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Filing timeline

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SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-05 · 0001193125-26-336508 · Items 2.02,9.01

  2. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000886744-26-000037

  3. 4 · Ownership change

    Report date 2026-06-30 · 0001492256-26-000007

  4. 8-K · Current report

    Report date 2026-05-20 · 0001193125-26-241842 · Items 5.02,5.07,9.01

  5. 4 · Ownership change

    Report date 2026-05-20 · 0001944633-26-000002

  6. 4 · Ownership change

    Report date 2026-05-20 · 0001744662-26-000006

  7. 4 · Ownership change

    Report date 2026-05-20 · 0001688712-26-000003

  8. 4 · Ownership change

    Report date 2026-05-20 · 0001553389-26-000002

  9. 4 · Ownership change

    Report date 2026-05-20 · 0001492256-26-000006

  10. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000886744-26-000032

  11. 4 · Ownership change

    Report date 2026-04-13 · 0001748392-26-000005

  12. DEF 14A · Proxy statement

    Report date 2026-05-20 · 0000886744-26-000024

  13. 4 · Ownership change

    Report date 2026-03-31 · 0001492256-26-000004

  14. 8-K · Current report

    Report date 2026-03-25 · 0001193125-26-125151 · Items 5.02

  15. 10-K · Annual report

    Report date 2025-12-31 · 0000886744-26-000008

  16. 8-K · Current report

    Report date 2026-02-25 · 0001193125-26-068523 · Items 2.02,9.01

  17. 8-K · Current report

    Report date 2026-01-12 · 0000886744-26-000003 · Items 7.01,9.01

  18. 8-K · Current report

    Report date 2026-01-05 · 0001193125-26-003388 · Items 1.01

  19. 8-K · Current report

    Report date 2025-12-10 · 0000886744-25-000074 · Items 2.05

  20. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000886744-25-000071

  21. 8-K · Current report

    Report date 2025-11-05 · 0000886744-25-000068 · Items 2.02,9.01

  22. 8-K · Current report

    Report date 2025-10-10 · 0001628280-25-044862 · Items 5.02,7.01,9.01

  23. 8-K · Current report

    Report date 2025-08-01 · 0000886744-25-000054 · Items 5.02

  24. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000886744-25-000052

  25. 8-K · Current report

    Report date 2025-08-06 · 0000886744-25-000048 · Items 2.02,9.01

  26. 8-K · Current report

    Report date 2025-05-21 · 0000886744-25-000032 · Items 5.02,5.07,9.01

  27. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000886744-25-000010

  28. 8-K · Current report

    Report date 2025-05-07 · 0000886744-25-000007 · Items 2.02,9.01

  29. DEF 14A · Proxy statement

    Report date 2025-05-21 · 0001140361-25-012825

  30. 8-K/A · Current report

    Report date 2025-03-10 · 0000950170-25-040247 · Items 5.02

  31. 8-K · Current report

    Report date 2025-03-10 · 0000950170-25-037260 · Items 5.02

  32. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-027982

  33. 8-K · Current report

    Report date 2025-02-26 · 0000950170-25-027331 · Items 2.02,9.01

  34. 8-K · Current report

    Report date 2025-01-13 · 0000950170-25-004579 · Items 2.02,7.01,9.01

  35. SC 13G/A · Ownership disclosure

    0001172661-24-004751

  36. SC 13G/A · Ownership disclosure

    0001104659-24-119289

  37. SC 13G · Ownership disclosure

    0000902664-24-006491

  38. 10-Q · Quarterly report

    Report date 2024-09-30 · 0000950170-24-123282

  39. 8-K · Current report

    Report date 2024-11-01 · 0000950170-24-122771 · Items 1.01,1.02,2.01,2.02,2.03,7.01,9.01

  40. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000950170-24-093950

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: 7 transaction rows7AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

7 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-05-20
2026-05-26
McDonald John FA · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
220000.00.0
2026-05-20
2026-05-26
O'Farrell Elizabeth G.A · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
220000.00.0
2026-05-20
2026-05-26
Bir Dawn CarterA · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
220000.00.0
2026-05-20
2026-05-26
Molineaux SusanA · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
220000.00.0
2026-05-20
2026-05-26
Spiegel Robert J.A · Grant / award
Acquired
Stock Option (right to buy)
Derivative security
220000.00.0
2026-04-13
2026-04-14
Williams TimothyA · Grant / award
Acquired
Stock Option (Right to Buy)
Derivative security
2500000.00.0
2026-03-31
2026-04-01
Spiegel Robert J.A · Grant / award
Acquired
Common Stock5243.01.49

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 · 0000886744GERON CORP

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

Legal Entity Identifier
549300T282D7Z2YESL90
GLEIF legal name
GERON CORPORATION
Entity / LEI registration status
ACTIVE / LAPSED
Reference data updated
2023-08-04T17:19:53Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

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

Search names and former names

View Wikidata identity and references ↗

  • Geron Corporation · alias · wikidata
  • GERON CORPORATION · former SEC name · 1996-09-12 to 2005-08-05
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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
2023-12-31$237.0K$259.7K
2022-12-31$596.0K$679.9K
2021-12-31$1.39M$1.72M
2020-12-31$253.0K$326.4K
2019-12-31$460.0K$600.8K
2018-12-31$1.07M$1.42M
2017-12-31$1.06M$1.45M

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