Arthur J. Gallagher & Co.

NYSE:AJG

Insurance Agents, Brokers & Service·ROLLING MEADOWS, IL

Arthur is a masculine given name of uncertain etymology. Its popularity derives from it being the name of the legendary hero King Arthur.

CEO

Gallagher J Patrick Jr

CFO

Howell Douglas K

Financials

20 shown

Type	Period	Ended	Filed
10-K	FY 2025	12/31/25	2/17/26	→
10-Q	Q3 2025	9/30/25	11/10/25	→
10-Q	Q2 2025	6/30/25	8/1/25	→
10-Q	Q1 2025	3/31/25	5/2/25	→
10-K	FY 2024	12/31/24	2/18/25	→
10-Q	Q3 2024	9/30/24	10/29/24	→
↓

Earnings Releases (8-K)

23 shown

Filed	Period
1/29/26	Q4 FY2026	→
10/30/25	Q3 FY2025	→
7/31/25	Q2 FY2025	→
5/1/25	Q2 FY2025	→
1/30/25	Q4 FY2025	→
10/24/24	Q3 FY2024	→
↓

News (8-K)

57 shown

Filed	Type	Description
12/16/25	Reg FD	Regulation FD Disclosure	→
10/28/25	Other	8-K Filing	→
9/18/25	Reg FD	Regulation FD Disclosure	→
8/18/25	Acquisition	Completion of Acquisition or Disposition of Assets	→
6/4/25	Reg FD	Regulation FD Disclosure	→
5/14/25	Vote	Submission of Matters to a Vote of Security Holders	→
↓

Prospectuses & Registrations

40 shown

Filed	Form	Description
3/24/25	ARS	ARS	→
2/18/25	S-8	S-8	→
12/11/24	424B2	424B2	→
12/11/24	FWP	FWP	→
12/10/24	424B2	424B2	→
12/9/24	424B5	424B5	→
↓

Filing History(1000 filings)

TypeDateAccessionPeriodSize

Mar 6, 2026

0000354190-26-000058PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000056PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000054PRIMARY DOCUMENT

Mar 4, 2026

5.6 KB

Mar 6, 2026

0000354190-26-000052PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000050PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000048PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000046PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000044PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000042PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

Mar 6, 2026

0000354190-26-000040PRIMARY DOCUMENT

Mar 4, 2026

5.6 KB

Mar 6, 2026

0000354190-26-000038PRIMARY DOCUMENT

Mar 4, 2026

5.5 KB

144

Mar 6, 2026

0001959173-26-002015

—

4.4 KB

Mar 5, 2026

0000354190-26-000036PRIMARY DOCUMENT

Mar 3, 2026

10.7 KB

144

Mar 5, 2026

0001959173-26-001947

—

4.9 KB

Mar 4, 2026

0000354190-26-000034PRIMARY DOCUMENT

Mar 2, 2026

29.8 KB

Mar 3, 2026

0000354190-26-000032PRIMARY DOCUMENT

Mar 1, 2026

10.3 KB

Mar 3, 2026

0000354190-26-000030PRIMARY DOCUMENT

Mar 1, 2026

5.1 KB

Mar 3, 2026

0000354190-26-000028PRIMARY DOCUMENT

Mar 1, 2026

5.1 KB

Mar 3, 2026

0000354190-26-000026PRIMARY DOCUMENT

Mar 1, 2026

5.1 KB

Mar 3, 2026

0000354190-26-000024PRIMARY DOCUMENT

Mar 1, 2026

5.2 KB

Mar 3, 2026

0000354190-26-000022PRIMARY DOCUMENT

Mar 1, 2026

10.2 KB

Mar 3, 2026

0000354190-26-000020PRIMARY DOCUMENT

Mar 1, 2026

10.2 KB

Mar 3, 2026

0000354190-26-000018PRIMARY DOCUMENT

Mar 1, 2026

10.1 KB

Mar 3, 2026

0000354190-26-000016PRIMARY DOCUMENT

Mar 1, 2026

5.1 KB

Mar 3, 2026

0000354190-26-000013PRIMARY DOCUMENT

Mar 1, 2026

29.6 KB

25 filings shown

Filed	Form	Description
3/24/25	DEFA14A	DEFA14A	→
3/24/25	DEF 14A	DEF 14A	→
3/22/24	DEFA14A	DEFA14A	→
3/22/24	DEF 14A	DEF 14A	→
4/28/23	DEFA14A	DEFA14A	→
3/27/23	DEFA14A	DEFA14A	→
↓

Arthur J. Gallagher & Co.

Financials

Earnings Releases (8-K)

News (8-K)

Prospectuses & Registrations

Filing History(1000 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
3/6/26	4	PRIMARY DOCUMENT	→
3/6/26	4	PRIMARY DOCUMENT	→
3/6/26	4	PRIMARY DOCUMENT	→
3/6/26	4	PRIMARY DOCUMENT	→
3/6/26	4	PRIMARY DOCUMENT	→
3/6/26	4	PRIMARY DOCUMENT	→
↓

Filed	Form	Description
3/6/26	144	144	→
3/5/26	144	144	→
3/2/26	144	144	→
2/17/26	13F-NT	13F-NT	→
2/13/26	SCHEDULE 13G	SCHEDULE 13G	→
12/23/25	144	144	→
↓