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 |
|---|---|---|---|---|
| 4 | Insider trade | 10mo ago2025-08-22 | 2025-08-20 | View filing |
| 4 | Insider trade | 10mo ago2025-08-21 | 2025-08-19 | View filing |
| 13F-HR | Institutional holdings | 11mo ago2025-08-14 | 2025-06-30 | View filing |
| 8-K | Major company event | 11mo ago2025-07-30 | 2025-07-30 | View filing |
| 10-Q | Quarterly report | 11mo ago2025-07-30 | 2025-06-30 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 4 | Insider trade | 1y ago2025-07-02 | 2025-07-01 | View filing |
| 11-K | Employee plan annual report | 1y ago2025-06-27 | 2024-12-31 | View filing |
| 11-K | Employee plan annual report | 1y ago2025-06-27 | 2024-12-31 | View filing |
| 11-K | Employee plan annual report | 1y ago2025-06-27 | 2024-12-31 | View filing |
| SD | SD | 1y ago2025-05-30 | - | View filing |
| 13F-HR | Institutional holdings | 1y ago2025-05-15 | 2025-03-31 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 1y ago2025-05-14 | - | View filing |
| 8-K | Major company event | 1y ago2025-05-07 | 2025-05-06 | View filing |
| 8-K | Major company event | 1y ago2025-04-30 | 2025-04-30 | View filing |
| 10-Q | Quarterly report | 1y ago2025-04-30 | 2025-03-31 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 1y ago2025-04-29 | - | View filing |
| 4 | Insider trade | 1y ago2025-04-03 | 2025-04-01 | View filing |
| 4 | Insider trade | 1y ago2025-04-03 | 2025-04-01 | View filing |
| 4 | Insider trade | 1y ago2025-04-03 | 2025-04-01 | View filing |
| 4 | Insider trade | 1y ago2025-04-03 | 2025-04-01 | View filing |
| 4 | Insider trade | 1y ago2025-04-03 | 2025-04-01 | View filing |
| ARS | Annual report to shareholders | 1y ago2025-03-26 | 2024-12-31 | View filing |
| DEFA14A | Proxy materials | 1y ago2025-03-26 | - | View filing |
| DEF 14A | Proxy statement | 1y ago2025-03-26 | 2025-05-06 | View filing |
| SCHEDULE 13D/A | SCHEDULE 13D/A | 1y ago2025-02-28 | - | View filing |
| 8-K | Major company event | 1y ago2025-02-26 | 2025-02-26 | View filing |
| 10-K | Annual report | 1y ago2025-02-26 | 2024-12-31 | View filing |
| 8-K | Major company event | 1y ago2025-02-25 | 2025-02-25 | View filing |
| 13F-HR | Institutional holdings | 1y ago2025-02-14 | 2024-12-31 | View filing |
| 4 | Insider trade | 1y ago2025-01-29 | 2025-01-27 | View filing |
| 144 | Insider sale notice | 1y ago2025-01-06 | - | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2025-01-06 | 2025-01-02 | View filing |
| 4 | Insider trade | 1y ago2024-11-14 | 2024-11-13 | View filing |
| 13F-HR | Institutional holdings | 1y ago2024-11-14 | 2024-09-30 | View filing |
| 4 | Insider trade | 1y ago2024-11-08 | 2024-11-05 | View filing |
| UPLOAD | SEC correspondence | 1y ago2024-11-07 | - | View filing |
| 4 | Insider trade | 1y ago2024-11-05 | 2024-11-01 | View filing |