A business in context

SST research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-05 · 0001805833-26-000051 · Items 7.01,9.01

  2. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001805833-26-000050

  3. 8-K · Current report

    Report date 2026-08-05 · 0001805833-26-000049 · Items 2.02,9.01

  4. 8-K · Current report

    Report date 2026-07-22 · 0001805833-26-000044 · Items 3.03,5.02,5.03,5.07,8.01,9.01

  5. 4 · Ownership change

    Report date 2026-07-15 · 0001628280-26-048715

  6. 4 · Ownership change

    Report date 2026-07-15 · 0001628280-26-048714

  7. 4 · Ownership change

    Report date 2026-07-15 · 0001628280-26-048713

  8. 4 · Ownership change

    Report date 2026-07-15 · 0001628280-26-048712

  9. DEF 14A · Proxy statement

    Report date 2026-07-22 · 0001805833-26-000040

  10. 4 · Ownership change

    Report date 2026-05-29 · 0001628280-26-039992

  11. 8-K · Current report

    Report date 2026-05-29 · 0001805833-26-000030 · Items 1.01,2.03,3.02,7.01,9.01

  12. 8-K · Current report

    Report date 2026-05-12 · 0001805833-26-000027 · Items 7.01,9.01

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001805833-26-000026

  14. 8-K · Current report

    Report date 2026-05-12 · 0001805833-26-000025 · Items 2.02,9.01

  15. 10-K/A · Annual report

    Report date 2025-12-31 · 0001805833-26-000018

  16. 4 · Ownership change

    Report date 2026-04-15 · 0001628280-26-025911

  17. 4 · Ownership change

    Report date 2026-04-15 · 0001628280-26-025910

  18. 4 · Ownership change

    Report date 2026-04-15 · 0001628280-26-025909

  19. 8-K · Current report

    Report date 2026-03-11 · 0001805833-26-000015 · Items 7.01,9.01

  20. 10-K · Annual report

    Report date 2025-12-31 · 0001805833-26-000014

  21. 8-K · Current report

    Report date 2026-03-11 · 0001805833-26-000012 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2026-01-09 · 0001805833-26-000003 · Items 5.02,9.01

  23. 8-K · Current report

    Report date 2025-12-08 · 0001805833-25-000020 · Items 3.01,7.01,9.01

  24. 8-K · Current report

    Report date 2025-12-01 · 0001805833-25-000018 · Items 5.02,8.01,9.01

  25. 8-K · Current report

    Report date 2025-11-05 · 0001805833-25-000016 · Items 7.01,9.01

  26. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001805833-25-000015

  27. 8-K · Current report

    Report date 2025-11-05 · 0001805833-25-000013 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-08-07 · 0001805833-25-000009 · Items 7.01,9.01

  29. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001805833-25-000008

  30. 8-K · Current report

    Report date 2025-08-07 · 0001805833-25-000006 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2025-06-11 · 0001628280-25-030708 · Items 3.03,5.03,8.01,9.01

  32. 8-K · Current report

    Report date 2025-06-10 · 0001628280-25-030451 · Items 5.02,5.07,8.01,9.01

  33. 8-K · Current report

    Report date 2025-05-22 · 0001628280-25-027355 · Items 5.02,9.01

  34. DEF 14A · Proxy statement

    Report date 2025-06-10 · 0001628280-25-026505

  35. 8-K · Current report

    Report date 2025-05-06 · 0001628280-25-022742 · Items 7.01,9.01

  36. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001628280-25-022712

  37. 8-K · Current report

    Report date 2025-05-06 · 0001628280-25-022669 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2025-04-28 · 0001628280-25-020664 · Items 3.02,9.01

  39. 10-K/A · Annual report

    Report date 2024-12-31 · 0001628280-25-020027

  40. 8-K · Current report

    Report date 2025-04-15 · 0001628280-25-018356 · Items 5.02

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: 4 transaction rows4FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

4 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-07-15
2026-07-17
Sestanovich ElizabethF · Tax / exercise payment
Disposed
Class A Common Stock7058.02.6
2026-07-15
2026-07-17
Coppola BrianF · Tax / exercise payment
Disposed
Class A Common Stock6124.02.6
2026-07-15
2026-07-17
Kidambi TridiveshF · Tax / exercise payment
Disposed
Class A Common Stock6022.02.6
2026-07-15
2026-07-17
Weinrot Daniel JF · Tax / exercise payment
Disposed
Class A Common Stock9156.02.6

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 · 0001805833System1, 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 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names
  • Trebia Acquisition Corp. · former SEC name · 2020-03-23 to 2022-01-26

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$343.93M$369.41M
2023-12-31$401.97M$444.47M
2021-12-31$688.39M$855.84M

Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

Explore the CPI history ↗