Tenax Therapeutics's top three insider shareholders as of May 30, 2026 are Declan Doogan (Director, 3.64Mn shares), Stuart Rich (Chief Medical Officer, 1.91Mn shares), Stuart Rich (Chief Medical Officer, 1.91Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Gerald T Proehl | - | 1,667 | 0 | 08 Aug, 2024 |
| June Sherie Almenoff | - | 0 | 1,993 | 20 Nov, 2025 |
| Thomas Mcgauley | Interim Cfo | 2,000 | 6,000 | 19 Nov, 2025 |
| Michael H. Davidson | - | 2,881 | 0 | 08 Aug, 2024 |
| Declan Doogan | - | 3,637,871 | 0 | 12 Aug, 2022 |
| Stuart Rich | Chief Medical Officer | 0 | 1,909,585 | 06 Dec, 2021 |
| Christopher Thomas Giordano | Ceo | 2,605 | 0 | 20 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 30 Jan, 2026 | Thomas Mcgauley | Stock Option (right to buy) | A | 50,000 | $0.00 | 50,000 | D | M |
| 09 Jan, 2026 | Robyn Hunter | Stock Option (right to buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 09 Jan, 2026 | Christopher Thomas Giordano | Stock Option (right to buy) | A | 450,000 | $0.00 | 450,000 | D | A |
| 09 Jan, 2026 | Gerald T Proehl | Stock Option (right to buy) | A | 3,000 | $0.00 | 30,000 | D | A |
| 09 Jan, 2026 | Michael H. Davidson | Stock Option (right to buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 09 Jan, 2026 | Declan Doogan | Stock Option (right to buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 09 Jan, 2026 | June Sherie Almenoff | Stock Option (right to buy) | A | 30,000 | $0.00 | 30,000 | D | A |
| 09 Jan, 2026 | Stuart Rich | Stock Option (right to buy) | A | 250,000 | $0.00 | 250,000 | D | A |
| 08 Dec, 2025 | Stuart Rich | Common Stock | A | 2,500 | $10.10 | 5,000 | I | P |
| 09 Dec, 2025 | Stuart Rich | Common Stock | A | 2,500 | $10.22 | 5,266 | D | P |
| 02 Dec, 2025 | Stuart Rich | Common Stock | A | 1,000 | $9.01 | 1,266 | D | P |
| 03 Dec, 2025 | Stuart Rich | Common Stock | A | 1,500 | $9.08 | 2,766 | D | P |
| 04 Dec, 2025 | Stuart Rich | Common Stock | A | 2,500 | $9.20 | 2,500 | I | P |
| 18 Nov, 2025 | Christopher Thomas Giordano | Common Stock | A | 1,612 | $7.75 | 1,612 | D | P |
| 17 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 93 | $7.15 | 93 | I | P |
| 19 Nov, 2025 | Christopher Thomas Giordano | Common Stock | A | 455 | $7.51 | 2,067 | D | P |
| 18 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 1,900 | $7.52 | 1,993 | I | P |
| 20 Nov, 2025 | Christopher Thomas Giordano | Common Stock | A | 538 | $7.59 | 2,605 | D | P |
| 17 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 93 | $7.15 | 93 | D | P |
| 17 Nov, 2025 | Thomas Mcgauley | Common Stock | A | 2,000 | $7.34 | 2,000 | D | P |