BRK-B
Berkshire Hathaway has filed 1,001 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 |
|---|---|---|---|
| Employee plan annual report | 11-K | 2020-06-15 | 2019-12-31 |
| Insider trade | 4 | 2020-06-09 | 2020-06-05 |
| Insider trade | 4 | 2020-06-03 | 2020-06-01 |
| Insider trade | 4 | 2020-05-29 | 2020-05-27 |
| Insider trade | 4 | 2020-05-26 | 2020-03-16 |
| SD | - | 2020-05-22 | - |
| Employee plan annual report | 11-K | 2020-05-22 | 2019-12-31 |
| Insider trade | 4 | 2020-05-19 | 2020-05-18 |
| Insider trade | 4 | 2020-05-18 | 2020-05-15 |
| Institutional holdings | 13F-HR | 2020-05-15 | 2020-03-31 |
| Insider trade (amended) | 4/A | 2020-05-14 | 2020-05-11 |
| Insider trade | 4 | 2020-05-13 | 2020-05-11 |
| New insider ownership | 3 | 2020-05-12 | 2020-05-02 |
| Passive ownership stake (update) | SC 13G/A | 2020-05-07 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-05-07 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-05-07 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-05-07 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-05-07 | - |
| Major company event | 8-K | 2020-05-05 | 2020-05-02 |
| Quarterly report | 10-Q | 2020-05-04 | 2020-03-31 |
| New insider ownership | 3 | 2020-04-24 | 2020-04-15 |
| Major company event | 8-K | 2020-04-16 | 2020-04-16 |
| Prospectus supplement | 424B5 | 2020-04-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-04-10 | - |
| Insider trade | 4 | 2020-04-09 | 2020-04-07 |
| Free writing prospectus | FWP | 2020-04-09 | - |
| Insider trade | 4 | 2020-04-03 | 2020-03-16 |
| Insider trade | 4 | 2020-04-03 | 2020-04-01 |
| 8-A12B | - | 2020-04-02 | - |
| Exchange certification | CERT | 2020-04-02 | - |
| Prospectus supplement | 424B5 | 2020-03-25 | - |
| Insider trade | 4 | 2020-03-18 | 2020-03-16 |
| Proxy materials | DEFA14A | 2020-03-18 | - |
| Delisting notice | 25-NSE | 2020-03-16 | - |
| New insider ownership | 3 | 2020-03-13 | 2020-03-03 |
| Proxy statement | DEF 14A | 2020-03-13 | 2020-05-02 |
| Major company event | 8-K | 2020-03-13 | 2020-03-12 |
| Prospectus supplement | 424B5 | 2020-03-06 | - |
| Prospectus supplement | 424B5 | 2020-03-06 | - |
| Free writing prospectus | FWP | 2020-03-05 | - |
| Free writing prospectus | FWP | 2020-03-05 | - |
| Prospectus supplement | 424B5 | 2020-03-04 | - |
| Prospectus supplement | 424B5 | 2020-03-04 | - |
| Insider trade | 4 | 2020-03-02 | 2020-02-28 |
| Insider trade | 4 | 2020-03-02 | 2020-02-27 |
| Major company event | 8-K | 2020-02-25 | 2020-02-22 |
| Annual report | 10-K | 2020-02-24 | 2019-12-31 |
| Annual insider summary | 5 | 2020-02-14 | 2019-12-31 |
| Passive ownership stake (update) | SC 13G/A | 2020-02-14 | - |
| Passive ownership stake (update) | SC 13G/A | 2020-02-14 | - |