Last 12 months
Inside the activity.
26 purchase rows · 0 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 10 | 0 |
| Dec 2025 | 5 | 0 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 4 | 0 |
| Sep 2026 | 7 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| December 29, 2017 Filed Jan 2, 2018 18:51 UTC | Disposition to issuercommon stock | 98 | $0.43 | $42.14 |
DisclosureSEC source: 0001481436-18-000001 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,264 Read SEC document |
|
| December 18, 2017 Filed Dec 20, 2017 14:50 UTC |
BLANCK RONALD RDirector
|
PurchaseCommon Stock | 6,475 | $0.45 | $2,881.38 |
DisclosureSEC source: 0001654954-17-011773 · section16.xml · nonDerivative · entry 2 BLANCK RONALD R · CIK 0001252491 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 20,099 Read SEC document |
| December 18, 2017 Filed Dec 20, 2017 14:50 UTC |
BLANCK RONALD RDirector
|
PurchaseCommon Stock | 6,475 | $0.46 | $3,005.70 |
DisclosureSEC source: 0001654954-17-011773 · section16.xml · nonDerivative · entry 1 BLANCK RONALD R · CIK 0001252491 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 13,624 Read SEC document |
| November 14, 2017 Filed Nov 20, 2017 17:20 UTC |
BLANCK RONALD RDirector
|
SaleCommon Stock | 12,950 | $0.39 | $5,050.50 |
DisclosureSEC source: 0001654954-17-010896 · section16.xml · nonDerivative · entry 1 BLANCK RONALD R · CIK 0001252491 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 7,149 Read SEC document |
| July 31, 2017 Filed Jul 31, 2017 14:46 UTC | Disposition to issuercommon stock | 54 | $0.65 | $35.10 |
DisclosureSEC source: 0001481436-17-000002 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,146 Read SEC document |
|
| April 15, 2017 Filed Apr 18, 2017 12:24 UTC | Disposition to issuercommon stock | 56 | $0.54 | $30.24 |
DisclosureSEC source: 0001481436-17-000001 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,200 Read SEC document |
|
| April 03, 2017 Filed Apr 5, 2017 22:30 UTC |
Jebsen Michael BInterim CEO, President and CFO
|
GrantStock Option (right to buy) · Derivative | 200,000 | $0.00 Strike: $0.53 | $0.00 |
DisclosureSEC source: 0001654954-17-003111 · section16.xml · derivative · entry 1 Jebsen Michael B · CIK 0001481436 · Interim CEO, President and CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 200,000 Underlying: Common Stock · 200,000 shares Expires 2027-04-03 F1 · derivative.exercise_date: This option vests and becomes exercisable in four equal annual installments beginning on April 3, 2018, however, the vesting of the option will accelerate and become fully vested upon the achievement of specified performance goals. Read SEC document |
| March 15, 2017 Filed Mar 20, 2017 23:29 UTC |
Kelley John PDirector · Chief Executive Officer
|
Tax withholdingCommon Stock | 96,999 | $0.68 | $65,959.32 |
DisclosureSEC source: 0001354488-17-000426 · issuerdirect_section16.xml · nonDerivative · entry 2 Kelley John P · CIK 0001310470 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,282,932 F2 · shares: Represents shares withheld in satisfaction of tax withholding obligations. Read SEC document |
| March 15, 2017 Filed Mar 20, 2017 23:29 UTC |
Kelley John PDirector · Chief Executive Officer
|
GrantCommon Stock | 213,420 | $0.00 | $0.00 |
DisclosureSEC source: 0001354488-17-000426 · issuerdirect_section16.xml · nonDerivative · entry 1 Kelley John P · CIK 0001310470 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 1,379,931 F1 · shares: Represents shares of common stock issued as payment of a portion of Mr. Kelley's bonus set forth in his employment agreement. Read SEC document |
| December 19, 2016 Filed Dec 20, 2016 15:12 UTC | Disposition to issuercommon stock | 49 | $2.07 | $101.43 |
DisclosureSEC source: 0001185945-16-000006 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,256 Read SEC document |
|
| December 15, 2016 Filed Dec 20, 2016 20:15 UTC |
Jebsen Michael BChief Financial Officer
|
GrantStock Option (right to buy) · Derivative | 150,000 | $0.00 Strike: $2.07 | $0.00 |
DisclosureSEC source: 0001354488-16-008686 · issuerdirect_section16.xml · derivative · entry 1 Jebsen Michael B · CIK 0001481436 · Chief Financial Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 150,000 Underlying: Common Stock · 150,000 shares Expires 2026-12-15 F1 · derivative.exercise_date: This option vests and becomes exercisable in four equal annual installments beginning on December 15, 2017. Read SEC document |
| December 15, 2016 Filed Dec 20, 2016 20:13 UTC |
Kelley John PDirector · Chief Executive Officer
|
GrantStock Option (right to buy) · Derivative | 120,000 | $0.00 Strike: $2.07 | $0.00 |
DisclosureSEC source: 0001354488-16-008683 · issuerdirect_section16.xml · derivative · entry 1 Kelley John P · CIK 0001310470 · Director · Chief Executive Officer 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 120,000 Underlying: Common Stock · 120,000 shares Expires 2026-12-15 F1 · derivative.exercise_date: This option vests and becomes exercisable in four equal annual installments beginning on December 15, 2017. Read SEC document |
| November 23, 2016 Filed Nov 29, 2016 20:55 UTC |
PROEHL GERALD TDirector
|
PurchaseCommon Stock | 14,449 | $1.76 | $25,430.24 |
DisclosureSEC source: 0001354488-16-008600 · issuerdirect_section16.xml · nonDerivative · entry 2 PROEHL GERALD T · CIK 0001279191 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 29,882 F2 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.73 to $1.79. Read SEC document |
| November 22, 2016 Filed Nov 29, 2016 20:55 UTC |
PROEHL GERALD TDirector
|
PurchaseCommon Stock | 15,433 | $1.59 | $24,538.47 |
DisclosureSEC source: 0001354488-16-008600 · issuerdirect_section16.xml · nonDerivative · entry 1 PROEHL GERALD T · CIK 0001279191 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 15,433 F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.52 to $1.65. The reporting person undertakes to provide to Tenax Therapeutics, Inc. (the "Company"), any security holder of the Company, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4. Read SEC document |
| November 21, 2016 Filed Nov 22, 2016 16:31 UTC |
Mitchum James P.Director
|
Disposition to issuercommon stock | 7,000 | $1.51 | $10,570.00 |
DisclosureSEC source: 0001185945-16-000005 · primary_doc.xml · nonDerivative · entry 1 Mitchum James P. · CIK 0001597439 · Director 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 26,000 Read SEC document |
| September 30, 2016 Filed Oct 20, 2016 14:45 UTC | Disposition to issuercommon stock | 49 | $2.32 | $113.68 |
DisclosureSEC source: 0001185945-16-000004 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,305 Read SEC document |
|
| June 01, 2016 Filed Oct 20, 2016 14:41 UTC | Disposition to issuercommon stock | 55 | $2.72 | $149.60 |
DisclosureSEC source: 0001185945-16-000003 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,354 Read SEC document |
|
| May 01, 2016 Filed Oct 20, 2016 14:05 UTC | Grantcommon stock | 430 | $2.72 | $1,169.60 |
DisclosureSEC source: 0001185945-16-000002 · primary_doc.xml · nonDerivative · entry 1 Jebsen Michael B · CIK 0001481436 · CFO 10b5-1 filing: Not disclosed Ownership: Direct Disclosed balance after: 68,409 Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.