Based on data from the past 90 days ending December 12, 2025, Tenax Therapeutics's three largest insider shareholders are Interim Cfo Thomas Mcgauley (7.00K shares), Chief Medical Officer Stuart Rich (5.27K shares), Director June Sherie Almenoff (3.99K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Declan Doogan | 28 | 12 Aug, 2022 | |
| Stuart Rich | Chief Medical Officer | 10,266 | 10 Dec, 2025 |
| Thomas Mcgauley | Interim Cfo | 7,000 | 19 Nov, 2025 |
| June Sherie Almenoff | 3,986 | 19 Nov, 2025 | |
| Michael H. Davidson | 2,881 | 08 Aug, 2024 | |
| Christopher Thomas Giordano | CEO | 2,605 | 20 Nov, 2025 |
| Gerald T Proehl | 1,667 | 08 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 |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 19 Nov, 2025 | Christopher Thomas Giordano | Common Stock | A | 455 | $7.51 | 2,067 | D | 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 |
| 17 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 93 | $7.15 | 93 | I | P |
| 17 Nov, 2025 | Thomas Mcgauley | Common Stock | A | 1,000 | $7.35 | 1,000 | I | P |
| 18 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 1,900 | $7.52 | 1,993 | D | P |
| 18 Nov, 2025 | June Sherie Almenoff | Common Stock | A | 1,900 | $7.52 | 1,993 | I | P |
| 17 Nov, 2025 | Thomas Mcgauley | Common Stock | A | 5,000 | $7.23 | 5,000 | I | P |
| 08 Aug, 2024 | Michael H. Davidson | - | - | 2,881 | D | |||
| 08 Aug, 2024 | Michael H. Davidson | Common Stock | A | 2,500 | - | 2,881 | D | P |
| 08 Aug, 2024 | Gerald T Proehl | Common Stock | A | 1,666 | - | 1,667 | D | P |
| 21 Sep, 2022 | Stuart Rich | Common Stock | D | 1,909,585 | $0.00 | 3 | D | G |
| 21 Sep, 2022 | Stuart Rich | - | - | 3 | D |