United States Biotechnology & Medical Research

Tenax Therapeutics Inc (TENX)

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Tenax Therapeutics experienced multiple insider purchases between November 17 and December 9, 2025. Key executives, including the Chief Medical Officer, CEO, and Interim CFO, acquired shares during this period. These transactions represent the most recent activity, reflecting consistent buying patterns from leadership throughout late autumn and early winter.
Ticker: TENX Exchange: NAS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Tenax Therapeutics Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
Rich Stuart Chief Medical Officer Executive Director
Transaction date
Purchase
Price
323.99
Quantity 14,267 -41.3%
Value US$1,870,641
3.6
Rich Stuart Chief Medical Officer Executive Director
Transaction date
Purchase
Price
65.11
Quantity 13,902 +21.2%
Value US$1,129,688
3.6
Rich Stuart Chief Medical Officer Executive Director
Transaction date
Purchase
Price
46.86
Quantity 43,666 +38.0%
Value US$4,712,544
3.6
Rich Stuart Chief Medical Officer Executive Director
Transaction date
Purchase
Price
9.08
Quantity 1,500 +118.5%
Value US$13,618
3.6
Rich Stuart Chief Medical Officer Executive Director
Transaction date
Purchase
Price
9.01
Quantity 1,000 +375.9%
Value US$9,006
3.6
Almenoff June Sherie Non-Executive Director
Transaction date
Purchase
Price
7.52
Quantity 1,900 +2043.0%
Value US$14,280
3.4
MCGAULEY THOMAS Interim CFO Officer
Transaction date
Purchase
Price
7.23
Quantity 5,000 +inf%
Value US$36,140
3.4
MCGAULEY THOMAS Interim CFO Officer
Transaction date
Purchase
Price
7.35
Quantity 1,000 +inf%
Value US$7,350
3.4
MCGAULEY THOMAS Interim CFO Officer
Transaction date
Purchase
Price
7.34
Quantity 2,000 +inf%
Value US$14,674
3.6
Almenoff June Sherie Non-Executive Director
Transaction date
Purchase
Price
7.15
Quantity 93 +inf%
Value US$665
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.46
Quantity 8,543 +0.4%
Value US$12,473
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.41
Quantity 23,457 +1.2%
Value US$33,074
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.39
Quantity 36,000 +1.8%
Value US$50,040
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.47
Quantity 20,000 +1.0%
Value US$29,400
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.46
Quantity 30,000 +1.6%
Value US$43,800
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.45
Quantity 20,000 +1.1%
Value US$29,000
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.50
Quantity 12,000 +0.6%
Value US$18,000
2.5
ARMISTICE CAPITAL, LLC Large shareholder
Transaction date
Purchase
Price
1.50
Quantity 12,000 +0.6%
Value US$18,000
2.5
ARMISTICE CAPITAL, LLC Large shareholder
Transaction date
Purchase
Price
1.53
Quantity 17,211 +0.9%
Value US$26,333
2.5
ARMISTICE CAPITAL, LLC Large shareholder
Transaction date
Purchase
Price
1.47
Quantity 5,692 +0.3%
Value US$8,367
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.44
Quantity 116,242 +6.8%
Value US$167,388
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.53
Quantity 124,472 +7.8%
Value US$190,442
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
0.00
Quantity 0
Value US$0
2.5
ARMISTICE CAPITAL, LLC Non-Executive Director Large shareholder
Transaction date
Purchase
Price
1.45
Quantity 70,767 +4.6%
Value US$102,612
3.3
BLANCK RONALD R Non-Executive Director
Transaction date
Purchase
Price
0.95
Quantity 5,000 +470.8%
Value US$4,774
BLANCK RONALD R
Transaction date
Purchase
Price
0.45
Quantity 6,475 +47.5%
Value US$2,881
BLANCK RONALD R
Transaction date
Purchase
Price
0.46
Quantity 6,475 +90.6%
Value US$3,006
BLANCK RONALD R
Transaction date
Sale
Price
0.39
Quantity 12,950 -64.4%
Value US$5,050
PROEHL GERALD T Non-Executive Director
Transaction date
Purchase
Price
1.76
Quantity 14,449 +93.6%
Value US$25,430
PROEHL GERALD T Non-Executive Director
Transaction date
Purchase
Price
1.59
Quantity 15,433 +inf%
Value US$24,538
Mitchum James P. Non-Executive Director
Transaction date
Purchase
Price
2.65
Quantity 13,900 +272.5%
Value US$36,835
Mitchum James P. Non-Executive Director
Transaction date
Purchase
Price
2.68
Quantity 5,100 +inf%
Value US$13,668
BLANCK RONALD R Non-Executive Director
Transaction date
Purchase
Price
3.20
Quantity 1,900 +14.7%
Value US$6,080
BLANCK RONALD R Non-Executive Director
Transaction date
Purchase
Price
3.49
Quantity 2,000 +24.4%
Value US$6,980
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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