Berkshire Hathaway Inc SEC filings BRK-B
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.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 3, 2026 | Oct 30, 2026 |
| 4 | Insider transaction | Oct 29, 2026 | Oct 27, 2026 |
| 4 | Insider transaction | Oct 23, 2026 | Oct 21, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 7, 2026 | — |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 30, 2026 | Sep 28, 2026 |
| 4 | Insider transaction | Sep 29, 2026 | Sep 28, 2026 |
| 4 | Insider transaction | Sep 25, 2026 | Sep 23, 2026 |
| SD | Specialized disclosure (conflict minerals) | Sep 25, 2026 | — |
| 4 | Insider transaction | Sep 21, 2026 | Sep 17, 2026 |
| 3 | Initial insider ownership | Sep 21, 2026 | Sep 17, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 13F-HR | Filing | Aug 14, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 4 | Insider transaction | Aug 13, 2026 | Aug 12, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 11, 2026 | Aug 8, 2026 |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Jul 31, 2026 |
| 4 | Insider transaction | Jul 15, 2026 | Jul 14, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jul 15, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 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 |
| 3 | Initial insider ownership | Jun 10, 2026 | Jun 1, 2026 |
| 11-K | Employee savings plan report | May 29, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | May 28, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | May 26, 2026 | May 22, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 22, 2026 | — |
| 4 | Insider transaction | May 20, 2026 | May 18, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 13F-HR | Filing | May 15, 2026 | Mar 31, 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 |
| 4 | Insider transaction | May 6, 2026 | May 6, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 3 | Initial insider ownership | May 5, 2026 | May 3, 2026 |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 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 | — |
| 4 | Insider transaction | Mar 27, 2026 | Mar 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 19, 2026 | Mar 17, 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 |
| 4 | Insider transaction | 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 |
| 4 | Insider transaction | Feb 17, 2026 | Jan 6, 2026 |
| 3 | Initial insider ownership | Feb 17, 2026 | Dec 15, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 13F-HR | Filing | Feb 17, 2026 | Dec 31, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2026 | — |
| 4 | Insider transaction | Feb 2, 2026 | Jan 29, 2026 |
| 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 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 14, 2025 | — |
| 13F-HR | Filing | Nov 14, 2025 | Sep 30, 2025 |
| FWP | Free writing prospectus | Nov 14, 2025 | — |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 12, 2025 | — |
| 424B5 | Prospectus supplement | Nov 6, 2025 | — |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 3, 2025 | Nov 1, 2025 |
| 10-Q | Quarterly report | Nov 3, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Oct 3, 2025 | Sep 30, 2025 |
| SD | Specialized disclosure (conflict minerals) | Sep 29, 2025 | — |
| 4 | Insider transaction | Sep 26, 2025 | Sep 26, 2025 |
| 4 | Insider transaction | Sep 26, 2025 | Sep 24, 2025 |
| 13F-HR/A | Filing | Aug 14, 2025 | Mar 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| 13F-HR | Filing | Aug 14, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 8, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Jul 31, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Jul 31, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 4, 2025 | Aug 2, 2025 |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 4 | Insider transaction | Aug 1, 2025 | Jul 30, 2025 |
| 4 | Insider transaction | Jul 16, 2025 | Jul 14, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 27, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | 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 | — |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 13F-HR | Filing | May 15, 2025 | Mar 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| 4 | Insider transaction | May 12, 2025 | May 8, 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 | — |
| 4 | Insider transaction | Apr 9, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Apr 2, 2025 |
| PX14A6G | Filing | Apr 4, 2025 | — |
| 424B5 | Prospectus supplement | Apr 1, 2025 | — |
| PX14A6G | Filing | Mar 25, 2025 | — |
| 4 | Insider transaction | Mar 21, 2025 | Mar 19, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 14, 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 | — |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4/A | Filing | Feb 25, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2025 | Feb 22, 2025 |
| 10-K | Annual report | Feb 24, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 19, 2025 | Feb 14, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 13F-HR | Filing | Feb 14, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 11, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 13, 2025 | — |
| 4 | Insider transaction | Feb 11, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 3, 2025 | Jan 30, 2025 |
| S-3ASR | Automatic shelf registration | Jan 31, 2025 | — |
| 4 | Insider transaction | Jan 17, 2025 | Jan 16, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jan 3, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Dec 30, 2024 | Dec 26, 2024 |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 20, 2024 |
| 144 | Notice of proposed sale | Dec 26, 2024 | — |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 19, 2024 | Dec 17, 2024 |
| 4 | Insider transaction | Dec 11, 2024 | Dec 9, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 3, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 25, 2024 | — |
| 4 | Insider transaction | Nov 25, 2024 | Nov 25, 2024 |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 13F-HR | Filing | Nov 14, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Nov 7, 2024 | Nov 5, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 4, 2024 | Nov 2, 2024 |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 31, 2024 | Oct 29, 2024 |
| 8-K |
Current report
Other events
|
Oct 23, 2024 | Oct 23, 2024 |
| 4 | Insider transaction | Oct 18, 2024 | Oct 16, 2024 |
| 4 | Insider transaction | Oct 17, 2024 | Oct 15, 2024 |
| 3 | Initial insider ownership | Oct 17, 2024 | Oct 15, 2024 |
| 4 | Insider transaction | Oct 11, 2024 | Oct 9, 2024 |
| 424B5 | Prospectus supplement | Oct 11, 2024 | — |
| 4 | Insider transaction | Oct 10, 2024 | Oct 8, 2024 |
| FWP | Free writing prospectus | Oct 10, 2024 | — |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 424B5 | Prospectus supplement | Oct 1, 2024 | — |
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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.