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CIFR research notebook

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

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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 2026-10-13 · 0001193125-26-424297 · Items 1.01,2.03,3.02,7.01,9.01

  2. 4 · Ownership change

    Report date 2026-10-14 · 0002090886-26-000012

  3. 8-K · Current report

    Report date 2026-10-14 · 0001193125-26-421035 · Items 8.01,9.01

  4. 8-K · Current report

    Report date 2026-10-13 · 0001193125-26-419743 · Items 7.01,8.01,9.01

  5. 4/A · Ownership change

    Report date 2026-09-30 · 0002090886-26-000010

  6. 4/A · Ownership change

    Report date 2026-09-30 · 0001887627-26-000012

  7. 4/A · Ownership change

    Report date 2026-09-30 · 0001887623-26-000021

  8. 4/A · Ownership change

    Report date 2026-09-30 · 0001887616-26-000024

  9. 4 · Ownership change

    Report date 2026-10-05 · 0001123292-26-001381

  10. 4 · Ownership change

    Report date 2026-09-30 · 0002090886-26-000008

  11. 4 · Ownership change

    Report date 2026-09-30 · 0001887627-26-000010

  12. 8-K · Current report

    Report date 2026-09-24 · 0001819989-26-000043 · Items 7.01,8.01,9.01

  13. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001819989-26-000041

  14. 8-K · Current report

    Report date 2026-08-04 · 0001819989-26-000038 · Items 2.02,7.01,9.01

  15. 8-K · Current report

    Report date 2026-06-15 · 0000950103-26-008994 · Items 1.01,2.03,9.01

  16. 8-K · Current report

    Report date 2026-06-08 · 0000950103-26-008678 · Items 8.01,9.01

  17. 8-K · Current report

    Report date 2026-06-02 · 0001819989-26-000032 · Items 5.07

  18. 8-K · Current report

    Report date 2026-06-08 · 0000950103-26-008635 · Items 7.01,8.01,9.01

  19. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001819989-26-000028

  20. 8-K · Current report

    Report date 2026-05-05 · 0001819989-26-000025 · Items 2.02,7.01,9.01

  21. DEF 14A · Proxy statement

    Report date 2026-04-20 · 0001819989-26-000016

  22. 8-K · Current report

    Report date 2026-03-23 · 0000950103-26-004609 · Items 1.01,2.03,9.01

  23. 10-K · Annual report

    Report date 2025-12-31 · 0001819989-26-000009

  24. 8-K · Current report

    Report date 2026-02-20 · 0001819989-26-000007 · Items 2.02,5.03,7.01,9.01

  25. 8-K · Current report

    Report date 2026-02-11 · 0001819989-26-000002 · Items 5.02,7.01,9.01

  26. 8-K · Current report

    Report date 2026-02-11 · 0000950103-26-001966 · Items 1.01,2.03,9.01

  27. 8-K · Current report

    Report date 2026-02-04 · 0000950103-26-001659 · Items 8.01,9.01

  28. 8-K · Current report

    Report date 2026-02-03 · 0000950103-26-001480 · Items 7.01,8.01,9.01

  29. 8-K · Current report

    Report date 2025-11-24 · 0000950103-25-015181 · Items 1.01,2.03,9.01

  30. 8-K · Current report

    Report date 2025-11-20 · 0000950103-25-015073 · Items 1.01,7.01,8.01,9.01

  31. 8-K · Current report

    Report date 2025-11-13 · 0000950103-25-014692 · Items 1.01,2.03,9.01

  32. 8-K · Current report

    Report date 2025-11-05 · 0000950103-25-014401 · Items 8.01,9.01

  33. 8-K · Current report

    Report date 2025-11-04 · 0000950103-25-014195 · Items 8.01,9.01

  34. 8-K · Current report

    Report date 2025-11-04 · 0000950103-25-014194 · Items 7.01,9.01

  35. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001819989-25-000112

  36. 8-K · Current report

    Report date 2025-11-03 · 0001819989-25-000110 · Items 2.02,7.01,9.01

  37. 8-K/A · Current report

    Report date 2025-06-03 · 0001819989-25-000107 · Items 5.07

  38. DEF 14A · Proxy statement

    Report date 2025-10-06 · 0001819989-25-000096

  39. 8-K · Current report

    Report date 2025-10-06 · 0001819989-25-000095 · Items 5.02,7.01,9.01

  40. 8-K · Current report

    Report date 2025-09-25 · 0001193125-25-225645 · Items 1.01,2.03,3.02,9.01

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: 2 transaction rows2SGrant / award: 0 transaction rows0AExercise / conversion: 20 transaction rows20MTax / exercise payment: 10 transaction rows10FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

