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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. 4 · Ownership change

    Report date 2026-09-02 · 0000354190-26-000203

  2. 4 · Ownership change

    Report date 2026-09-01 · 0000354190-26-000201

  3. 8-K · Current report

    Report date 2026-08-24 · 0000354190-26-000197 · Items 5.02

  4. 4 · Ownership change

    Report date 2026-08-24 · 0000354190-26-000199

  5. 4 · Ownership change

    Report date 2026-08-19 · 0000354190-26-000195

  6. 4 · Ownership change

    Report date 2026-08-16 · 0000354190-26-000193

  7. 4 · Ownership change

    Report date 2026-08-05 · 0000354190-26-000187

  8. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-053489

  9. 8-K · Current report

    Report date 2026-07-30 · 0001628280-26-051070 · Items 2.02,7.01

  10. 8-K · Current report

    Report date 2026-07-22 · 0000354190-26-000184 · Items 8.01

  11. 4 · Ownership change

    Report date 2026-07-01 · 0000354190-26-000180

  12. 4 · Ownership change

    Report date 2026-07-01 · 0000354190-26-000178

  13. 8-K · Current report

    Report date 2026-06-17 · 0000354190-26-000171 · Items 7.01

  14. 8-K · Current report

    Report date 2026-05-12 · 0000354190-26-000142 · Items 5.07

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-031592

  16. 8-K · Current report

    Report date 2026-04-30 · 0000354190-26-000132 · Items 2.02,7.01,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-05-12 · 0000354190-26-000101

  18. 8-K · Current report

    Report date 2026-03-17 · 0000354190-26-000073 · Items 7.01

  19. 8-K · Current report

    Report date 2026-03-06 · 0000354190-26-000069 · Items 5.02

  20. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-008662

  21. 8-K · Current report

    Report date 2026-01-29 · 0001193125-26-029407 · Items 2.02,7.01,9.01

  22. 8-K · Current report

    Report date 2025-12-16 · 0000354190-25-000054 · Items 7.01

  23. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001628280-25-050734

  24. 8-K · Current report

    Report date 2025-10-30 · 0001193125-25-258781 · Items 2.02,7.01,9.01

  25. 8-K/A · Current report

    Report date 2025-08-18 · 0001628280-25-046542 · Items 9.01

  26. 8-K · Current report

    Report date 2025-09-18 · 0000354190-25-000037 · Items 7.01

  27. 8-K · Current report

    Report date 2025-08-18 · 0000354190-25-000019 · Items 2.01,7.01,9.01

  28. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000354190-25-000011

  29. 8-K · Current report

    Report date 2025-07-31 · 0001193125-25-170602 · Items 2.02,7.01,9.01

  30. 8-K · Current report

    Report date 2025-06-04 · 0001193125-25-134909 · Items 7.01

  31. 8-K · Current report

    Report date 2025-05-13 · 0001193125-25-119833 · Items 5.07

  32. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000950170-25-062859

  33. 8-K · Current report

    Report date 2025-05-01 · 0001193125-25-110014 · Items 2.02,7.01,9.01

  34. 8-K · Current report

    Report date 2025-04-03 · 0001193125-25-073495 · Items 1.01,2.03,9.01

  35. DEF 14A · Proxy statement

    Report date 2025-03-24 · 0000950170-25-043725

  36. 8-K · Current report

    Report date 2025-03-20 · 0001193125-25-058392 · Items 7.01

  37. 10-K · Annual report

    Report date 2024-12-31 · 0000950170-25-021775

  38. 8-K · Current report

    Report date 2025-01-29 · 0001193125-25-017328 · Items 2.02,5.03,7.01,9.01

  39. 8-K · Current report

    Report date 2024-12-19 · 0001193125-24-282109 · Items 8.01,9.01

  40. 8-K · Current report

    Report date 2024-12-09 · 0001193125-24-275765 · Items 8.01,9.01

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: 1 transaction rows1SGrant / award: 10 transaction rows10AExercise / conversion: 16 transaction rows16MTax / exercise payment: 8 transaction rows8FGift: 2 transaction rows2G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

38 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-22
2026-06-24
HOWELL DOUGLAS KI · Other (see filing)
Disposed
Notional Stock Units
Derivative security
12954.39209.08
2026-06-02
2026-06-02
CARY RICHARD CS · Sale
Disposed
Common Stock3000.0206.0
2026-06-01
2026-06-02
JOHNSON DAVID SA · Grant / award
Acquired
Common Stock236.54206.1
2026-06-01
2026-06-02
Miskel Christopher C.A · Grant / award
Acquired
Common Stock194.08206.1
2026-05-26
2026-05-28
Gallagher Patrick MurphyG · Gift
Acquired
Common Stock14698.00.0
2026-05-26
2026-05-28
GALLAGHER J PATRICK JRG · Gift
Disposed
Common Stock14698.00.0
2026-05-12
2026-05-13
Caplan Deborah HA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
Clarke Teresa HillaryA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
Coldman David JohnA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
Harries Richard de Winton WilkinA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
JOHNSON DAVID SA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
Miskel Christopher C.A · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
NICOLETTI RALPH JA · Grant / award
Acquired
Common Stock1110.00.0
2026-05-12
2026-05-13
ROSENTHAL NORMAN LA · Grant / award
Acquired
Common Stock1110.00.0
2026-03-31
2026-04-02
GALLAGHER THOMAS JOSEPHF · Tax / exercise payment
Disposed
Common Stock76.38215.95
2026-03-31
2026-04-02
GALLAGHER THOMAS JOSEPHM · Exercise / conversion
Acquired
Common Stock76.38215.95
2026-03-31
2026-04-02
GALLAGHER THOMAS JOSEPHM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
76.380.0
2026-03-31
2026-04-02
HOWELL DOUGLAS KM · Exercise / conversion
Acquired
Common Stock76.38215.95
2026-03-31
2026-04-02
HOWELL DOUGLAS KF · Tax / exercise payment
Disposed
Common Stock76.38215.95
2026-03-31
2026-04-02
HOWELL DOUGLAS KM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
76.380.0
2026-03-31
2026-04-02
Hudson Scott RM · Exercise / conversion
Acquired
Common Stock63.65215.95
2026-03-31
2026-04-02
Hudson Scott RF · Tax / exercise payment
Disposed
Common Stock63.65215.95
2026-03-31
2026-04-02
Hudson Scott RM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
63.650.0
2026-03-31
2026-04-02
Jain VishalF · Tax / exercise payment
Disposed
Common Stock50.92215.95
2026-03-31
2026-04-02
Jain VishalM · Exercise / conversion
Acquired
Common Stock50.92215.95
2026-03-31
2026-04-02
Jain VishalM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
50.920.0
2026-03-31
2026-04-02
Ziebell William FF · Tax / exercise payment
Disposed
Common Stock50.92215.95
2026-03-31
2026-04-02
Ziebell William FM · Exercise / conversion
Acquired
Common Stock50.92215.95
2026-03-31
2026-04-02
Ziebell William FM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
50.920.0
2026-03-31
2026-04-01
Bay Walter D.M · Exercise / conversion
Acquired
Common Stock1415.09215.95
2026-03-31
2026-04-01
Bay Walter D.F · Tax / exercise payment
Disposed
Common Stock627.0215.95
2026-03-31
2026-04-01
Bay Walter D.M · Exercise / conversion
Disposed
Phantom Stock
Derivative security
1415.090.0
2026-03-31
2026-04-01
CARY RICHARD CM · Exercise / conversion
Acquired
Common Stock471.7215.95
2026-03-31
2026-04-01
CARY RICHARD CF · Tax / exercise payment
Disposed
Common Stock139.0215.95
2026-03-31
2026-04-01
CARY RICHARD CM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
471.70.0
2026-03-31
2026-04-01
GALLAGHER J PATRICK JRF · Tax / exercise payment
Disposed
Common Stock2369.0215.95
2026-03-31
2026-04-01
GALLAGHER J PATRICK JRM · Exercise / conversion
Acquired
Common Stock5345.9215.95
2026-03-31
2026-04-01
GALLAGHER J PATRICK JRM · Exercise / conversion
Disposed
Phantom Stock
Derivative security
5345.90.0

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 · 0000354190Arthur J. Gallagher & Co.

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

Legal Entity Identifier
54930049QLLMPART6V29
GLEIF legal name
ARTHUR J. GALLAGHER & CO.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2025-10-13T20:05:54Z

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 ↗

  • Gallagher & Co · alias · wikidata
  • Gallagher Insurance · alias · wikidata
  • AJ Gallagher · alias · wikidata
  • GALLAGHER ARTHUR J & CO · former SEC name · 1994-01-25 to 2019-08-14
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
2024-12-31$11.55B$12.30B
2023-12-31$10.07B$11.04B
2022-12-31$8.55B$9.75B
2021-12-31$8.21B$10.11B
2020-12-31$7.00B$9.04B
2019-12-31$7.20B$9.40B
2018-12-31$6.93B$9.22B
2017-12-31$6.25B$8.51B

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

Explore the CPI history ↗