GHC - Company ID 0000104889
Graham Holdings Co has filed 1,251 public company documents 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.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| SC 13D | Activist ownership stake | 1y ago2024-09-05 | - | View filing |
| SC 13D | Activist ownership stake | 2y ago2024-05-10 | - | View filing |
| SC 13D | Activist ownership stake | 10y ago2015-11-02 | - | View filing |
| SC 13D | Activist ownership stake | 18y ago2008-02-15 | - | View filing |
| SC 13D | Activist ownership stake | 24y ago2001-09-26 | - | View filing |
| SC 13D | Activist ownership stake | 24y ago2001-09-10 | - | View filing |
| SC 13D | Activist ownership stake | 24y ago2001-09-10 | - | View filing |
| SC 13D | Activist ownership stake | 24y ago2001-09-10 | - | View filing |
| SC 13D | Activist ownership stake | 25y ago2001-04-03 | - | View filing |
| SC 13D | Activist ownership stake | 25y ago2001-04-03 | - | View filing |
| SC 13D | Activist ownership stake | 31y ago1995-02-16 | - | View filing |
| SC 13D | Activist ownership stake | 31y ago1995-02-15 | - | View filing |