| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| N-PX | Open Document | Open Filing | Aug 27, 2025 | Jun 30, 2025 | 028-22110 | |
| 4 | Open Document | Open Filing | Aug 22, 2025 | Aug 20, 2025 | ||
| 4 | Open Document | Open Filing | Aug 22, 2025 | Aug 20, 2025 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 21, 2025 | Aug 19, 2025 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2025 | Jun 30, 2025 | 028-22110 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jul 30, 2025 | Jul 30, 2025 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jul 30, 2025 | Jun 30, 2025 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2025 | Jul 1, 2025 | |
| 11-K | Open Document | Open Filing | FORM 11-K | Jun 27, 2025 | Dec 31, 2024 | 001-06714 |
| 11-K | Open Document | Open Filing | FORM 11-K | Jun 27, 2025 | Dec 31, 2024 | 001-06714 |
| 11-K | Open Document | Open Filing | FORM 11-K | Jun 27, 2025 | Dec 31, 2024 | 001-06714 |
| SD | Open Document | Open Filing | SD | May 30, 2025 | 001-06714 | |
| 13F-HR | Open Document | Open Filing | May 15, 2025 | Mar 31, 2025 | 028-22110 | |
| SCHEDULE 13G/A | Open Document | Open Filing | May 14, 2025 | |||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 7, 2025 | May 6, 2025 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 30, 2025 | Apr 30, 2025 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Apr 30, 2025 | Mar 31, 2025 | 001-06714 |
| SCHEDULE 13G/A | Open Document | Open Filing | Apr 29, 2025 | 005-64497 | ||
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2025 | Apr 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2025 | Apr 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2025 | Apr 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2025 | Apr 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2025 | Apr 1, 2025 | |
| ARS | Open Document | Open Filing | ARS | Mar 26, 2025 | Dec 31, 2024 | 001-06714 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Mar 26, 2025 | 001-06714 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Mar 26, 2025 | May 6, 2025 | 001-06714 |
| SCHEDULE 13D/A | Open Document | Open Filing | Feb 28, 2025 | 005-64497 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 26, 2025 | Feb 26, 2025 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 26, 2025 | Dec 31, 2024 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 25, 2025 | Feb 25, 2025 | 001-06714 |
| 13F-HR | Open Document | Open Filing | Feb 14, 2025 | Dec 31, 2024 | 028-22110 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 29, 2025 | Jan 27, 2025 | |
| 144 | Open Document | Open Filing | Jan 6, 2025 | 001-06714 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 2, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 14, 2024 | Nov 13, 2024 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2024 | Sep 30, 2024 | 028-22110 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 8, 2024 | Nov 5, 2024 | |
| UPLOAD | Open Document | Open Filing | Nov 7, 2024 | 001-06714 | ||
| 4 | Open Document | Open Filing | Nov 5, 2024 | Nov 1, 2024 | ||
| 4 | Open Document | Open Filing | Nov 5, 2024 | Nov 1, 2024 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Oct 30, 2024 | Oct 30, 2024 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 30, 2024 | Sep 30, 2024 | 001-06714 |
| 4 | Open Document | Open Filing | Oct 17, 2024 | Oct 15, 2024 | ||
| 4 | Open Document | Open Filing | Oct 17, 2024 | Oct 15, 2024 | ||
| 11-K | Open Document | Open Filing | FORM 11-K | Oct 4, 2024 | Dec 31, 2023 | 001-06714 |
| 11-K | Open Document | Open Filing | FORM 11-K | Oct 4, 2024 | Dec 31, 2023 | 001-06714 |
| 11-K | Open Document | Open Filing | FORM 11-K | Oct 4, 2024 | Dec 31, 2023 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | Sep 25, 2024 | Sep 23, 2024 | ||
| 4 | Open Document | Open Filing | Sep 25, 2024 | Sep 23, 2024 | ||
| CORRESP | Open Document | Open Filing | Sep 23, 2024 | |||
| UPLOAD | Open Document | Open Filing | Sep 19, 2024 | 001-06714 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 13, 2024 | Sep 12, 2024 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 13, 2024 | Sep 12, 2024 | |
| 3 | Open Document | Open Filing | Sep 5, 2024 | Sep 3, 2024 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 23 | Sep 5, 2024 | 005-64497 | |
| SC 13D | Open Document | Open Filing | Sep 5, 2024 | 005-64497 | ||
| N-PX | Open Document | Open Filing | Sep 3, 2024 | Jun 30, 2024 | 028-22110 | |
| SC 13G | Open Document | Open Filing | Aug 20, 2024 | |||
| 13F-HR | Open Document | Open Filing | Aug 14, 2024 | Jun 30, 2024 | 028-22110 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jul 31, 2024 | Jul 31, 2024 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jul 31, 2024 | Jun 30, 2024 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 1, 2024 | |
| NT 11-K | Open Document | Open Filing | NT 11-K | Jun 28, 2024 | Dec 31, 2023 | 001-06714 |
| NT 11-K | Open Document | Open Filing | NT 11-K | Jun 28, 2024 | Dec 31, 2023 | 001-06714 |
| NT 11-K | Open Document | Open Filing | NT 11-K | Jun 28, 2024 | Dec 31, 2023 | 001-06714 |
| SD | Open Document | Open Filing | SD | May 31, 2024 | 001-06714 | |
| SC 13G | Open Document | Open Filing | May 30, 2024 | 005-64497 | ||
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2024 | May 28, 2024 | |
| 13F-HR | Open Document | Open Filing | May 16, 2024 | Mar 31, 2024 | 028-22110 | |
| SC 13G | Open Document | Open Filing | May 13, 2024 | 005-64497 | ||
| SC 13G | Open Document | Open Filing | May 10, 2024 | 005-64497 | ||
| SC 13D | Open Document | Open Filing | May 10, 2024 | 005-64497 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 8, 2024 | May 7, 2024 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 1, 2024 | May 1, 2024 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 1, 2024 | Mar 31, 2024 | 001-06714 |
