A business in context

TENX research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-08-31 · 0001940272-26-000019

  2. 4 · Ownership change

    Report date 2026-08-20 · 0001940272-26-000017

  3. 8-K · Current report

    Report date 2026-08-10 · 0001193125-26-341236 · Items 8.01,9.01

  4. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001193125-26-327455

  5. 8-K · Current report

    Report date 2026-07-31 · 0001193125-26-326784 · Items 2.02,9.01

  6. 4 · Ownership change

    Report date 2026-07-13 · 0001193125-26-303600

  7. 8-K · Current report

    Report date 2026-07-02 · 0001193125-26-293485 · Items 8.01,9.01

  8. 8-K · Current report

    Report date 2026-06-29 · 0001193125-26-290661 · Items 1.01,9.01

  9. 8-K · Current report

    Report date 2026-06-26 · 0001193125-26-288600 · Items 5.02,8.01,9.01

  10. 8-K · Current report

    Report date 2026-06-02 · 0001193125-26-257400 · Items 5.07

  11. 4 · Ownership change

    Report date 2026-05-11 · 0001193125-26-221926

  12. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001193125-26-219383

  13. 8-K · Current report

    Report date 2026-05-12 · 0001193125-26-218224 · Items 2.02,9.01

  14. DEF 14A · Proxy statement

    Report date 2026-04-17 · 0001193125-26-168580

  15. 8-K · Current report

    Report date 2026-04-22 · 0001193125-26-168521 · Items 5.02,8.01,9.01

  16. 8-K · Current report

    Report date 2026-03-10 · 0001654954-26-002072 · Items 2.02,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001193125-26-099393

  18. 4 · Ownership change

    Report date 2026-01-30 · 0001550701-26-000001

  19. 4 · Ownership change

    Report date 2026-01-09 · 0001871714-26-000001

  20. 4 · Ownership change

    Report date 2026-01-09 · 0001841785-26-000001

  21. 4 · Ownership change

    Report date 2026-01-09 · 0001713932-26-000001

  22. 8-K · Current report

    Report date 2026-01-06 · 0001654954-26-000232 · Items 5.02,9.01

  23. 8-K · Current report

    Report date 2025-12-17 · 0001654954-25-014059 · Items 8.01,9.01

  24. 8-K · Current report

    Report date 2025-11-12 · 0001654954-25-012921 · Items 2.02,9.01

  25. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001193125-25-277793

  26. 8-K · Current report

    Report date 2025-09-16 · 0001654954-25-010792 · Items 8.01,9.01

  27. 8-K · Current report

    Report date 2025-09-03 · 0001654954-25-010510 · Items 1.01,9.01

  28. 8-K · Current report

    Report date 2025-08-13 · 0001654954-25-009510 · Items 2.02,9.01

  29. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000950170-25-108063

  30. 8-K · Current report

    Report date 2025-06-11 · 0001654954-25-007104 · Items 5.03,5.07,9.01

  31. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-071395

  32. 8-K · Current report

    Report date 2025-05-14 · 0000950170-25-071382 · Items 2.02,9.01

  33. DEF 14A · Proxy statement

    Report date 2025-04-24 · 0000950170-25-058329

  34. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-044398

  35. 8-K · Current report

    Report date 2025-03-25 · 0000950170-25-044375 · Items 2.02,9.01

  36. 8-K · Current report

    Report date 2025-03-04 · 0001654954-25-002385 · Items 1.01,3.02,8.01,9.01

  37. 8-K · Current report

    Report date 2024-12-02 · 0001654954-24-015161 · Items 5.02,9.01

  38. SC 13G/A · Ownership disclosure

    0001274173-24-000120

  39. SC 13G/A · Ownership disclosure

    0001104659-24-118640

  40. SC 13G · Ownership disclosure

    0000929638-24-003915

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 2 transaction rows2AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

2 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-05-11
2026-05-13
STAAB THOMAS R IIA · Grant / award
Acquired
Common Stock10000.00.0
2026-05-11
2026-05-13
STAAB THOMAS R IIA · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
450000.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0000034956TENAX THERAPEUTICS, INC.

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names
  • OXYGEN BIOTHERAPEUTICS, INC. · former SEC name · 2008-07-30 to 2014-09-15
  • SYNTHETIC BLOOD INTERNATIONAL INC · former SEC name · 1996-08-02 to 2008-06-30

Revenue in constant purchasing power

USD revenue expressed in 2026-07 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$0$0

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