Companies / Tenax Therapeutics, Inc.
Tenax Therapeutics, Inc.
Nasdaq: TENXCIK 34956CHAPEL HILL, NC
Financials · FY2025
Ownership
37.4M shares outstanding · as of Jul 28, 2026
Ownership
| Insiders | 0.03% | 10,000 |
| Institutions | 36.21% | 13,552,485 |
| Public float | 63.76% | 23,861,432 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Staab Thomas R IIChief Financial Officer | 0.03% | 10,000 |
Almenoff June SherieDirector | — | — |
Christopher Thomas GiordanoCEOCEO · Director | — | — |
Davidson Michael H.Director | — | — |
Doogan DeclanDirector | — | — |
Hunter RobynDirector | — | — |
McGauley ThomasInterim CFO | — | — |
Proehl Gerald TDirector | — | — |
Rich StuartChief Medical Officer · Director | — | — |
Institutional holders 55
View all →| Holder | Value | % of shares |
|---|---|---|
| $29.07M | 4.85% | |
| $25.14M | 4.62% | |
| $23.15M | 3.87% | |
| $11.80M | 2.59% | |
| $8.64M | 1.44% | |
| $8.54M | 1.43% | |
| $7.43M | 1.36% | |
| $7.27M | 1.59% | |
| $6.38M | 1.07% | |
| $5.64M | 0.94% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| May 11, 2026 | Staab Thomas R II Executive | Grant | Common Stock | $0 | +10K | 10,000 0.03% of shares | low |
| May 11, 2026 | Staab Thomas R II Executive | Grant | Stock Option (right to buy) | — | +450K | 450,000 1.20% of shares | low |
| Jan 9, 2026 | Christopher Thomas Giordano CEO | Grant | Stock Option (right to buy) | — | +450K | 450,000 1.20% of shares | low |
| Jan 9, 2026 | Rich Stuart Executive | Grant | Stock Option (right to buy) | — | +250K | 250,000 0.67% of shares | low |
| Jan 9, 2026 | Hunter Robyn Director | Grant | Stock Option (right to buy) | — | +30K | 30,000 0.08% of shares | low |
| Jan 9, 2026 | Doogan Declan Director | Grant | Stock Option (right to buy) | — | +30K | 30,000 0.08% of shares | low |
| Jan 9, 2026 | Davidson Michael H. Director | Grant | Stock Option (right to buy) | — | +30K | 30,000 0.08% of shares | low |
| Jan 30, 2026 | McGauley Thomas Executive | Exercise | Stock Option (right to buy) | — | +50K | 50,000 0.13% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Perceptive Advisors LLC | Passive13G/A | — |
| RTW Investments, LP | Passive13G/A | — |
| Point72 Asset Management, L.P. | Passive13G/A | — |
| Venrock Healthcare Capital Partners III, L.P. | Passive13G/A | — |
| Logos Global Management LP | Passive13G | — |
| Lind Global Fund II LP | Passive13G/A | — |
| Dellora Investments Master Fund LP | Passive13G/A | — |
| Biotechnology Value Fund L P | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| TENX | — | 88032L605 |