Berkshire Hathaway Inc.SEC Filings
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All SEC filings by Berkshire Hathaway Inc. (BRK-A) — annual and quarterly reports, current reports, registrations, proxies and ownership forms, updated in real time.
Financials
| 10-Q | Quarterly report | View Diff | Aug 10, 2026 | |
| 10-Q | Quarterly report | View Diff | May 4, 2026 | |
| ARS | Annual report to shareholders | Mar 13, 2026 | ||
| 10-K | Annual report | View Diff | Mar 2, 2026 | |
| 10-Q | Quarterly report | View Diff | Nov 3, 2025 | |
| 10-Q | Quarterly report | View Diff | Aug 4, 2025 | |
| 10-Q | Quarterly report | View Diff | May 5, 2025 | |
| ARS | Annual report to shareholders | Mar 14, 2025 | ||
| 10-K | Annual report | View Diff | Feb 24, 2025 | |
| 10-Q | Quarterly report | View Diff | Nov 4, 2024 |
Events
| 8-K | Berkshires Operating Results for the Second Quarter and First Six Months of 2026 and 2025 Are Summarized in the Following Paragraphs. However, We Urge Investors and Reporters to Read Our | Aug 11, 2026 | ||
| 8-K | First Quarter 2026 Earnings Release | May 7, 2026 | ||
| 8-K | Other Events | Apr 16, 2026 | ||
| 8-K | Other Events | Mar 5, 2026 | ||
| 8-K | Results of Operations and Financial Condition | Mar 2, 2026 | ||
| 8-K/A | Departure of Directors or Certain Officers | Jan 6, 2026 | ||
| 8-K | Berkshire Hathaway Announces Leadership Appointments | Dec 11, 2025 | ||
| 8-K | Other Events | Nov 21, 2025 | ||
| 8-K | Results of Operations and Financial Condition | Nov 3, 2025 | ||
| 8-K | Amendments to Articles of Incorporation or Bylaws | Oct 3, 2025 |
Registrations and Prospectuses
| S-8 POS | Registration of securities for employees (post-effective amendment) | Jun 22, 2026 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | Jun 22, 2026 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | Jun 22, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Apr 14, 2026 | ||
| FWP | Free writing prospectus | Apr 10, 2026 | ||
| FWP | Free writing prospectus | Apr 10, 2026 | ||
| 424B5 | Prospectus supplement for primary offering | Apr 1, 2026 | ||
| S-8 POS | Registration of securities for employees (post-effective amendment) | Dec 23, 2025 | ||
| 424B5 | Prospectus supplement for primary offering | Nov 18, 2025 | ||
| FWP | Free writing prospectus | Nov 14, 2025 |
Proxies
| DEFA14A | Annual Meeting of Shareholders | Mar 13, 2026 | ||
| DEFA14A | Notice of Internet Availability | Mar 13, 2026 | ||
| DEF 14A | Annual Meeting of Shareholders | View Diff | Mar 13, 2026 | |
| PX14A6G | Letter to shareholders | Apr 11, 2025 | ||
| PX14A6G | Letter to shareholders | Apr 3, 2025 | ||
| PX14A6G | Letter to shareholders | Mar 25, 2025 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 14, 2025 | ||
| DEFA14A | Additional proxy soliciting materials | Mar 14, 2025 | ||
| DEF 14A | Definitive proxy | View Diff | Mar 14, 2025 | |
| PX14A6G | Letter to shareholders | Apr 10, 2024 |
Other
| SD | Conflict minerals disclosure | Sep 25, 2026 | ||
| SD | Conflict minerals disclosure | May 22, 2026 | ||
| SD | Conflict minerals disclosure | Sep 29, 2025 | ||
| SD | Conflict minerals disclosure | May 30, 2025 | ||
| UPLOAD | Letter from SEC | Sep 5, 2024 | ||
| CORRESP | Correspondence with SEC | Aug 13, 2024 | ||
| UPLOAD | Letter from SEC | Aug 9, 2024 | ||
| SD | Conflict minerals disclosure | May 30, 2024 | ||
| UPLOAD | Letter from SEC | Aug 16, 2023 | ||
| CORRESP | Correspondence with SEC | Aug 3, 2023 |
Ownership
| SC 13G/A | Berkshire Hathaway Inc Updates Stake in Lennar Corp | Oct 7, 2026 | ||
| 4 | Berkshire Hathaway Inc | Oct 5, 2026 | ||
| 4 | Berkshire Hathaway Inc | Sep 30, 2026 | ||
| 4 | Jain Ajit | Sep 29, 2026 | ||
| 4 | Berkshire Hathaway Inc | Sep 25, 2026 | ||
| 4 | Berkshire Hathaway Inc | Sep 21, 2026 | ||
| 3 | Berkshire Hathaway Inc | Sep 21, 2026 | ||
| 4 | Jain Ajit | Sep 4, 2026 | ||
| SC 13G/A | Berkshire Hathaway Inc Updates Stake in Delta Air Lines, Inc. | Aug 14, 2026 | ||
| SC 13G | Berkshire Hathaway Inc Acquires Stake in Lennar Corp | Aug 14, 2026 |