Berkshire Hathaway Inc SEC filings BRK-A

Berkshire Hathaway Inc has 1,001 filings in SEC EDGAR's recent list, going back to Feb 14, 2017. Its latest annual report, Form ARS, was filed on Mar 13, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 11, 2026 (results of operations). The company's fiscal year ends on December 31.

Berkshire Hathaway Inc SEC filings
Form Description Filed Period
SD Specialized disclosure (conflict minerals) Sep 25, 2026 —
8-K Current report
Results of operations
Aug 11, 2026 Aug 8, 2026
10-Q Quarterly report Aug 10, 2026 Jun 30, 2026
11-K Employee savings plan report Jun 25, 2026 Dec 31, 2025
S-8 POS Filing Jun 22, 2026 —
S-8 POS Filing Jun 22, 2026 —
S-8 POS Filing Jun 22, 2026 —
11-K Employee savings plan report Jun 18, 2026 Dec 31, 2025
11-K Employee savings plan report Jun 16, 2026 Dec 31, 2025
11-K Employee savings plan report Jun 15, 2026 Dec 31, 2025
11-K Employee savings plan report Jun 12, 2026 Dec 31, 2025
11-K Employee savings plan report Jun 12, 2026 Dec 31, 2025
11-K Employee savings plan report Jun 12, 2026 Dec 31, 2025
11-K Employee savings plan report May 29, 2026 Dec 31, 2025
11-K Employee savings plan report May 28, 2026 Dec 31, 2025
SD Specialized disclosure (conflict minerals) May 22, 2026 —
8-K Current report
Results of operations, Officer or director change, Bylaw or fiscal year change, Shareholder vote results
May 7, 2026 May 2, 2026
10-Q Quarterly report May 4, 2026 Mar 31, 2026
8-K Current report
Other events
Apr 16, 2026 Apr 16, 2026
424B5 Prospectus supplement Apr 14, 2026 —
FWP Free writing prospectus Apr 10, 2026 —
424B5 Prospectus supplement Apr 2, 2026 —
ARS Annual report to shareholders Mar 13, 2026 Dec 31, 2025
DEFA14A Additional proxy material Mar 13, 2026 —
DEFA14A Additional proxy material Mar 13, 2026 —
DEF 14A Proxy statement Mar 13, 2026 May 2, 2026
8-K Current report
Other events
Mar 5, 2026 Mar 4, 2026
8-K Current report
Results of operations
Mar 2, 2026 Feb 28, 2026
10-K Annual report Mar 2, 2026 Dec 31, 2025
8-K/A Amended current report
Officer or director change
Jan 6, 2026 May 3, 2025
S-8 POS Filing Dec 23, 2025 —
8-K Current report
Officer or director change
Dec 11, 2025 Dec 8, 2025
8-K Current report
Other events
Nov 21, 2025 Nov 20, 2025
424B5 Prospectus supplement Nov 18, 2025 —
FWP Free writing prospectus Nov 14, 2025 —
424B5 Prospectus supplement Nov 6, 2025 —
8-K Current report
Results of operations
Nov 3, 2025 Nov 1, 2025
10-Q Quarterly report Nov 3, 2025 Sep 30, 2025
8-K Current report
Bylaw or fiscal year change
Oct 3, 2025 Sep 30, 2025
SD Specialized disclosure (conflict minerals) Sep 29, 2025 —
8-K Current report
Results of operations
Aug 4, 2025 Aug 2, 2025
10-Q Quarterly report Aug 4, 2025 Jun 30, 2025
11-K Employee savings plan report Jun 27, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 25, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 24, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 23, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 23, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 23, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 20, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 20, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 20, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 18, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 13, 2025 Dec 31, 2024
11-K Employee savings plan report Jun 11, 2025 Dec 31, 2024
SD Specialized disclosure (conflict minerals) May 30, 2025 —
8-K Current report
Officer or director change
May 8, 2025 May 3, 2025
8-K Current report
Results of operations, Shareholder vote results
May 6, 2025 May 3, 2025
10-Q Quarterly report May 5, 2025 Mar 31, 2025
8-K Current report
Other events
Apr 17, 2025 Apr 17, 2025
424B5 Prospectus supplement Apr 15, 2025 —
