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BERKSHIRE HATHAWAY INC — All Filings

1,000 total filings on record

Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.

Overview All Filings Financials Insiders
All 10-K 10-Q 10-Q/A 11-K 11-K/A 13F-HR 13F-HR/A 13FCONP 144 25-NSE 3 3/A 4 4/A 424B2 424B3 424B5 425 5 5/A 8-A12B 8-A12B/A 8-K 8-K/A ARS CERT CERTNYS CORRESP DEF 14A DEFA14A EFFECT FWP IRANNOTICE NO ACT POS AM PRE 14A PRER14A PX14A6G REGDEX RW S-3 S-3/A S-3ASR S-4 S-4/A S-4MEF S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-T SC TO-T/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
4 PRIMARY DOCUMENT 0001728451-26-000001 Mar 27, 2026
SCHEDULE 13G/A 0000102909-26-000775 Mar 26, 2026
4 4 0001193125-26-116315 Mar 19, 2026 Mar 17, 2026
DEFA14A DEFA14A 0001193125-26-106273 Mar 13, 2026
DEFA14A DEFA14A 0001193125-26-106263 Mar 13, 2026
DEF 14A DEF 14A 0001193125-26-106253 Mar 13, 2026 May 2, 2026
ARS ARS 0001193125-26-106284 Mar 13, 2026 Dec 31, 2025
8-K 8-K 0001193125-26-092557 Mar 5, 2026 Mar 4, 2026
4 4 0001193125-26-092556 Mar 5, 2026 Mar 4, 2026
8-K 8-K 0001193125-26-085801 Mar 2, 2026 Feb 28, 2026
10-K 10-K 0001193125-26-083899 Mar 2, 2026 Dec 31, 2025
13F-HR 0001193125-26-054580 Feb 17, 2026 Dec 31, 2025
SCHEDULE 13G/A 0001193125-26-054571 Feb 17, 2026
3 3 0001193125-26-054931 Feb 17, 2026 Dec 15, 2025
4 4 0001193125-26-054947 Feb 17, 2026 Jan 6, 2026
SCHEDULE 13G 0001193125-26-054685 Feb 17, 2026
SCHEDULE 13G/A 0000315066-26-000368 Feb 5, 2026
8-K/A 8-K/A 0001193125-26-004727 Jan 6, 2026 May 3, 2025
S-8 POS S-8 POS 0001193125-25-331138 Dec 23, 2025
8-K 8-K 0001193125-25-314935 Dec 11, 2025 Dec 8, 2025
8-K 8-K 0001193125-25-290864 Nov 21, 2025 Nov 20, 2025
424B5 424B5 0001193125-25-286108 Nov 18, 2025
FWP FWP 0001193125-25-281840 Nov 14, 2025
13F-HR 0001193125-25-282901 Nov 14, 2025 Sep 30, 2025
SCHEDULE 13G/A 0001193125-25-283606 Nov 14, 2025
SCHEDULE 13D/A 0001193125-25-277436 Nov 12, 2025
4 4 0001193125-25-277658 Nov 12, 2025 Nov 10, 2025
424B5 424B5 0001193125-25-267653 Nov 6, 2025
4 4 0001193125-25-267252 Nov 5, 2025 Nov 3, 2025
8-K 8-K 0001193125-25-262260 Nov 3, 2025 Nov 1, 2025
10-Q 10-Q 0001193125-25-261548 Nov 3, 2025 Sep 30, 2025
4 PRIMARY DOCUMENT 0001728451-25-000009 Oct 24, 2025 Oct 22, 2025
8-K 8-K 0001193125-25-229405 Oct 3, 2025 Sep 30, 2025
SD SD 0001193125-25-223232 Sep 29, 2025
4 PRIMARY DOCUMENT 0001728451-25-000007 Sep 26, 2025 Sep 24, 2025
4 PRIMARY DOCUMENT 0001728451-25-000008 Sep 26, 2025
13F-HR/A 0000950123-25-008361 Aug 14, 2025 Mar 31, 2025
13F-HR 0000950123-25-008343 Aug 14, 2025 Jun 30, 2025
4 PRIMARY DOCUMENT 0001728451-25-000006 Aug 8, 2025
10-Q 10-Q 0000950170-25-101578 Aug 4, 2025 Jun 30, 2025
8-K 8-K 0001193125-25-172579 Aug 4, 2025 Aug 2, 2025
4 4 0000950170-25-096373 Jul 16, 2025 Jul 14, 2025
SCHEDULE 13D/A 0000950170-25-091802 Jun 30, 2025
4 4 0000950170-25-091838 Jun 30, 2025 Jun 27, 2025
11-K 11-K 0001193125-25-149269 Jun 27, 2025 Dec 31, 2024
11-K 11-K 0001193125-25-146903 Jun 25, 2025 Dec 31, 2024
11-K 11-K 0001193125-25-145622 Jun 24, 2025 Dec 31, 2024
11-K 11-K 0001193125-25-144506 Jun 23, 2025 Dec 31, 2024
11-K 11-K 0001193125-25-144508 Jun 23, 2025 Dec 31, 2024
11-K 11-K 0001193125-25-144737 Jun 23, 2025 Dec 31, 2024