| 4/A | Open Document | Open Filing | FORM 4/A | Apr 2, 2024 | Apr 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 1, 2024 | |
| ARS | Open Document | Open Filing | ARS | Mar 26, 2024 | Dec 31, 2023 | 001-06714 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Mar 26, 2024 | 001-06714 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Mar 26, 2024 | May 7, 2024 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2024 | Mar 14, 2024 | |
| 144 | Open Document | Open Filing | Mar 14, 2024 | 001-06714 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Mar 11, 2024 | 005-64497 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 23, 2024 | Feb 23, 2024 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 23, 2024 | Dec 31, 2023 | 001-06714 |
| 13F-HR | Open Document | Open Filing | Feb 14, 2024 | Dec 31, 2023 | 028-22110 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 13, 2024 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | Feb 9, 2024 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Jan 23, 2024 | 005-64497 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2024 | Jan 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2024 | Jan 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2024 | Jan 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2024 | Jan 2, 2024 | |
| S-8 | Open Document | Open Filing | REGISTRATION STATEMENT | Dec 14, 2023 | 333-276044 | |
| 13F-HR | Open Document | Open Filing | Nov 14, 2023 | Sep 30, 2023 | 028-22110 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 9, 2023 | Nov 9, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 9, 2023 | Nov 8, 2023 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 1, 2023 | Sep 30, 2023 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 1, 2023 | Nov 1, 2023 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Sep 12, 2023 | Sep 8, 2023 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Sep 11, 2023 | 005-64497 | |
| 13F-HR | Open Document | Open Filing | Aug 14, 2023 | Jun 30, 2023 | 028-22110 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 2, 2023 | Jun 30, 2023 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 2, 2023 | Aug 2, 2023 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2023 | Jul 6, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | |
| SD | Open Document | Open Filing | SD | May 31, 2023 | 001-06714 | |
| 13F-HR | Open Document | Open Filing | May 15, 2023 | Mar 31, 2023 | 028-22110 | |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2023 | May 9, 2023 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 5, 2023 | May 4, 2023 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 3, 2023 | Mar 31, 2023 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 3, 2023 | May 3, 2023 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2023 | Apr 3, 2023 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Mar 23, 2023 | Mar 23, 2023 | 001-06714 |
| ARS | Open Document | Open Filing | ARS | Mar 23, 2023 | Dec 31, 2022 | 001-06714 |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Mar 23, 2023 | 001-06714 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2023 | Mar 7, 2023 | |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 24, 2023 | Dec 31, 2022 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 24, 2023 | Feb 24, 2023 | 001-06714 |
| 13F-HR | Open Document | Open Filing | Feb 14, 2023 | Dec 31, 2022 | 028-22110 | |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 14, 2023 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | Feb 10, 2023 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 9, 2023 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Jan 26, 2023 | 005-64497 | ||
| SC 13G/A | Open Document | Open Filing | Jan 20, 2023 | 005-64497 | ||
| UPLOAD | Open Document | Open Filing | Jan 20, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2023 | Jan 9, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2023 | Jan 3, 2023 | |
| CORRESP | Open Document | Open Filing | Jan 4, 2023 | |||
| UPLOAD | Open Document | Open Filing | Dec 12, 2022 | |||
| 13F-HR | Open Document | Open Filing | Nov 15, 2022 | Sep 30, 2022 | 028-22110 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 2, 2022 | Sep 30, 2022 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 2, 2022 | Nov 2, 2022 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2022 | Oct 3, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2022 | Oct 3, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2022 | Oct 3, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2022 | Oct 3, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 4, 2022 | Oct 3, 2022 | |
| 3 | Open Document | Open Filing | FORM 3 | Oct 3, 2022 | Sep 15, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2022 | Sep 16, 2022 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 15, 2022 | Sep 15, 2022 | 001-06714 |
| 13F-HR | Open Document | Open Filing | Aug 15, 2022 | Jun 30, 2022 | 028-22110 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 3, 2022 | Jun 30, 2022 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 3, 2022 | Aug 3, 2022 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2022 | Jul 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2022 | Jul 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2022 | Jul 1, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2022 | Jul 1, 2022 | |
| S-8 | Open Document | Open Filing | REGISTRATION STATEMENT | Jun 22, 2022 | 333-265764 | |
| SD | Open Document | Open Filing | FORM SD | May 27, 2022 | 001-06714 | |
| 13F-HR | Open Document | Open Filing | May 13, 2022 | Mar 31, 2022 | 028-22110 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 6, 2022 | May 5, 2022 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 4, 2022 | Mar 31, 2022 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 4, 2022 | May 4, 2022 | 001-06714 |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 24, 2022 | May 5, 2022 | 001-06714 |
