GHC - CIK 0000104889
Graham Holdings Co has filed 1,251 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (519 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 |
|---|---|---|---|
| Insider trade | 4 | 2014-08-25 | 2014-08-21 |
| SEC correspondence | UPLOAD | 2014-08-21 | - |
| Major company event | 8-K | 2014-08-08 | 2014-08-05 |
| Passive ownership stake (update) | SC 13G/A | 2014-08-08 | - |
| Quarterly report | 10-Q | 2014-08-06 | 2014-06-30 |
| Major company event | 8-K | 2014-08-01 | 2014-08-01 |
| Major company event | 8-K | 2014-07-16 | 2014-07-16 |
| Insider trade | 4 | 2014-07-10 | 2014-07-09 |
| Major company event | 8-K | 2014-07-07 | 2014-06-30 |
| Insider trade | 4 | 2014-07-02 | 2014-06-30 |
| Activist ownership stake (update) | SC 13D/A | 2014-07-02 | - |
| Activist ownership stake (update) | SC 13D/A | 2014-07-01 | - |
| SD | - | 2014-06-02 | - |
| Insider trade | 4 | 2014-05-20 | 2014-05-16 |
| Insider trade | 4 | 2014-05-13 | 2014-05-09 |
| Major company event | 8-K | 2014-05-13 | 2014-05-08 |
| Quarterly report | 10-Q | 2014-05-07 | 2014-03-31 |
| Major company event | 8-K | 2014-05-02 | 2014-05-02 |
| Activist ownership stake (update) | SC 13D/A | 2014-04-14 | - |
| Major company event | 8-K | 2014-04-14 | 2014-04-10 |
| New insider ownership | 3 | 2014-04-10 | 2014-04-01 |
| Insider trade | 4 | 2014-04-03 | 2014-03-21 |
| Proxy statement | DEF 14A | 2014-03-26 | 2014-03-26 |
| Activist ownership stake (update) | SC 13D/A | 2014-03-19 | - |
| Major company event | 8-K | 2014-03-13 | 2014-03-12 |
| Activist ownership stake (update) | SC 13D/A | 2014-03-12 | - |
| Activist ownership stake (update) | SC 13D/A | 2014-03-12 | - |
| Annual report | 10-K | 2014-02-28 | 2013-12-31 |
| Major company event | 8-K | 2014-02-21 | 2014-02-21 |
| Passive ownership stake (update) | SC 13G/A | 2014-02-14 | - |
| Activist ownership stake (update) | SC 13D/A | 2014-02-12 | - |
| Passive ownership stake (update) | SC 13G/A | 2014-02-10 | - |
| Major company event | 8-K | 2013-12-03 | 2013-11-27 |
| Major company event | 8-K | 2013-11-29 | 2013-11-29 |
| Major company event | 8-K | 2013-11-18 | 2013-11-15 |
| Quarterly report | 10-Q | 2013-11-06 | 2013-09-30 |
| Major company event | 8-K | 2013-11-01 | 2013-11-01 |
| Insider trade | 4 | 2013-10-11 | 2013-10-10 |
| Insider trade | 4 | 2013-10-08 | 2013-10-04 |
| Major company event | 8-K | 2013-10-07 | 2013-10-01 |
| Insider trade | 4 | 2013-10-03 | 2013-10-01 |
| Quarterly report | 10-Q | 2013-08-07 | 2013-06-30 |
| Major company event | 8-K | 2013-08-05 | 2013-08-05 |
| Major company event | 8-K | 2013-08-02 | 2013-08-02 |
| Activist ownership stake (update) | SC 13D/A | 2013-07-26 | - |
| Employee stock plan | S-8 | 2013-06-24 | - |
| Major company event | 8-K | 2013-05-16 | 2013-05-09 |
| Quarterly report | 10-Q | 2013-05-07 | 2013-03-31 |
| Major company event | 8-K | 2013-05-03 | 2013-05-03 |
| Activist ownership stake (update) | SC 13D/A | 2013-04-30 | - |