Tenax Therapeutics, Inc. (TENX) Insider Ownership

Historic Insider Ownership Trends

As of March 23, 2026, Tenax Therapeutics's top three insider holders are Declan Doogan (Director, 3.64Mn shares), Stuart Rich (Chief Medical Officer, 10.27K shares), Thomas Mcgauley (Interim Cfo, 7.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Declan Doogan 3,637,871 0 12 Aug, 2022
Stuart Rich Chief Medical Officer 5,266 5,000 10 Dec, 2025
Thomas Mcgauley Interim Cfo 2,000 5,000 19 Nov, 2025
Michael H. Davidson 2,881 0 08 Aug, 2024
Christopher Thomas Giordano Ceo 2,605 0 20 Nov, 2025
June Sherie Almenoff 0 1,993 20 Nov, 2025
June Sherie Almenoff 1,993 0 19 Nov, 2025
Gerald T Proehl 1,667 0 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
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 Gerald T Proehl Stock Option (right to buy) A 3,000 $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 Christopher Thomas Giordano Stock Option (right to buy) A 450,000 $0.00 450,000 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 Michael H. Davidson 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
17 Nov, 2025 June Sherie Almenoff Common Stock A 93 $7.15 93 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
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