Onterris's three largest insider shareholders as of August 04, 2026 are Richard E Perlman (Director, 618.62K shares), Jose Revuelta (Chief Strategy Officer, 269.28K shares), Joshua W. Lemaire (Chief Operating Officer, 237.10K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Peter Graham | - | 226,689 | 0 | 05 Jan, 2026 |
| Richard E Perlman | - | 618,616 | 0 | 16 Mar, 2026 |
| De Castro Jose Miguel Fernandez | - | 162,892 | 0 | 05 Jan, 2026 |
| Joshua W. Lemaire | Chief Operating Officer | 237,098 | 0 | 20 Dec, 2021 |
| Janet Risi Field | - | 28,288 | 0 | 05 Jan, 2026 |
| Robin Newmark | - | 29,989 | 0 | 05 Jan, 2026 |
| Jose Revuelta | Chief Strategy Officer | 269,282 | 0 | 11 Mar, 2026 |
| Allan Dicks | Chief Financial Officer | 211,643 | 0 | 19 Dec, 2025 |
| Nasym Afsari | General Counsel And Secretary | 204,878 | 0 | 04 Mar, 2026 |
| Vijay Manthripragada | President Ceo | 236,788 | 0 | 16 Mar, 2026 |
| Vincent Colman | - | 12,426 | 0 | 05 Jan, 2026 |
| James Laws | Chief Operating Officer | 18,761 | 0 | 13 Mar, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Mar, 2026 | Richard E Perlman | Common Stock | D | 74,461 | $0.00 | 618,616 | D | G |
| 13 Mar, 2026 | Vijay Manthripragada | Common Stock | A | 33,166 | $6.03 | 196,917 | D | M |
| 13 Mar, 2026 | Vijay Manthripragada | Common Stock | A | 85,992 | $6.03 | 282,909 | D | M |
| 13 Mar, 2026 | Vijay Manthripragada | Common Stock | D | 46,121 | $25.41 | 236,788 | D | S |
| 13 Mar, 2026 | Vijay Manthripragada | Stock Option (Right to Buy) | D | 33,166 | $0.00 | 85,992 | D | M |
| 13 Mar, 2026 | Vijay Manthripragada | Stock Option (Right to Buy) | D | 85,992 | $0.00 | 0 | D | M |
| 11 Mar, 2026 | James Laws | Common Stock | A | 18,761 | $0.00 | 18,761 | D | A |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | A | 7,858 | $6.03 | 277,140 | D | M |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | A | 60,000 | $6.03 | 329,828 | D | M |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | A | 60,000 | $6.03 | 329,828 | D | M |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | A | 7,858 | $6.03 | 277,140 | D | M |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | A | 7,858 | $6.03 | 277,140 | D | M |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | A | 60,000 | $6.03 | 329,828 | D | M |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | D | 7,858 | $27.00 | 269,282 | D | S |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | D | 7,858 | $27.00 | 269,282 | D | S |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | D | 60,000 | $28.00 | 269,282 | D | S |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | D | 60,000 | $28.00 | 269,282 | D | S |
| 09 Mar, 2026 | Jose Revuelta | Common Stock | D | 7,858 | $27.00 | 269,282 | D | S |
| 03 Mar, 2026 | Jose Revuelta | Common Stock | D | 60,000 | $28.00 | 269,282 | D | S |
| 04 Mar, 2026 | Jose Revuelta | Common Stock | A | 42,668 | $6.03 | 311,950 | D | M |