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 |
| 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 |
| 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 |
| 3 | Initial insider ownership | Jun 10, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 26, 2026 | 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 |
| 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 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 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 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 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 |
| 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 |
| 4 | Insider transaction | Nov 12, 2025 | Nov 10, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 12, 2025 | — |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Oct 29, 2025 | Oct 27, 2025 |
| 4 | Insider transaction | Oct 24, 2025 | Oct 22, 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 |
| 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 | — |
| 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 |
| 4 | Insider transaction | Apr 9, 2025 | Apr 7, 2025 |
| 4 | Insider transaction | Apr 4, 2025 | Apr 2, 2025 |
| 4 | Insider transaction | Mar 21, 2025 | Mar 19, 2025 |
| 4 | Insider transaction | Mar 14, 2025 | Mar 14, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4/A | Filing | Feb 25, 2025 | Feb 24, 2025 |
| 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 |
| 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 |
| 4 | Insider transaction | Oct 31, 2024 | Oct 29, 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 |
| 4 | Insider transaction | Oct 10, 2024 | Oct 8, 2024 |
| 4 | Insider transaction | Oct 7, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Sep 27, 2024 | Sep 25, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 26, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 26, 2024 | — |
| 4 | Insider transaction | Sep 24, 2024 | Sep 20, 2024 |
| 4 | Insider transaction | Sep 19, 2024 | Sep 17, 2024 |
| 3 | Initial insider ownership | Sep 19, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 12, 2024 |
| 4 | Insider transaction | Sep 13, 2024 | Sep 12, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Sep 12, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Sep 11, 2024 | Sep 9, 2024 |
| 4 | Insider transaction | Sep 10, 2024 | Sep 6, 2024 |
| 4 | Insider transaction | Sep 5, 2024 | Sep 3, 2024 |
| 4 | Insider transaction | Aug 30, 2024 | Aug 28, 2024 |
| 4 | Insider transaction | Aug 27, 2024 | Aug 23, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 13F-HR | Filing | Aug 14, 2024 | Jun 30, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 8, 2024 | — |
| 4 | Insider transaction | Aug 1, 2024 | Jul 30, 2024 |
| 4 | Insider transaction | Jul 29, 2024 | Jul 25, 2024 |
| 4 | Insider transaction | Jul 24, 2024 | Jul 22, 2024 |
| 4 | Insider transaction | Jul 19, 2024 | Jul 17, 2024 |
| 4 | Insider transaction | Jul 2, 2024 | Jul 2, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 28, 2024 | — |
| 4 | Insider transaction | Jun 28, 2024 | Jun 28, 2024 |
| 4/A | Filing | Jun 20, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 17, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 12, 2024 | Jun 10, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | May 17, 2024 | May 15, 2024 |
| 13F-HR/A | Filing | May 15, 2024 | Dec 31, 2023 |
| 13F-HR/A | Filing | May 15, 2024 | Sep 30, 2023 |
| 13F-HR | Filing | May 15, 2024 | Mar 31, 2024 |
| 4 | Insider transaction | May 1, 2024 | Apr 29, 2024 |
| 4 | Insider transaction | Apr 26, 2024 | Apr 24, 2024 |
| 4 | Insider transaction | Apr 26, 2024 | Apr 24, 2024 |
| 4 | Insider transaction | Apr 12, 2024 | Apr 10, 2024 |
| 4 | Insider transaction | Apr 12, 2024 | Apr 10, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 4, 2024 |
| 4 | Insider transaction | Apr 8, 2024 | Apr 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 8, 2024 | — |
| 4 | Insider transaction | Mar 28, 2024 | Mar 26, 2024 |
| 4 | Insider transaction | Mar 28, 2024 | Mar 26, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 21, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 12, 2024 | Mar 8, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| 4 | Insider transaction | Mar 6, 2024 | Mar 4, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 16, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 13F-HR | Filing | Feb 14, 2024 | Dec 31, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 5, 2024 | Feb 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 5, 2024 | — |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| 4 | Insider transaction | Feb 1, 2024 | Jan 30, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2024 | — |
| 4 | Insider transaction | Jan 25, 2024 | Jan 23, 2024 |
| 4 | Insider transaction | Jan 25, 2024 | Jan 23, 2024 |
| 4/A | Filing | Jan 18, 2024 | Jan 2, 2024 |
| 4/A | Filing | Jan 18, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 17, 2024 | Jan 12, 2024 |
| 4 | Insider transaction | Jan 17, 2024 | Jan 12, 2024 |
| 4 | Insider transaction | Jan 12, 2024 | Jan 12, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2024 | — |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 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.