5 insiders reported 16 Form 4 transactions for TENAX THERAPEUTICS, INC. (TENX) over the past 18 months (most recent 2026-05-13). Recent activity: STAAB THOMAS R II (Chief Financial Officer) Buy 10,000 shares, Rich Stuart (Chief Medical Officer) Buy 2,500 shares, Rich Stuart (Chief Medical Officer) Buy 2,500 shares, Rich Stuart (Chief Medical Officer) Buy 1,000 shares, Rich Stuart (Chief Medical Officer) Buy 1,500 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-13 | STAAB THOMAS R II | Chief Financial Officer | Buy | 10,000 | $0 |
| 2025-12-10 | Rich Stuart | Chief Medical Officer | Buy | 2,500 | $25,250 |
| 2025-12-10 | Rich Stuart | Chief Medical Officer | Buy | 2,500 | $25,550 |
| 2025-12-05 | Rich Stuart | Chief Medical Officer | Buy | 1,000 | $9,010 |
| 2025-12-05 | Rich Stuart | Chief Medical Officer | Buy | 1,500 | $13,620 |
| 2025-12-05 | Rich Stuart | Chief Medical Officer | Buy | 2,500 | $23,000 |
| 2025-11-20 | Giordano Christopher Thomas | CEO | Buy | 455 | $3,417 |
| 2025-11-20 | Giordano Christopher Thomas | CEO | Buy | 1,612 | $12,493 |
| 2025-11-20 | Giordano Christopher Thomas | CEO | Buy | 538 | $4,083 |
| 2025-11-20 | Almenoff June Sherie | Director | Buy | 93 | $665 |
| 2025-11-20 | Almenoff June Sherie | Director | Buy | 1,900 | $14,288 |
| 2025-11-19 | MCGAULEY THOMAS | Interim CFO | Buy | 2,000 | $14,680 |
| 2025-11-19 | MCGAULEY THOMAS | Interim CFO | Buy | 1,000 | $7,350 |
| 2025-11-19 | MCGAULEY THOMAS | Interim CFO | Buy | 5,000 | $36,150 |
| 2025-11-19 | Almenoff June Sherie | Director | Buy | 93 | $665 |
| 2025-11-19 | Almenoff June Sherie | Director | Buy | 1,900 | $14,288 |
Source: SEC Form 4 filings · as of 2026-05-13