Arthur J. Gallagher & Co. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Rolling Meadows, IL
SEC filing record 1 source field available
Fiscal year end
31 December
Arthur J. Gallagher & Co. has filed 2,539 SEC EDGAR filings since 25 Jan 1994

SEC filing history

Showing 101-125 of 1,000 matching filings.

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25
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5
4

PRIMARY DOCUMENT

Filing date
29 Dec 2025
Reporting date
23 Dec 2025
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4

PRIMARY DOCUMENT

Filing date
23 Dec 2025
Reporting date
19 Dec 2025
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144 File 001-09761

144 filing

Filing date
23 Dec 2025
Reporting date
Not listed
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144 File 001-09761

144 filing

Filing date
22 Dec 2025
Reporting date
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144 File 001-09761

144 filing

Filing date
19 Dec 2025
Reporting date
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144 File 001-09761

144 filing

Filing date
17 Dec 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
03 Dec 2025
Reporting date
01 Dec 2025
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4

PRIMARY DOCUMENT

Filing date
03 Dec 2025
Reporting date
01 Dec 2025
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4

PRIMARY DOCUMENT

Filing date
25 Nov 2025
Reporting date
21 Nov 2025
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144 File 001-09761

144 filing

Filing date
21 Nov 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
20 Nov 2025
Reporting date
18 Nov 2025
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144 File 001-09761

144 filing

Filing date
18 Nov 2025
Reporting date
Not listed
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13F-NT File 028-14530

13F-NT filing

Filing date
14 Nov 2025
Reporting date
30 Sep 2025
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4

PRIMARY DOCUMENT

Filing date
03 Nov 2025
Reporting date
03 Nov 2025
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SCHEDULE 13G/A File 005-37242

SCHEDULE 13G/A filing

Filing date
31 Oct 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
23 Sep 2025
Reporting date
19 Sep 2025
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144 File 001-09761

144 filing

Filing date
22 Sep 2025
Reporting date
Not listed
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144 File 001-09761

144 filing

Filing date
19 Sep 2025
Reporting date
Not listed
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144 File 001-09761

144 filing

Filing date
17 Sep 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
11 Sep 2025
Reporting date
10 Sep 2025
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