Arthur J. Gallagher & Co.
AJG · Insurance Agents, Brokers and Service
Latest available SEC filing: 3/A ·
Latest disclosures
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Koreyva Kyle Graham: Form 3/A
Insider disclosure · Filed · Report period 01 Oct 2026
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Form 3/A
SEC filing · Filed
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Form 3
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- AJG · 363576109 - Common Stock
Company details and SEC sources
CIK 0000354190 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- AJG on NYSE
- SEC industry group
- Insurance Agents, Brokers and Service (Office of Finance)
- Business address
- 2850 Golf Road, Rolling Meadows, IL, 60008-4050
- Incorporated in
- DE
- Fiscal year end
- 31 December
- Former names on EDGAR
- GALLAGHER ARTHUR J & CO (to 14 Aug 2019)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields