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United States Biotechnology & Medical Research

Tenax Therapeutics Inc (TENX)

Track

The most recent insider trading activity occurred on December 9, 2025. Insiders, primarily Chief Medical Officer Rich Stuart and CEO Giordano Christopher Thomas, have been actively purchasing shares. These transactions represent a notable pattern of buying by key executives in the period leading up to the most recent trades.
Stock chart
Ticker: TENX Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Rich Stuart
Chief Medical Officer
1 purchase — total 25,542 USD
Buy 9 Dec 2025
Value US$1,870,640.84 | Price 323.99 | Shares 14,267
Buy 8 Dec 2025
Value US$1,129,687.53 | Price 65.11 | Shares 13,902
Buy 4 Dec 2025
Value US$22,998.00 | Price 9.20 | Shares 2,500
Buy 3 Dec 2025
Value US$13,617.90 | Price 9.08 | Shares 1,500
Buy 2 Dec 2025
Value US$9,005.90 | Price 9.01 | Shares 1,000
Buy 20 Nov 2025
Value US$4,082.72 | Price 7.59 | Shares 538
Buy 19 Nov 2025
Value US$3,416.64 | Price 7.51 | Shares 455
Buy 18 Nov 2025
Value US$12,500.42 | Price 7.75 | Shares 1,612
Buy 18 Nov 2025
Value US$14,279.83 | Price 7.52 | Shares 1,900
Buy 17 Nov 2025
Value US$36,140.00 | Price 7.23 | Shares 5,000
Buy 17 Nov 2025
Value US$7,350.00 | Price 7.35 | Shares 1,000
Buy 17 Nov 2025
Value US$14,674.00 | Price 7.34 | Shares 2,000
Buy 17 Nov 2025
Value US$664.95 | Price 7.15 | Shares 93
Buy 8 Sep 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 8 Sep 2020
Value US$12,472.78 | Price 1.46 | Shares 8,543
Buy 4 Sep 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 4 Sep 2020
Value US$33,074.37 | Price 1.41 | Shares 23,457
Buy 3 Sep 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 3 Sep 2020
Value US$50,040.00 | Price 1.39 | Shares 36,000
Buy 2 Sep 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 2 Sep 2020
Value US$29,400.00 | Price 1.47 | Shares 20,000
Buy 1 Sep 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 1 Sep 2020
Value US$43,800.00 | Price 1.46 | Shares 30,000
Buy 31 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 31 Aug 2020
Value US$29,000.00 | Price 1.45 | Shares 20,000
Buy 27 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 27 Aug 2020
Value US$18,000.00 | Price 1.50 | Shares 12,000
Buy 26 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 26 Aug 2020
Value US$18,000.00 | Price 1.50 | Shares 12,000
Buy 25 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 25 Aug 2020
Value US$26,332.83 | Price 1.53 | Shares 17,211
Buy 24 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 24 Aug 2020
Value US$8,367.24 | Price 1.47 | Shares 5,692
Buy 21 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 21 Aug 2020
Value US$167,388.48 | Price 1.44 | Shares 116,242
Buy 20 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 20 Aug 2020
Value US$190,442.16 | Price 1.53 | Shares 124,472
Buy 19 Aug 2020
Value US$0.00 | Price 0.00 | Shares 0
Buy 19 Aug 2020
Value US$102,612.15 | Price 1.45 | Shares 70,767
Buy 18 May 2020
Value US$4,774.00 | Price 0.95 | Shares 5,000
Buy 18 Dec 2017
Value US$2,881.38 | Price 0.45 | Shares 6,475
Buy 18 Dec 2017
Value US$3,005.70 | Price 0.46 | Shares 6,475
Sale 14 Nov 2017
Value US$5,050.50 | Price 0.39 | Shares 12,950
Buy 23 Nov 2016
Value US$25,430.24 | Price 1.76 | Shares 14,449
Buy 22 Nov 2016
Value US$24,538.47 | Price 1.59 | Shares 15,433
Buy 3 Feb 2016
Value US$36,835.00 | Price 2.65 | Shares 13,900
Buy 2 Feb 2016
Value US$13,668.00 | Price 2.68 | Shares 5,100
Buy 19 Nov 2015
Value US$6,080.00 | Price 3.20 | Shares 1,900
Buy 20 Jan 2015
Value US$6,980.00 | Price 3.49 | Shares 2,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-10 2025-12-09 B Purchase
3.6
Rich Stuart

Chief Medical Officer

Executive Director
14,267 -41.3%
323.99
US$1,870,641 		14,267 -41.3% 323.99 US$1,870,641
2025-12-10 2025-12-08 B Purchase
3.6
Rich Stuart

Chief Medical Officer

Executive Director
13,902 +21.2%
65.11
US$1,129,688 		13,902 +21.2% 65.11 US$1,129,688
2025-12-05 2025-12-04 B Purchase
3.6
Rich Stuart

Chief Medical Officer

Executive Director
43,666 +38.0%
46.86
US$4,712,544 		43,666 +38.0% 46.86 US$4,712,544
2025-12-05 2025-12-03 B Purchase
3.6
Rich Stuart

Chief Medical Officer

Executive Director
1,500 +118.5%
9.08
US$13,618 		1,500 +118.5% 9.08 US$13,618
2025-12-05 2025-12-02 B Purchase
3.6
Rich Stuart

Chief Medical Officer

Executive Director
1,000 +375.9%
9.01
US$9,006 		1,000 +375.9% 9.01 US$9,006
2025-11-20 2025-11-20 B Purchase
3.7
Giordano Christopher Thomas

CEO

Executive Director
538 +26.0%
7.59
US$4,083 		538 +26.0% 7.59 US$4,083
2025-11-20 2025-11-19 B Purchase
3.7
Giordano Christopher Thomas

