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Arthur J. Gallagher & Co. — 8-K Filings

339 8-K filings on record

This page lists all 8-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 339 8-K documents with the SEC since 2017. To view all SEC filings by Arthur J. Gallagher & Co., see the full filings list.

Overview All Filings Financials Insiders
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
8-K 8-K 0000354190-26-000073 Mar 17, 2026
8-K 8-K 0000354190-26-000069 Mar 12, 2026 Mar 6, 2026
8-K 8-K 0001193125-26-029407 Jan 29, 2026
8-K 8-K 0000354190-25-000054 Dec 16, 2025
8-K 8-K 0001193125-25-258781 Oct 30, 2025
8-K 8-K 0000354190-25-000037 Sep 18, 2025
8-K 8-K 0000354190-25-000019 Aug 18, 2025
8-K 8-K 0001193125-25-170602 Jul 31, 2025
8-K 8-K 0001193125-25-134909 Jun 4, 2025
8-K 8-K 0001193125-25-119833 May 14, 2025 May 13, 2025
8-K 8-K 0001193125-25-110014 May 1, 2025
8-K 8-K 0001193125-25-073495 Apr 4, 2025 Apr 3, 2025
8-K 8-K 0001193125-25-058392 Mar 20, 2025
8-K 8-K 0001193125-25-017328 Jan 30, 2025 Jan 29, 2025
8-K 8-K 0001193125-24-282109 Dec 19, 2024
8-K 8-K 0001193125-24-275765 Dec 11, 2024 Dec 9, 2024
8-K 8-K 0001193125-24-272811 Dec 9, 2024 Dec 7, 2024
8-K 8-K 0001193125-24-242871 Oct 24, 2024
8-K 8-K 0001193125-24-221794 Sep 19, 2024
8-K 8-K 0001193125-24-184856 Jul 25, 2024 Jul 24, 2024
8-K 8-K 0001193125-24-167503 Jun 25, 2024
8-K 8-K 0001193125-24-134191 May 8, 2024 May 7, 2024
8-K 8-K 0001193125-24-113968 Apr 25, 2024
8-K 8-K 0001193125-24-073326 Mar 21, 2024
8-K 8-K 0001193125-24-067927 Mar 14, 2024
8-K 8-K 0001193125-24-037550 Feb 15, 2024 Feb 12, 2024
8-K 8-K 0001193125-24-015499 Jan 25, 2024
8-K 8-K 0001193125-23-293935 Dec 13, 2023
8-K 8-K 0001193125-23-269382 Nov 2, 2023 Oct 30, 2023
8-K 8-K 0001193125-23-264115 Oct 26, 2023
8-K 8-K 0001193125-23-233953 Sep 13, 2023
8-K 8-K 0001193125-23-196121 Jul 27, 2023
8-K 8-K 0001193125-23-173975 Jun 23, 2023 Jun 22, 2023
8-K 8-K 0001193125-23-167447 Jun 15, 2023
8-K 8-K 0001193125-23-141998 May 11, 2023 May 9, 2023
8-K 8-K 0001193125-23-122244 Apr 27, 2023
8-K 8-K 0001193125-23-072023 Mar 16, 2023
8-K 8-K 0001193125-23-057296 Mar 2, 2023 Feb 27, 2023
8-K 8-K 0001193125-23-016262 Jan 26, 2023
8-K 8-K 0001193125-22-303273 Dec 13, 2022
8-K 8-K 0001193125-22-299439 Dec 6, 2022
8-K 8-K 0001193125-22-286302 Nov 16, 2022 Nov 15, 2022
8-K 8-K 0001193125-22-270995 Oct 27, 2022
8-K 8-K 0001193125-22-247415 Sep 20, 2022
8-K 8-K 0001193125-22-216696 Aug 10, 2022
8-K 8-K 0001193125-22-206791 Jul 29, 2022 Jul 27, 2022
8-K 8-K 0001193125-22-204860 Jul 28, 2022
8-K 8-K 0001193125-22-174337 Jun 15, 2022
8-K 8-K 0001193125-22-150052 May 13, 2022 May 10, 2022
8-K 8-K 0001193125-22-127661 Apr 28, 2022