BRK-B
Berkshire Hathaway has filed 997 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 |
|---|---|---|---|
| 8-A12B | - | 2022-04-08 | - |
| Exchange certification | CERT | 2022-04-08 | - |
| Insider trade | 4 | 2022-04-06 | 2022-04-04 |
| New insider ownership | 3 | 2022-04-06 | 2022-04-01 |
| Shareholder proxy notice | PX14A6G | 2022-03-24 | - |
| Major company event | 8-K | 2022-03-18 | 2022-03-18 |
| Shareholder proxy notice | PX14A6G | 2022-03-17 | - |
| Shareholder proxy notice | PX14A6G | 2022-03-17 | - |
| Insider trade | 4 | 2022-03-16 | 2022-03-14 |
| Major company event | 8-K | 2022-03-15 | 2022-03-15 |
| Proxy materials | DEFA14A | 2022-03-11 | - |
| Proxy materials | DEFA14A | 2022-03-11 | - |
| Proxy statement | DEF 14A | 2022-03-11 | 2022-04-30 |
| Insider trade | 4 | 2022-03-11 | 2022-03-09 |
| Prospectus supplement | 424B5 | 2022-03-10 | - |
| Prospectus supplement | 424B5 | 2022-03-09 | - |
| Free writing prospectus | FWP | 2022-03-08 | - |
| Prospectus supplement | 424B5 | 2022-03-08 | - |
| Free writing prospectus | FWP | 2022-03-08 | - |
| Prospectus supplement | 424B5 | 2022-03-07 | - |
| Passive ownership stake | SC 13G | 2022-03-04 | - |
| Insider trade | 4 | 2022-03-04 | 2022-03-02 |
| New insider ownership | 3 | 2022-03-04 | 2022-03-01 |
| Annual insider summary | 5 | 2022-03-04 | 2021-12-31 |
| Major company event | 8-K | 2022-03-01 | 2022-02-26 |
| Annual report | 10-K | 2022-02-28 | 2021-12-31 |
| S-8 POS | - | 2022-02-25 | - |
| Major company event | 8-K | 2022-02-18 | 2022-02-14 |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake | SC 13G | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Activist ownership stake (update) | SC 13D/A | 2022-02-14 | - |
| Institutional holdings | 13F-HR | 2022-02-14 | 2021-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2022-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-09 | - |
| Passive ownership stake | SC 13G | 2022-02-09 | - |
| Passive ownership stake (update) | SC 13G/A | 2022-02-03 | - |
| S-3ASR | - | 2022-01-28 | - |
| Major company event | 8-K | 2022-01-25 | 2022-01-25 |
| Prospectus supplement | 424B5 | 2022-01-14 | - |
| Free writing prospectus | FWP | 2022-01-14 | - |
| Insider trade | 4 | 2022-01-10 | 2022-01-06 |
| Insider trade | 4 | 2022-01-07 | 2021-12-22 |
| Prospectus supplement | 424B5 | 2022-01-05 | - |