BRK-B
Berkshire Hathaway has filed 992 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (273 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Shareholder proxy notice | PX14A6G | 2025-04-11 | - |
| Insider trade | 4 | 2025-04-09 | 2025-04-07 |
| Insider trade | 4 | 2025-04-04 | 2025-04-02 |
| Shareholder proxy notice | PX14A6G | 2025-04-04 | - |
| Prospectus supplement | 424B5 | 2025-04-01 | - |
| Shareholder proxy notice | PX14A6G | 2025-03-25 | - |
| Insider trade | 4 | 2025-03-21 | 2025-03-19 |
| Insider trade | 4 | 2025-03-14 | 2025-03-14 |
| Annual report to shareholders | ARS | 2025-03-14 | 2024-12-31 |
| Proxy materials | DEFA14A | 2025-03-14 | - |
| Proxy materials | DEFA14A | 2025-03-14 | - |
| Proxy statement | DEF 14A | 2025-03-14 | 2025-05-03 |
| Delisting notice | 25-NSE | 2025-03-12 | - |
| Insider trade | 4 | 2025-03-04 | 2025-03-03 |
| Insider trade (amended) | 4/A | 2025-02-25 | 2025-02-24 |
| Major company event | 8-K | 2025-02-24 | 2025-02-22 |
| Annual report | 10-K | 2025-02-24 | 2024-12-31 |
| Insider trade | 4 | 2025-02-19 | 2025-02-14 |
| SCHEDULE 13G/A | - | 2025-02-14 | - |
| SCHEDULE 13G/A | - | 2025-02-14 | - |
| SCHEDULE 13G | - | 2025-02-14 | - |
| Institutional holdings | 13F-HR | 2025-02-14 | 2024-12-31 |
| Insider trade | 4 | 2025-02-13 | 2025-02-11 |
| SCHEDULE 13D/A | - | 2025-02-13 | - |
| Insider trade | 4 | 2025-02-11 | 2025-02-07 |
| Insider trade | 4 | 2025-02-03 | 2025-01-30 |
| S-3ASR | - | 2025-01-31 | - |
| Insider trade | 4 | 2025-01-17 | 2025-01-16 |
| Insider trade | 4 | 2025-01-03 | 2024-12-31 |
| Insider trade | 4 | 2025-01-03 | 2024-12-31 |
| Insider trade | 4 | 2024-12-30 | 2024-12-26 |
| Insider trade | 4 | 2024-12-27 | 2024-12-24 |
| Insider sale notice | 144 | 2024-12-26 | - |
| Insider trade | 4 | 2024-12-26 | 2024-12-20 |
| Insider trade | 4 | 2024-12-19 | 2024-12-17 |
| Insider trade | 4 | 2024-12-19 | 2024-12-17 |
| Insider trade | 4 | 2024-12-19 | 2024-12-17 |
| Insider trade | 4 | 2024-12-11 | 2024-12-09 |
| Insider trade | 4 | 2024-12-04 | 2024-12-03 |
| Activist ownership stake (update) | SC 13D/A | 2024-11-25 | - |
| Insider trade | 4 | 2024-11-25 | 2024-11-25 |
| Insider trade | 4 | 2024-11-22 | 2024-11-20 |
| Passive ownership stake | SC 13G | 2024-11-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-11-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-11-14 | - |
| Institutional holdings | 13F-HR | 2024-11-14 | 2024-09-30 |
| Insider trade | 4 | 2024-11-07 | 2024-11-05 |
| Major company event | 8-K | 2024-11-04 | 2024-11-02 |
| Quarterly report | 10-Q | 2024-11-04 | 2024-09-30 |
| Insider trade | 4 | 2024-10-31 | 2024-10-29 |