A business in context

GWHT research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-11 · 8028 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-10-02 · 0001819438-26-000088 · Items 3.01,7.01,9.01

  2. 8-K · Current report

    Report date 2026-09-24 · 0001819438-26-000086 · Items 3.01

  3. DEF 14A · Proxy statement

    Report date 2026-09-24 · 0001819438-26-000084

  4. 8-K · Current report

    Report date 2026-08-28 · 0001819438-26-000080 · Items 5.02

  5. 4 · Ownership change

    Report date 2026-08-21 · 0002083724-26-000005

  6. 4 · Ownership change

    Report date 2026-08-21 · 0002056453-26-000005

  7. 8-K · Current report

    Report date 2026-08-20 · 0001819438-26-000077 · Items 1.01,3.02,8.01,9.01

  8. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001819438-26-000074

  9. 8-K · Current report

    Report date 2026-08-11 · 0001819438-26-000072 · Items 2.02,9.01

  10. 8-K · Current report

    Report date 2026-08-06 · 0001819438-26-000067 · Items 2.02,8.01

  11. 8-K · Current report

    Report date 2026-07-16 · 0001819438-26-000065 · Items 1.01,9.01

  12. 8-K · Current report

    Report date 2026-06-30 · 0001819438-26-000056 · Items 3.01

  13. 8-K · Current report

    Report date 2026-06-23 · 0001819438-26-000053 · Items 2.02,7.01,8.01,9.01

  14. 8-K · Current report

    Report date 2026-06-12 · 0001819438-26-000049 · Items 5.02

  15. 8-K · Current report

    Report date 2026-06-09 · 0001819438-26-000044 · Items 3.01,7.01,9.01

  16. 4 · Ownership change

    Report date 2026-06-04 · 0002106707-26-000006

  17. 4 · Ownership change

    Report date 2026-05-29 · 0001885330-26-000002

  18. 4 · Ownership change

    Report date 2026-05-29 · 0001705428-26-000002

  19. 4 · Ownership change

    Report date 2026-05-29 · 0001685105-26-000002

  20. 4 · Ownership change

    Report date 2026-05-29 · 0001549086-26-000002

  21. 4 · Ownership change

    Report date 2026-05-29 · 0001544911-26-000002

  22. 8-K · Current report

    Report date 2026-05-29 · 0001819438-26-000039 · Items 5.07

  23. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001819438-26-000034

  24. 8-K · Current report

    Report date 2026-05-07 · 0001819438-26-000032 · Items 2.02,9.01

  25. DEF 14A · Proxy statement

    Report date 2025-12-31 · 0001819438-26-000023

  26. 8-K · Current report

    Report date 2026-04-10 · 0001819438-26-000022 · Items 5.02

  27. 10-K · Annual report

    Report date 2025-12-31 · 0001819438-26-000012

  28. 8-K · Current report

    Report date 2026-03-05 · 0001819438-26-000011 · Items 2.02,8.01,9.01

  29. 8-K · Current report

    Report date 2026-01-29 · 0001628280-26-004263 · Items 1.01,9.01

  30. 8-K · Current report

    Report date 2026-01-23 · 0001628280-26-003973 · Items 2.02,5.02,9.01

  31. 8-K · Current report

    Report date 2026-01-01 · 0001819438-26-000003 · Items 5.02,9.01

  32. 8-K · Current report

    Report date 2025-12-04 · 0001819438-25-000079 · Items 1.01,9.01

  33. 8-K · Current report

    Report date 2025-11-13 · 0001819438-25-000077 · Items 2.02,9.01

  34. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001819438-25-000076

  35. 8-K · Current report

    Report date 2025-11-13 · 0001628280-25-052045 · Items 1.01,9.01

  36. 8-K · Current report

    Report date 2025-10-14 · 0001819438-25-000065 · Items 1.01,2.03,3.02,9.01

  37. 8-K · Current report

    Report date 2025-10-13 · 0001819438-25-000057 · Items 5.07

  38. DEF 14A · Proxy statement

    Report date 2025-09-22 · 0001819438-25-000041

  39. 8-K · Current report

    Report date 2025-08-29 · 0001819438-25-000027 · Items 8.01

  40. 8-K · Current report

    Report date 2025-08-12 · 0001819438-25-000019 · Items 5.02

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-07 · 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: 1 transaction rows1PSale: 4 transaction rows4SGrant / award: 5 transaction rows5AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

10 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-04
2026-06-08
Buckley Drew PP · Purchase
Acquired
Common Stock25000.01.03
2026-05-29
2026-06-02
Hossfeld RichA · Grant / award
Acquired
Common Stock13513.00.0
2026-05-29
2026-06-02
WELLMAN ALEXIA · Grant / award
Acquired
Common Stock13513.00.0
2026-05-29
2026-06-02
Quarls HarryA · Grant / award
Acquired
Common Stock13513.00.0
2026-05-29
2026-06-02
Garabedian RaffiA · Grant / award
Acquired
Common Stock13513.00.0
2026-05-29
2026-06-02
Nijhawan SandeepA · Grant / award
Acquired
Common Stock13513.00.0
2026-05-22
2026-05-26
Suhadolnik Kate EileenS · Sale
Disposed
Common Stock1922.00.93
2026-05-22
2026-05-26
Goodman Kelly F.S · Sale
Disposed
Common Stock2751.00.93
2026-05-21
2026-05-26
Suhadolnik Kate EileenS · Sale
Disposed
Common Stock1735.00.92
2026-05-21
2026-05-26
Goodman Kelly F.S · Sale
Disposed
Common Stock2482.00.92

Identity & relationships

Wikidata structured data · retrieved 2026-10-07 · 1614 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 · 0001819438ESS Tech, 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 2026-10-07 · 1179 checked identities; 0 unavailable records

Search names and former names
  • ACON S2 Acquisition Corp. · former SEC name · 2020-07-31 to 2021-10-08

Revenue in constant purchasing power

USD revenue expressed in 2026-08 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$6.29M$6.72M
2023-12-31$7.54M$8.29M
2022-12-31$894.0K$1.02M
2021-12-31$0$0
2020-12-31$0$0

Bureau of Labor Statistics · retrieved 2026-10-11 · 9 selected series; gaps remain missing

Explore the CPI history ↗