34 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-09-28
2026-09-30
Bitfury Group Ltd; Bitfury Holding B.V.; Bitfury Top HoldCo B.V.; V3 Holding Ltd; Vavilovs ValerijsJ · Other (see filing)
Disposed
Common Stock1805000.0n/a
2026-09-28
2026-09-30
Bitfury Group Ltd; Bitfury Holding B.V.; Bitfury Top HoldCo B.V.; V3 Holding Ltd; Vavilovs ValerijsJ · Other (see filing)
Disposed
Forward sale contract (obligation to sell)
Derivative security
1805000.00.0
2026-07-09
2026-07-10
Page Tyler
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock112500.022.68
2026-07-08
2026-07-10
Page Tyler
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock112500.021.19
2026-06-30
2026-07-02
Mumford Gregory J.D.F · Tax / exercise payment
Disposed
Common Stock6895.024.5
2026-06-30
2026-07-02
Mumford Gregory J.D.M · Exercise / conversion
Acquired
Common Stock17108.0n/a
2026-06-30
2026-07-02
Mumford Gregory J.D.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
17108.00.0
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Acquired
Common Stock33967.0n/a
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Acquired
Common Stock29611.0n/a
2026-06-30
2026-07-02
Iwaschuk WilliamF · Tax / exercise payment
Disposed
Common Stock16375.024.5
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Acquired
Common Stock76427.0n/a
2026-06-30
2026-07-02
Iwaschuk WilliamF · Tax / exercise payment
Disposed
Common Stock42265.024.5
2026-06-30
2026-07-02
Iwaschuk WilliamF · Tax / exercise payment
Disposed
Common Stock18784.024.5
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Disposed
Performance Stock Units
Derivative security
76427.00.0
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
29611.00.0
2026-06-30
2026-07-02
Iwaschuk WilliamM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
33967.00.0
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Acquired
Common Stock254756.0n/a
2026-06-30
2026-07-02
Page TylerF · Tax / exercise payment
Disposed
Common Stock130053.024.5
2026-06-30
2026-07-02
Page TylerF · Tax / exercise payment
Disposed
Common Stock53748.024.5
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Acquired
Common Stock105285.0n/a
2026-06-30
2026-07-02
Page TylerF · Tax / exercise payment
Disposed
Common Stock57802.024.5
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Acquired
Common Stock113225.0n/a
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
113225.00.0
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
105285.00.0
2026-06-30
2026-07-02
Page TylerM · Exercise / conversion
Disposed
Performance Stock Units
Derivative security
254756.00.0
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Acquired
Common Stock76427.0n/a
2026-06-30
2026-07-02
Kelly Patrick ArthurF · Tax / exercise payment
Disposed
Common Stock15117.024.5
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Acquired
Common Stock29611.0n/a
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Acquired
Common Stock33967.0n/a
2026-06-30
2026-07-02
Kelly Patrick ArthurF · Tax / exercise payment
Disposed
Common Stock39016.024.5
2026-06-30
2026-07-02
Kelly Patrick ArthurF · Tax / exercise payment
Disposed
Common Stock17341.024.5
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
33967.00.0
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Disposed
Performance Stock Units
Derivative security
76427.00.0
2026-06-30
2026-07-02
Kelly Patrick ArthurM · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
29611.00.0

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 · 0001819989Cipher Digital 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
  • Cipher Mining Inc. · former SEC name · 2021-04-16 to 2026-02-23
  • GOOD WORKS ACQUISITION CORP. · former SEC name · 2020-08-25 to 2021-08-25

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$151.27M$162.48M
2023-12-31$126.84M$140.25M
2022-12-31$3.04M$3.50M

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

Explore the CPI history ↗