A business in context

GFF research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-09-08 · 8005 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 8-K · Current report

    Report date 2026-08-18 · 0000930413-26-002595 · Items 1.01,2.03,8.01,9.01

  2. 4 · Ownership change

    Report date 2026-08-13 · 0001628280-26-057150

  3. 4 · Ownership change

    Report date 2026-08-13 · 0001628280-26-057149

  4. 4 · Ownership change

    Report date 2026-08-11 · 0001628280-26-056770

  5. 4 · Ownership change

    Report date 2026-08-07 · 0001628280-26-055712

  6. 4 · Ownership change

    Report date 2026-08-07 · 0001628280-26-055711

  7. 8-K · Current report

    Report date 2026-08-10 · 0001628280-26-055694 · Items 1.01,8.01,9.01

  8. 8-K · Current report

    Report date 2026-08-10 · 0001628280-26-055203 · Items 7.01,9.01

  9. 4 · Ownership change

    Report date 2026-08-05 · 0001628280-26-054913

  10. 4 · Ownership change

    Report date 2026-08-05 · 0001628280-26-054912

  11. 4 · Ownership change

    Report date 2026-08-05 · 0001628280-26-054911

  12. 8-K · Current report

    Report date 2026-08-07 · 0001628280-26-054906 · Items 8.01,9.01

  13. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-053536

  14. 8-K · Current report

    Report date 2026-08-05 · 0001628280-26-052927 · Items 2.02,9.01

  15. 8-K · Current report

    Report date 2026-07-31 · 0001628280-26-052181 · Items 1.01,2.01,7.01,8.01,9.01

  16. 8-K · Current report

    Report date 2026-06-07 · 0000930413-26-001842 · Items 1.01,7.01,9.01

  17. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-032347

  18. 8-K · Current report

    Report date 2026-05-07 · 0001628280-26-031705 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2026-02-18 · 0001628280-26-009094 · Items 5.07

  20. 10-Q · Quarterly report

    Report date 2025-12-31 · 0001628280-26-005892

  21. 8-K · Current report

    Report date 2026-02-05 · 0001628280-26-005611 · Items 2.02,9.01

  22. DEF 14A · Proxy statement

    Report date 2026-02-18 · 0000930413-26-000074

  23. 10-K · Annual report

    Report date 2025-09-30 · 0001628280-25-053242

  24. 8-K · Current report

    Report date 2025-11-19 · 0000050725-25-000079 · Items 2.02,9.01

  25. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000050725-25-000078

  26. 8-K · Current report

    Report date 2025-08-06 · 0000050725-25-000074 · Items 2.02,9.01

  27. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000050725-25-000065

  28. 8-K · Current report

    Report date 2025-05-08 · 0000050725-25-000062 · Items 2.02,9.01

  29. 8-K · Current report

    Report date 2025-03-11 · 0000050725-25-000055 · Items 5.03,5.07,9.01

  30. 10-Q · Quarterly report

    Report date 2024-12-31 · 0000050725-25-000008

  31. 8-K · Current report

    Report date 2025-02-05 · 0000050725-25-000005 · Items 2.02,9.01

  32. DEF 14A · Proxy statement

    Report date 2025-03-11 · 0000930413-25-000212

  33. 10-K · Annual report

    Report date 2024-09-30 · 0000050725-24-000152

  34. 8-K · Current report

    Report date 2024-11-13 · 0000050725-24-000143 · Items 2.02,9.01

  35. SC 13G/A · Ownership disclosure

    0000932471-24-001052

  36. SC 13G/A · Ownership disclosure

    0000932471-24-000453

  37. 10-Q · Quarterly report

    Report date 2024-06-30 · 0000050725-24-000096

  38. 8-K · Current report

    Report date 2024-08-07 · 0000050725-24-000091 · Items 2.02,9.01

  39. 8-K · Current report

    Report date 2024-06-26 · 0000930413-24-001945 · Items 1.01,2.03,9.01

  40. 10-Q · Quarterly report

    Report date 2024-03-31 · 0000050725-24-000071

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: 16 transaction rows16SGrant / 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

16 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-26
2026-06-30
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock4.097.5
2026-06-26
2026-06-30
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock52.096.14
2026-06-26
2026-06-30
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock230.095.52
2026-06-25
2026-06-26
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1534.096.41
2026-06-25
2026-06-26
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock5149.095.62
2026-06-25
2026-06-26
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock1190.097.27
2026-06-24
2026-06-26
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock100.096.03
2026-06-24
2026-06-26
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock4626.095.45
2026-06-17
2026-06-18
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock547.095.37
2026-06-16
2026-06-18
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock97.096.25
2026-06-16
2026-06-18
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock2921.095.36
2026-06-15
2026-06-16
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock3272.095.4
2026-06-12
2026-06-16
MEHMEL ROBERT F
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock5501.095.18
2026-06-12
2026-06-15
KRAMER RONALD JS · Sale
Disposed
Common Stock51029.095.21
2026-06-12
2026-06-15
KRAMER RONALD JS · Sale
Disposed
Common Stock48971.094.62
2026-06-11
2026-06-15
Harris Brian G
10b5-1 checkbox reported
S · Sale
Disposed
Common Stock7500.095.03

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 · 0000050725GRIFFON CORP

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

Legal Entity Identifier
5493000C2SGNC7ZN3242
GLEIF legal name
GRIFFON CORPORATION
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-06-10T20:11:44Z

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 ↗

  • Griffon Corporation · alias · wikidata
  • GRIFFON CORP · former SEC name · 1995-05-03 to 2026-08-19
  • INSTRUMENT SYSTEMS CORP /DE/ · former SEC name · 1994-02-11 to 1995-02-13
Explore headquarters map ↗

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
2025-09-30$2.52B$2.63B
2024-09-30$2.62B$2.81B
2023-09-30$2.69B$2.97B
2022-09-30$2.85B$3.31B
2021-09-30$2.27B$2.84B
2020-09-30$2.07B$2.67B
2019-09-30$1.87B$2.46B
2018-09-30$1.98B$2.64B

Bureau of Labor Statistics · retrieved 2026-09-08 · 9 selected series; gaps remain missing

Explore the CPI history ↗