Arthur J. Gallagher & Co. — 10-K Filings
29 10-K filings on record
This page lists all 10-K filings submitted to the SEC by Arthur J. Gallagher & Co. (AJG), sorted by most recent first. Each row links to the full filing on EdgarLookup. Arthur J. Gallagher & Co. has filed 29 10-K documents with the SEC since 2017. To view all SEC filings by Arthur J. Gallagher & Co., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
13F-HR
13F-HR/A
13F-NT
13F-NT/A
144
144/A
3
4
4/A
424B2
424B3
424B5
424B7
5
5/A
8-A12B/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
IRANNOTICE
N-PX
POS AM
PRE 14A
S-1
S-3
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K | 10-K | 0001628280-26-008662 | Feb 17, 2026 | Dec 31, 2025 |
| 10-K | 10-K | 0000950170-25-021775 | Feb 18, 2025 | Dec 31, 2024 |
| 10-K | 10-K | 0000950170-24-013370 | Feb 9, 2024 | Dec 31, 2023 |
| 10-K | 10-K | 0000950170-23-002456 | Feb 10, 2023 | Dec 31, 2022 |
| 10-K | 10-K | 0001564590-22-005714 | Feb 18, 2022 | Dec 31, 2021 |
| 10-K | 10-K | 0001564590-21-004555 | Feb 8, 2021 | Dec 31, 2020 |
| 10-K | 10-K | 0001193125-20-028191 | Feb 7, 2020 | Dec 31, 2019 |
| 10-K | 10-K | 0001193125-19-032304 | Feb 8, 2019 | Dec 31, 2018 |
| 10-K | 10-K | 0001193125-18-038261 | Feb 12, 2018 | Dec 31, 2017 |
| 10-K | FORM 10-K | 0001193125-17-038619 | Feb 13, 2017 | Dec 31, 2016 |
| 10-K | 10-K | 0001193125-16-457703 | Feb 10, 2016 | Dec 31, 2015 |
| 10-K | FORM 10-K | 0001193125-15-047308 | Feb 13, 2015 | Dec 31, 2014 |
| 10-K | FORM 10-K | 0001193125-14-040834 | Feb 7, 2014 | Dec 31, 2013 |
| 10-K | FORM 10-K | 0001193125-13-046126 | Feb 8, 2013 | Dec 31, 2012 |
| 10-K | FORM 10-K | 0001193125-12-061292 | Feb 14, 2012 | Dec 31, 2011 |
| 10-K | FORM 10-K | 0001193125-11-025625 | Feb 7, 2011 | Dec 31, 2010 |
| 10-K | FORM 10-K | 0001193125-10-023360 | Feb 5, 2010 | Dec 31, 2009 |
| 10-K | FORM 10-K | 0001193125-09-021344 | Feb 6, 2009 | Dec 31, 2008 |
| 10-K | FORM 10-K | 0001193125-08-018228 | Feb 4, 2008 | Dec 31, 2007 |
| 10-K | FORM 10-K | 0001193125-07-019450 | Feb 5, 2007 | Dec 31, 2006 |
| 10-K | FORM 10-K | 0001193125-06-023110 | Feb 8, 2006 | Dec 31, 2005 |
| 10-K | FORM 10-K | 0001193125-05-013417 | Jan 28, 2005 | Dec 31, 2004 |
| 10-K | FORM 10-K | 0001193125-04-016970 | Feb 9, 2004 | Dec 31, 2003 |
| 10-K | FORM 10-K | 0000950131-03-001589 | Mar 25, 2003 | Dec 31, 2002 |
| 10-K | FORM 10-K | 0000950131-01-500324 | Mar 27, 2001 | Dec 31, 2000 |
| 10-K | FORM 10-K | 0000950131-00-001929 | Mar 23, 2000 | Dec 31, 1999 |
| 10-K | FORM 10-K | 0000950131-99-001752 | Mar 26, 1999 | Dec 31, 1998 |
| 10-K | FORM 10-K | 0000950131-97-001973 | Mar 21, 1997 | Dec 31, 1996 |
| 10-K | FORM 10-K | 0000950131-96-000860 | Mar 4, 1996 | Dec 31, 1995 |