ABEO's three largest insider shareholders as of April 17, 2026 are Vishwas Seshadri (Chief Executive Officer, 1.43Mn shares), Vishwas Seshadri (Chief Executive Officer, 1.43Mn shares), Michael Amoroso (Chief Executive Officer, 604.64K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Vishwas Seshadri | Chief Executive Officer | 1,430,423 | 0 | 31 Mar, 2026 |
| Vishwas Seshadri | Chief Executive Officer | 1,430,423 | 0 | 31 Mar, 2026 |
| Michael Amoroso | Chief Executive Officer | 604,637 | 0 | 04 Oct, 2021 |
| Joseph Walter Vazzano | Chief Financial Officer | 567,775 | 0 | 16 Mar, 2026 |
| Joseph Walter Vazzano | Chief Financial Officer | 567,775 | 0 | 16 Mar, 2026 |
| Joseph Walter Vazzano | Chief Financial Officer | 509,041 | 0 | 17 Mar, 2025 |
| Joseph Walter Vazzano | Chief Financial Officer | 509,041 | 0 | 17 Mar, 2025 |
| Brendan M. O'Malley | Svp, Chief Legal Officer | 451,134 | 0 | 22 Jan, 2026 |
| Brendan M. O'Malley | Svp, Chief Legal Officer | 451,134 | 0 | 22 Jan, 2026 |
| Vishwas Seshadri | Chief Executive Officer | 350,000 | 0 | 18 Oct, 2021 |
| Vishwas Seshadri | Chief Executive Officer | 350,000 | 0 | 18 Oct, 2021 |
| Madhav Vasanthavada | Chief Commercial Officer | 318,619 | 0 | 26 Jan, 2026 |
| Madhav Vasanthavada | Chief Commercial Officer | 318,619 | 0 | 26 Jan, 2026 |
| Brendan M. O'Malley | Svp, General Counsel | 280,364 | 0 | 09 Jul, 2024 |
| Brendan M. O'Malley | Svp, General Counsel | 280,364 | 0 | 09 Jul, 2024 |
| Michael Amoroso | - | 217,779 | 0 | 27 Jan, 2026 |
| Faith L. Charles | - | 176,407 | 0 | 27 Jan, 2026 |
| Faith L. Charles | - | 176,407 | 0 | 27 Jan, 2026 |
| Leila Alland | - | 173,614 | 0 | 02 Feb, 2026 |
| Donald A. Wuchterl | - | 167,935 | 0 | 02 Feb, 2026 |
| Donald A. Wuchterl | - | 167,935 | 0 | 02 Feb, 2026 |
| Christine Berni Silverstein | - | 137,722 | 0 | 02 Feb, 2026 |
| Christine Berni Silverstein | - | 137,722 | 0 | 02 Feb, 2026 |
| Bernhardt G Zeiher | - | 84,458 | 0 | 27 Jan, 2026 |
| Bernhardt G Zeiher | - | 84,458 | 0 | 27 Jan, 2026 |
| Mark Alvino | - | 84,065 | 0 | 02 Feb, 2026 |
| Eric Crombez | - | 63,456 | 0 | 02 Feb, 2026 |
| Eric Crombez | - | 63,456 | 0 | 02 Feb, 2026 |
| Keith A. Goldan | - | 32,751 | 0 | 07 Apr, 2026 |
| Todd Wider | - | 16,907 | 0 | 28 Sep, 2022 |
| Paul Elliot Mann | - | 16,907 | 0 | 28 Sep, 2022 |
| Todd Wider | - | 16,907 | 0 | 28 Sep, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Keith A. Goldan | Common Stock | A | 32,751 | $0.00 | 32,751 | D | A |
| 31 Mar, 2026 | Vishwas Seshadri | Common Stock | D | 29,985 | $4.38 | 1,430,423 | D | S |
| 16 Mar, 2026 | Joseph Walter Vazzano | Common Stock | D | 785 | $4.76 | 567,775 | D | S |
| 02 Feb, 2026 | Christine Berni Silverstein | Common Stock | D | 20,070 | $5.09 | 137,722 | D | S |
| 02 Feb, 2026 | Mark Alvino | Common Stock | D | 2,000 | $5.09 | 84,065 | D | S |
| 02 Feb, 2026 | Donald A. Wuchterl | Common Stock | D | 14,814 | $5.09 | 167,935 | D | S |
| 02 Feb, 2026 | Eric Crombez | Common Stock | D | 16,284 | $5.09 | 63,456 | D | S |
| 26 Jan, 2026 | Mark Alvino | Common Stock | A | 37,313 | $0.00 | 86,065 | D | A |
| 26 Jan, 2026 | Christine Berni Silverstein | Common Stock | A | 37,313 | $0.00 | 157,792 | D | A |
| 26 Jan, 2026 | Donald A. Wuchterl | Common Stock | A | 37,313 | $0.00 | 182,749 | D | A |
| 26 Jan, 2026 | Bernhardt G Zeiher | Common Stock | A | 37,313 | $0.00 | 84,458 | D | A |
| 26 Jan, 2026 | Eric Crombez | Common Stock | A | 37,313 | $0.00 | 79,740 | D | A |
| 26 Jan, 2026 | Faith L. Charles | Common Stock | A | 37,313 | $0.00 | 176,407 | D | A |
| 20 Jan, 2026 | Madhav Vasanthavada | Common Stock | A | 76,621 | $0.00 | 331,229 | D | A |
| 22 Jan, 2026 | Madhav Vasanthavada | Common Stock | D | 12,610 | $5.29 | 318,619 | D | S |
| 22 Jan, 2026 | Vishwas Seshadri | Common Stock | D | 69,832 | $5.33 | 1,460,408 | D | S |
| 22 Jan, 2026 | Joseph Walter Vazzano | Common Stock | D | 18,666 | $5.33 | 568,560 | D | S |
| 22 Jan, 2026 | Brendan M. O'Malley | Common Stock | D | 13,578 | $5.33 | 451,134 | D | S |
| 21 Jan, 2026 | Mark Alvino | Common Stock | D | 13,500 | $5.23 | 48,752 | D | S |
| 20 Jan, 2026 | Vishwas Seshadri | Common Stock | A | 365,422 | $0.00 | 1,530,240 | D | A |