PX14A6G National legal and policy center - px14a6g Apr 11, 2025 —
FWP Free writing prospectus Apr 11, 2025 —
PX14A6G Filing Apr 4, 2025 —
424B5 Prospectus supplement Apr 1, 2025 —
PX14A6G Filing Mar 25, 2025 —
ARS Annual report to shareholders Mar 14, 2025 Dec 31, 2024
DEFA14A Additional proxy material Mar 14, 2025 —
DEFA14A Additional proxy material Mar 14, 2025 —
DEF 14A Proxy statement Mar 14, 2025 May 3, 2025
25-NSE Delisting notice Mar 12, 2025 —
8-K Current report
Results of operations
Feb 24, 2025 Feb 22, 2025
10-K Annual report Feb 24, 2025 Dec 31, 2024
S-3ASR Automatic shelf registration Jan 31, 2025 —
8-K Current report
Results of operations
Nov 4, 2024 Nov 2, 2024
10-Q Quarterly report Nov 4, 2024 Sep 30, 2024
8-K Current report
Other events
Oct 23, 2024 Oct 23, 2024
424B5 Prospectus supplement Oct 11, 2024 —
FWP Free writing prospectus Oct 10, 2024 —
424B5 Prospectus supplement Oct 1, 2024 —
UPLOAD Letter from the SEC Sep 5, 2024 —
CORRESP Letter to the SEC Aug 13, 2024 —
UPLOAD Letter from the SEC Aug 9, 2024 —
8-K Current report
Results of operations
Aug 5, 2024 Aug 3, 2024
10-Q Quarterly report Aug 5, 2024 Jun 30, 2024
11-K Employee savings plan report Jun 28, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 26, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 21, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 21, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 18, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 18, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 18, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 14, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 14, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 14, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 14, 2024 Dec 31, 2023
11-K Employee savings plan report Jun 13, 2024 Dec 31, 2023
SD Specialized disclosure (conflict minerals) May 30, 2024 —
8-K Current report
Results of operations, Shareholder vote results
May 7, 2024 May 4, 2024
10-Q Quarterly report May 6, 2024 Mar 31, 2024
8-K Current report
Other events
Apr 26, 2024 Apr 25, 2024
424B5 Prospectus supplement Apr 22, 2024 —
FWP Free writing prospectus Apr 18, 2024 —
PX14A6G National legal and policy center - px14a6g Apr 10, 2024 —
424B5 Prospectus supplement Apr 9, 2024 —
PX14A6G Filing Apr 5, 2024 —
PX14A6G Filing Apr 5, 2024 —
PX14A6G Filing Mar 22, 2024 —
ARS Annual report to shareholders Mar 15, 2024 Dec 31, 2023
DEFA14A Additional proxy material Mar 15, 2024 —
DEFA14A Additional proxy material Mar 15, 2024 —
DEF 14A Proxy statement Mar 15, 2024 May 4, 2024
25-NSE Delisting notice Mar 15, 2024 —
8-K Current report
Results of operations
Feb 26, 2024 Feb 24, 2024
10-K Annual report Feb 26, 2024 Dec 31, 2023
8-K Current report
Other events
Jan 10, 2024 Jan 6, 2024
8-K Current report
Other events
Dec 1, 2023 Nov 28, 2023
8-K Current report
Other events
Nov 29, 2023 Nov 29, 2023
424B5 Prospectus supplement Nov 20, 2023 —
FWP Free writing prospectus Nov 17, 2023 —
424B5 Prospectus supplement Nov 8, 2023 —
8-K Current report
Results of operations
Nov 7, 2023 Nov 4, 2023
10-Q Quarterly report Nov 6, 2023 Sep 30, 2023
UPLOAD Letter from the SEC Aug 16, 2023 —
8-K Current report
Results of operations
Aug 7, 2023 Aug 5, 2023
10-Q Quarterly report Aug 7, 2023 Jun 30, 2023
CORRESP Letter to the SEC Aug 3, 2023 —
UPLOAD Letter from the SEC Jul 28, 2023 —
11-K Employee savings plan report Jun 29, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 28, 2023 Dec 31, 2022
