 | 38,078 | D | P |
| 06 Mar, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 5,000 | $3.54 | 28,078 | D | P |
| 06 Mar, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 5,000 | $3.54 | 28,078 | D | P |
| 06 Mar, 2026 | Gregory L Weaver | Common Stock, par value $0.0001 | A | 5,000 | $3.54 | 28,078 | D | P |
| 26 Feb, 2026 | Gregory L Weaver | Stock Options (option to buy) | A | 259,000 | $0.00 | 259,000 | 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 | Stock Options (option to buy) | A | 222,670 | $0.00 | 222,670 | D | A |
| 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 | Stock Options (option to buy) | A | 222,670 | $0.00 | 222,670 | 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 |
| 26 Feb, 2026 | Gregory L Weaver | Restricted Stock Units | A | 111,000 | $0.00 | 111,000 | 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 |
| 26 Feb, 2026 | M Scot Roberts | Restricted Stock Units | A | 95,430 | $0.00 | 95,430 | D | A |
| 30 Jan, 2026 | M Scot Roberts | Common Stock, par value $0.0001 | A | 9,275 | $0.00 | 104,670 | D | M |