CEO

Executive Director
455 +28.2%
7.51
US$3,417 		455 +28.2% 7.51 US$3,417
2025-11-20 2025-11-18 B Purchase
3.7
Giordano Christopher Thomas

CEO

Executive Director
1,612 +inf%
7.75
US$12,500 		1,612 +inf% 7.75 US$12,500
2025-11-19 2025-11-18 B Purchase
3.6
Almenoff June Sherie
Non-Executive Director
1,900 +2043.0%
7.52
US$14,280 		1,900 +2043.0% 7.52 US$14,280
2025-11-19 2025-11-17 B Purchase
3.4
MCGAULEY THOMAS

Interim CFO

Officer
5,000 +inf%
7.23
US$36,140 		5,000 +inf% 7.23 US$36,140
2025-11-19 2025-11-17 B Purchase
3.4
MCGAULEY THOMAS

Interim CFO

Officer
1,000 +inf%
7.35
US$7,350 		1,000 +inf% 7.35 US$7,350
2025-11-19 2025-11-17 B Purchase
3.4
MCGAULEY THOMAS

Interim CFO

Officer
2,000 +inf%
7.34
US$14,674 		2,000 +inf% 7.34 US$14,674
2025-11-19 2025-11-17 B Purchase
3.6
Almenoff June Sherie
Non-Executive Director
93 +inf%
7.15
US$665 		93 +inf% 7.15 US$665
2020-09-09 2020-09-08 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-09-09 2020-09-08 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
8,543 +0.4%
1.46
US$12,473 		8,543 +0.4% 1.46 US$12,473
2020-09-09 2020-09-04 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-09-09 2020-09-04 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
23,457 +1.2%
1.41
US$33,074 		23,457 +1.2% 1.41 US$33,074
2020-09-03 2020-09-03 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-09-03 2020-09-03 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
36,000 +1.8%
1.39
US$50,040 		36,000 +1.8% 1.39 US$50,040
2020-09-03 2020-09-02 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-09-03 2020-09-02 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
20,000 +1.0%
1.47
US$29,400 		20,000 +1.0% 1.47 US$29,400
2020-09-03 2020-09-01 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-09-03 2020-09-01 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
30,000 +1.6%
1.46
US$43,800 		30,000 +1.6% 1.46 US$43,800
2020-08-31 2020-08-31 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-31 2020-08-31 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
20,000 +1.1%
1.45
US$29,000 		20,000 +1.1% 1.45 US$29,000
2020-08-31 2020-08-27 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-31 2020-08-27 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
12,000 +0.6%
1.50
US$18,000 		12,000 +0.6% 1.50 US$18,000
2020-08-26 2020-08-26 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-26 2020-08-26 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
12,000 +0.6%
1.50
US$18,000 		12,000 +0.6% 1.50 US$18,000
2020-08-26 2020-08-25 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-26 2020-08-25 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
17,211 +0.9%
1.53
US$26,333 		17,211 +0.9% 1.53 US$26,333
2020-08-26 2020-08-24 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-26 2020-08-24 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Large shareholder
5,692 +0.3%
1.47
US$8,367 		5,692 +0.3% 1.47 US$8,367
2020-08-21 2020-08-21 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-21 2020-08-21 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
116,242 +6.8%
1.44
US$167,388 		116,242 +6.8% 1.44 US$167,388
2020-08-21 2020-08-20 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-21 2020-08-20 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
124,472 +7.8%
1.53
US$190,442 		124,472 +7.8% 1.53 US$190,442
2020-08-21 2020-08-19 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
0
0.00
US$0 		0 0.00 US$0
2020-08-21 2020-08-19 B Purchase
2.5
ARMISTICE CAPITAL, LLC
Non-Executive Director Large shareholder
70,767 +4.6%
1.45
US$102,612 		70,767 +4.6% 1.45 US$102,612
2020-05-19 2020-05-18 B Purchase
3.3
BLANCK RONALD R
Non-Executive Director
5,000 +470.8%
0.95
US$4,774 		5,000 +470.8% 0.95 US$4,774
2017-12-20 2017-12-18 B Purchase BLANCK RONALD R
6,475 +47.5%
0.45
US$2,881 		6,475 +47.5% 0.45 US$2,881
2017-12-20 2017-12-18 B Purchase BLANCK RONALD R
6,475 +90.6%
0.46
US$3,006 		6,475 +90.6% 0.46 US$3,006
2017-11-20 2017-11-14 S Sale BLANCK RONALD R
12,950 -64.4%
0.39
US$5,050 		12,950 -64.4% 0.39 US$5,050
2016-11-29 2016-11-23 B Purchase PROEHL GERALD T Non-Executive Director
14,449 +93.6%
1.76
US$25,430 		14,449 +93.6% 1.76 US$25,430
2016-11-29 2016-11-22 B Purchase PROEHL GERALD T Non-Executive Director
15,433 +inf%
1.59
US$24,538 		15,433 +inf% 1.59 US$24,538
2016-02-19 2016-02-03 B Purchase Mitchum James P. Non-Executive Director
13,900 +272.5%
2.65
US$36,835 		13,900 +272.5% 2.65 US$36,835
2016-02-19 2016-02-02 B Purchase Mitchum James P. Non-Executive Director
5,100 +inf%
2.68
US$13,668 		5,100 +inf% 2.68 US$13,668
2015-11-19 2015-11-19 B Purchase BLANCK RONALD R Non-Executive Director
1,900 +14.7%
3.20
US$6,080 		1,900 +14.7% 3.20 US$6,080
2015-01-20 2015-01-20 B Purchase BLANCK RONALD R Non-Executive Director
2,000 +24.4%
3.49
US$6,980 		2,000 +24.4% 3.49 US$6,980
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