BRK-B
Berkshire Hathaway has filed 999 documents with the SEC between 2016 and 2026. The most frequent type is insider trade (274 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 | 2023-04-06 | - |
| Prospectus supplement | 424B5 | 2023-04-05 | - |
| Insider trade | 4 | 2023-03-27 | 2023-03-23 |
| Insider trade | 4 | 2023-03-21 | 2023-03-17 |
| Annual report to shareholders | ARS | 2023-03-17 | 2022-12-31 |
| Proxy materials | DEFA14A | 2023-03-17 | - |
| Proxy materials | DEFA14A | 2023-03-17 | - |
| Proxy statement | DEF 14A | 2023-03-17 | - |
| Delisting notice | 25-NSE | 2023-03-16 | - |
| Insider trade | 4 | 2023-03-15 | 2023-03-13 |
| Insider trade | 4 | 2023-03-07 | 2023-03-03 |
| Insider trade | 4 | 2023-03-03 | 2023-03-02 |
| Major company event | 8-K | 2023-03-01 | 2023-02-25 |
| Annual report | 10-K | 2023-02-27 | 2022-12-31 |
| Insider trade | 4 | 2023-02-24 | 2023-02-24 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake | SC 13G | 2023-02-14 | - |
| Passive ownership stake | SC 13G | 2023-02-14 | - |
| Passive ownership stake | SC 13G | 2023-02-14 | - |
| Passive ownership stake | SC 13G | 2023-02-14 | - |
| Passive ownership stake | SC 13G | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-14 | - |
| Institutional holdings | 13F-HR | 2023-02-14 | 2022-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2023-02-10 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-09 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-09 | - |
| Passive ownership stake (update) | SC 13G/A | 2023-02-03 | - |
| Delisting notice | 25-NSE | 2023-01-17 | - |
| New insider ownership | 3 | 2022-12-29 | 2022-12-19 |
| Major company event | 8-K | 2022-12-19 | 2022-12-19 |
| Insider trade | 4 | 2022-12-14 | 2022-12-12 |
| Major company event | 8-K | 2022-12-08 | 2022-12-08 |
| Prospectus supplement | 424B5 | 2022-12-02 | - |
| Insider trade | 4 | 2022-12-01 | 2022-11-29 |
| Free writing prospectus | FWP | 2022-12-01 | - |
| Activist ownership stake (update) | SC 13D/A | 2022-11-23 | - |
| Insider trade | 4 | 2022-11-23 | 2022-11-22 |
| Prospectus supplement | 424B5 | 2022-11-21 | - |
| Institutional holdings | 13F-HR | 2022-11-14 | 2022-09-30 |
| Passive ownership stake (update) | SC 13G/A | 2022-11-10 | - |
| Major company event | 8-K | 2022-11-08 | 2022-11-05 |
| Quarterly report | 10-Q | 2022-11-07 | 2022-09-30 |
| Insider trade | 4 | 2022-10-06 | 2022-10-04 |
| Major company event | 8-K | 2022-10-04 | 2022-09-28 |
| Insider trade | 4 | 2022-10-03 | 2022-09-29 |