A business in context

TANH research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 6-K · Current report

    Report date 2026-10-02 · 0001213900-26-106447

  2. 6-K · Current report

    Report date 2026-09-24 · 0001477932-26-005777

  3. 6-K · Current report

    Report date 2026-09-01 · 0001477932-26-005346

  4. 6-K · Current report

    Report date 2026-08-19 · 0001477932-26-005179

  5. 6-K/A · Current report

    Report date 2026-08-07 · 0001477932-26-004758

  6. 6-K · Current report

    Report date 2026-08-05 · 0001477932-26-004731

  7. 6-K · Current report

    Report date 2026-08-04 · 0001477932-26-004710

  8. 20-F · Annual report

    Report date 2025-12-31 · 0001477932-26-003132

  9. 6-K · Current report

    Report date 2026-04-01 · 0001477932-26-001965

  10. 6-K · Current report

    Report date 2026-03-31 · 0001477932-26-001760

  11. 6-K · Current report

    Report date 2026-03-24 · 0001477932-26-001577

  12. 6-K · Current report

    Report date 2026-03-23 · 0001477932-26-001540

  13. 6-K · Current report

    Report date 2026-01-15 · 0001477932-26-000231

  14. 6-K · Current report

    Report date 2025-12-31 · 0001477932-25-009264

  15. 6-K · Current report

    Report date 2025-06-30 · 0001477932-25-009067

  16. 6-K · Current report

    Report date 2025-12-11 · 0001477932-25-008933

  17. 6-K · Current report

    Report date 2025-10-23 · 0001477932-25-007719

  18. 6-K · Current report

    Report date 2025-10-17 · 0001477932-25-007636

  19. 6-K · Current report

    Report date 2025-09-24 · 0001477932-25-006998

  20. 20-F/A · Annual report

    Report date 2024-12-31 · 0001477932-25-006862

  21. 6-K · Current report

    Report date 2025-06-02 · 0001477932-25-004382

  22. 20-F · Annual report

    Report date 2024-12-31 · 0001477932-25-003802

  23. 6-K · Current report

    Report date 2025-03-03 · 0001477932-25-001375

  24. 6-K · Current report

    Report date 2025-02-10 · 0001477932-25-000830

  25. 6-K · Current report

    Report date 2025-01-07 · 0001477932-25-000106

  26. 6-K · Current report

    Report date 2025-01-06 · 0001477932-25-000049

  27. 6-K · Current report

    Report date 2024-06-30 · 0001477932-24-008438

  28. 6-K · Current report

    Report date 2024-12-27 · 0001477932-24-008327

  29. 6-K · Current report

    Report date 2024-12-20 · 0001477932-24-008242

  30. 6-K · Current report

    Report date 2024-12-11 · 0001477932-24-008082

  31. SC 13G/A · Ownership disclosure

    0001213900-24-097252

  32. SC 13G/A · Ownership disclosure

    0000921895-24-002490

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: 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: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

0 matching transaction rows.

No matching transaction rows in the covered quarter. This does not establish that no insider transactions occurred.

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 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 · 0001588084TANTECH HOLDINGS LTD

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 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names

    Revenue in constant purchasing power

    USD revenue expressed in 2026-09 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$42.94M$46.12M
    2023-12-31$44.63M$49.35M
    2022-12-31$52.97M$60.98M
    2021-12-31$55.26M$68.71M
    2020-12-31$42.28M$55.05M
    2019-12-31$49.23M$64.88M
    2018-12-31$29.56M$39.66M
    2017-12-31$42.30M$58.14M

    Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

    Explore the CPI history ↗