Oxygen Biotherapeutics Inc

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Oxygen Biotherapeutics Inc
TickerTENX
CIK #0000034956
CUSIP88032L605
SectorTrade & Services - Services-Commercial Physical & Biological Research
AddressOne Copley Parkway Suite 490, Morrisville, NC 27560
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Tenax Therapeutics Inc 2024-08-23 99.7 M Exemption: 506(b) · Remaining: $75,318,824 · Duration: One year or less · Commission: $6,830,870 · Revenue: Decline to Disclose
Oxygen Biotherapeutics Inc 2013-11-29 6.6 M Exemption: 506(b) · Duration: One year or less · Revenue: $1,000,001 - $5,000,000
CIK Filing 2011 - 2026
[0000034956] 10-K
[0000034956] 10-Q
[0000034956] 3
[0000034956] 4
[0000034956] 8-K
[0000034956] D
[0000034956] SC 13D
[0000034956] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
FMR LLC Tenax Therapeutics Inc [2026-07-08] 0.0
Millennium Management LLC Tenax Therapeutics Inc [2026-05-20] 0.0
Giordano Christopher Thomas Tenax Therapeutics Inc [2026-03-10] 0.0
Logos Global Management LP Tenax Therapeutics Inc [2026-03-09] 0.0
Morgan Stanley Tenax Therapeutics Inc [2026-02-12] 0.0
Perceptive Advisors LLC Tenax Therapeutics Inc [2025-12-23] 0.0
Janus Henderson Group PLC Tenax Therapeutics Inc [2025-12-08] 0.0
Vestal Point Capital LP Tenax Therapeutics Inc [2025-11-14] 0.0
Point72 Asset Management LP Tenax Therapeutics Inc [2025-10-29] 0.0
Ikarian Capital LLC Tenax Therapeutics Inc [2025-10-07] 0.0
Invus Global Management LLC Tenax Therapeutics Inc [2025-10-02] 0.0
Integrated Core Strategies US LLC Tenax Therapeutics Inc [2025-06-30] 0.0
RTW Investments LP Tenax Therapeutics Inc [2025-05-15] 0.0
Dellora Investments LP Tenax Therapeutics Inc [2024-12-05] 0.0
Lind Global Fund II LP Tenax Therapeutics Inc [2024-11-14] 9.9
Adage Capital Management LP Tenax Therapeutics Inc [2024-11-12] 0.99
Price T Rowe Associates Inc /MD/ Tenax Therapeutics Inc [2024-09-10] 19.99
Venrock Healthcare Capital Partners III LP Tenax Therapeutics Inc [2024-08-19] 0.99
Biotechnology Value Fund L P Tenax Therapeutics Inc [2024-08-19] 5.3
Stonepine Capital Management LLC Tenax Therapeutics Inc [2024-08-15] 0.99
Vivo Opportunity Fund Holdings LP Tenax Therapeutics Inc [2024-08-14] 9.99
Janus Henderson Group PLC Tenax Therapeutics Inc [2024-08-14] 0.9
SHN Financial Investments Ltd Tenax Therapeutics Inc [2024-02-20] 5.6
CVI Investments Inc Tenax Therapeutics Inc [2024-02-16] 0.9
Lind Global Fund II LP Tenax Therapeutics Inc [2024-02-15] 9.9
Intracoastal Capital LLC Tenax Therapeutics Inc [2023-02-13] 4.99
Armistice Capital LLC Tenax Therapeutics Inc [2022-06-21] 0.99
Rich Stuart Tenax Therapeutics Inc [2021-06-22] 0.0
Doogan Declan Tenax Therapeutics Inc [2021-06-22] 14.44
Armistice Capital LLC Tenax Therapeutics Inc [2020-07-16] 19.99
Binsalamah Ziyad Tenax Therapeutics Inc [2020-05-18] 5.1
Armistice Capital LLC Tenax Therapeutics Inc [2020-03-23] 5.6
BlackRock Inc Tenax Therapeutics Inc [2020-02-07] 8.9
Renaissance Technologies LLC Tenax Therapeutics Inc [2019-02-12] 5.46