11-K/A Filing Jun 27, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 26, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 23, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 23, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 23, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 22, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 20, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 20, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 20, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 16, 2023 Dec 31, 2022
11-K Employee savings plan report Jun 9, 2023 Dec 31, 2022
SD Specialized disclosure (conflict minerals) May 26, 2023 —
8-K Current report
Results of operations, Bylaw or fiscal year change, Shareholder vote results
May 10, 2023 May 6, 2023
10-Q Quarterly report May 8, 2023 Mar 31, 2023
8-K Current report
Other events
May 2, 2023 Apr 26, 2023
PX14A6G National legal and policy center - px14a6g Apr 21, 2023 —
8-K Current report
Other events
Apr 20, 2023 Apr 20, 2023
424B5 Prospectus supplement Apr 17, 2023 —
PX14A6G Notice of exempt solicitation Apr 14, 2023 —
FWP Free writing prospectus Apr 14, 2023 —
PX14A6G Filing Apr 13, 2023 —
PX14A6G Filing Apr 12, 2023 —
PX14A6G Filing Apr 6, 2023 —
PX14A6G Filing Apr 6, 2023 —
424B5 Prospectus supplement Apr 5, 2023 —
ARS Annual report to shareholders Mar 17, 2023 Dec 31, 2022
DEFA14A Additional proxy material Mar 17, 2023 —
DEFA14A Additional proxy material Mar 17, 2023 —
DEF 14A Proxy statement Mar 17, 2023 —
25-NSE Delisting notice Mar 16, 2023 —
8-K Current report
Results of operations
Mar 1, 2023 Feb 25, 2023
10-K Annual report Feb 27, 2023 Dec 31, 2022
25-NSE Delisting notice Jan 17, 2023 —
8-K Current report
Officer or director change
Dec 19, 2022 Dec 19, 2022
8-K Current report
Other events
Dec 8, 2022 Dec 8, 2022
424B5 Prospectus supplement Dec 2, 2022 —
FWP Free writing prospectus Dec 1, 2022 —
424B5 Prospectus supplement Nov 21, 2022 —
8-K Current report
Results of operations
Nov 8, 2022 Nov 5, 2022
10-Q Quarterly report Nov 7, 2022 Sep 30, 2022
8-K Current report
Listing notice
Oct 4, 2022 Sep 28, 2022
UPLOAD Letter from the SEC Oct 3, 2022 —
CORRESP Letter to the SEC Sep 8, 2022 —
UPLOAD Letter from the SEC Sep 2, 2022 —
10-Q Quarterly report Aug 8, 2022 Jun 30, 2022
S-8 Employee stock plan registration Jul 1, 2022 —
11-K Employee savings plan report Jun 29, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 28, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 27, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 27, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 27, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 27, 2022 Dec 31, 2021
S-8 POS Filing Jun 24, 2022 —
11-K Employee savings plan report Jun 23, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 22, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 21, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 17, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 17, 2022 Dec 31, 2021
11-K Employee savings plan report Jun 14, 2022 Dec 31, 2021
SD Specialized disclosure (conflict minerals) May 27, 2022 —
8-K Current report
Results of operations, Bylaw or fiscal year change, Shareholder vote results, Other events
May 4, 2022 Apr 30, 2022
10-Q Quarterly report May 2, 2022 Mar 31, 2022
PX14A6G Filing Apr 19, 2022 —
PX14A6G Filing Apr 13, 2022 —
CERT Nyse certification Apr 8, 2022 —
8-A12B Filing Apr 8, 2022 —
PX14A6G Notice of exempt solicitation Mar 24, 2022 —
8-K Current report
Other events
Mar 18, 2022 Mar 18, 2022
PX14A6G Filing Mar 17, 2022 —
PX14A6G Filing Mar 17, 2022 —
8-K Current report
Other events
Mar 15, 2022 Mar 15, 2022

Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Fire, Marine & Casualty Insurance (SIC 6331)
Listed as
BRK-B (NYSE), BRK-A (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Omaha, NE
SEC filer status
Large accelerated filer
SEC CIK
1067983
Former names
NBH INC (until Jan 5, 1999)

Other Fire, Marine & Casualty Insurance companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.