Hudson Bay Capital Management LP Tenax Therapeutics Inc [2019-02-05] 0.99
Iroquois Capital Management LLC Tenax Therapeutics Inc [2018-12-14] 0.99
RA Capital Management LLC Tenax Therapeutics Inc [2014-09-26] 8.1
Broadfin Capital LLC Oxygen Biotherapeutics Inc [2014-06-11] 5.45
HealthCor Management LP Oxygen Biotherapeutics Inc [2014-03-28] 5.39
Great Point Partners LLC Oxygen Biotherapeutics Inc [2014-03-28] 7.19
Sabby Management LLC Oxygen Biotherapeutics Inc [2014-03-18] 7.43
Form 3/4/5 Filer 2011 - 2026
Tenax Therapeutics Inc
Staab Thomas R II
McGauley Thomas
Davidson Michael H
Doogan Declan
Hunter Robyn
Giordano Christopher Thomas
Almenoff June Sherie
Proehl Gerald T
Rich Stuart
Dellora Investments LP
Hoffman Lawrence R
Armistice Capital Master Fund Ltd
Boyd Steven
Armistice Capital LLC
Lurier Eliot M
DiTonno Anthony A
Mitchum James P
Jebsen Michael B
Maher Illya Keith
Rallis Chris A
Blanck Ronald R
Kelley John P
Chatfield William A
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
McGauley Thomas
Stock Option (right to buy) · derivative
2026-01-30 Option exercise 50,000 $0.00
Davidson Michael H
Stock Option (right to buy) · derivative
2026-01-09 Grant 30,000 $0.00
Rich Stuart
Stock Option (right to buy) · derivative
2026-01-09 Grant 250,000 $0.00
Proehl Gerald T
Stock Option (right to buy) · derivative
2026-01-09 Grant 3,000 $0.00
Almenoff June Sherie
Stock Option (right to buy) · derivative
2026-01-09 Grant 30,000 $0.00
Doogan Declan
Stock Option (right to buy) · derivative
2026-01-09 Grant 30,000 $0.00
Hunter Robyn
Stock Option (right to buy) · derivative
2026-01-09 Grant 30,000 $0.00
Giordano Christopher Thomas
Stock Option (right to buy) · derivative
2026-01-09 Grant 450,000 $0.00
Rich Stuart
Common Stock
2025-12-09 Buy 2,500 $10.22 25,550
Rich Stuart
Common Stock
2025-12-08 Buy 2,500 $10.10 25,250
Rich Stuart
Common Stock
2025-12-04 Buy 2,500 $9.20 23,000
Rich Stuart
Common Stock
2025-12-03 Buy 1,500 $9.08 13,620
Rich Stuart
Common Stock
2025-12-02 Buy 1,000 $9.01 9,010
Giordano Christopher Thomas
Common Stock
2025-11-20 Buy 538 $7.59 4,083
Giordano Christopher Thomas
Common Stock
2025-11-19 Buy 455 $7.51 3,417
Common Stock
2025-11-18 Buy 1,900 $7.52 14,288
Almenoff June Sherie
Common Stock
2025-11-18 Buy 1,900 $7.52 14,288
Giordano Christopher Thomas
Common Stock
2025-11-18 Buy 1,612 $7.75 12,493
McGauley Thomas
Common Stock
2025-11-17 Buy 5,000 $7.23 36,150
McGauley Thomas
Common Stock
2025-11-17 Buy 1,000 $7.35 7,350
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 80 18,838,024
2025-12-31 48 6,961,351
2025-09-30 34 4,720,738
2025-06-30 27 2,231,972
2025-03-31 24 2,006,422
2024-12-31 22 1,362,190
2024-09-30 20 1,228,920
2024-06-30 12 18,830
2024-03-31 10 7,755
2017-12-31 30 3,007,466
2017-09-30 24 2,899,729
2017-06-30 28 1,850,998
Form 13F Holdings
Firm Period DFND Voting Shares
Diversified Trust Co [2026-06-30] SOLE 0 10,022
Union Bancaire Privee UBP SA [2026-06-30] DFND 1 1
Physician Wealth Advisors Inc [2026-06-30] SOLE 0 1
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