| 4 | Open Document | Open Filing | Mar 8, 2022 | Mar 7, 2022 | ||
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 25, 2022 | Dec 31, 2021 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 25, 2022 | Feb 25, 2022 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 14, 2022 | 005-64497 | |
| 13F-HR | Open Document | Open Filing | Feb 14, 2022 | Dec 31, 2021 | 028-22110 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2022 | Dec 30, 2021 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 10, 2022 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | Feb 8, 2022 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Jan 27, 2022 | 005-64497 | ||
| SC 13G/A | Open Document | Open Filing | Jan 25, 2022 | 005-64497 | ||
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 24, 2022 | Jan 19, 2022 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 21, 2022 | Jan 19, 2022 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 23, 2021 | Dec 21, 2021 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2021 | Dec 22, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2021 | Dec 1, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 15, 2021 | Nov 11, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2021 | Nov 4, 2021 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Nov 3, 2021 | Sep 30, 2021 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 3, 2021 | Nov 3, 2021 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 4, 2021 | Jun 30, 2021 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 4, 2021 | Aug 4, 2021 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | Jul 12, 2021 | 005-64497 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jun 14, 2021 | Jun 14, 2021 | 001-06714 |
| SD | Open Document | Open Filing | FORM SD | May 27, 2021 | 001-06714 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 10, 2021 | May 6, 2021 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 5, 2021 | Mar 31, 2021 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 5, 2021 | May 5, 2021 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 5, 2021 | Apr 3, 2021 | 001-06714 |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 25, 2021 | May 6, 2021 | 001-06714 |
| 4/A | Open Document | Open Filing | Mar 8, 2021 | Sep 10, 2020 | ||
| 3 | Open Document | Open Filing | FORM 3 | Mar 1, 2021 | Feb 23, 2021 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 25, 2021 | Feb 23, 2021 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 24, 2021 | Dec 31, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Feb 24, 2021 | Feb 24, 2021 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | Feb 12, 2021 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 10, 2021 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Jan 29, 2021 | 005-64497 | ||
| 3 | Open Document | Open Filing | FORM 3 | Jan 19, 2021 | Jan 14, 2021 | |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Jan 11, 2021 | 005-64497 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 4, 2021 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2020 | Dec 22, 2020 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 16, 2020 | Dec 10, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2020 | Dec 10, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2020 | Dec 7, 2020 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 8, 2020 | Dec 8, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2020 | Dec 3, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2020 | Dec 1, 2020 | |
| 4 | Open Document | Open Filing | Nov 25, 2020 | Nov 24, 2020 | ||
| 4 | Open Document | Open Filing | Nov 24, 2020 | Nov 20, 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2020 | Nov 11, 2020 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 10, 2020 | Nov 10, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 4, 2020 | Nov 1, 2020 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 4, 2020 | Sep 30, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 4, 2020 | Nov 4, 2020 | 001-06714 |
| UPLOAD | Open Document | Open Filing | Oct 13, 2020 | |||
| CORRESP | Open Document | Open Filing | Oct 6, 2020 | |||
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 2, 2020 | Oct 1, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | Sep 14, 2020 | Sep 10, 2020 | ||
| UPLOAD | Open Document | Open Filing | Sep 11, 2020 | |||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 10, 2020 | Sep 10, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 27, 2020 | Aug 27, 2020 | |
| 4 | Open Document | Open Filing | FORM 4 | Aug 26, 2020 | Aug 25, 2020 | |
| 4 | Open Document | Open Filing | Aug 5, 2020 | Aug 3, 2020 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 5, 2020 | Jun 30, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 5, 2020 | Aug 5, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2020 | Feb 27, 2020 | |
| SD | Open Document | Open Filing | FORM SD | May 29, 2020 | 001-06714 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 8, 2020 | May 7, 2020 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | May 5, 2020 | Mar 31, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 5, 2020 | May 5, 2020 | 001-06714 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Apr 17, 2020 | 001-06714 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 6, 2020 | Apr 1, 2020 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Mar 31, 2020 | Mar 31, 2020 | 001-06714 |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 26, 2020 | May 7, 2020 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2020 | Mar 23, 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2020 | Mar 18, 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2020 | Mar 3, 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2020 | Feb 27, 2020 | |
| SEC STAFF LETTER | Open Document | Open Filing | Feb 28, 2020 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2020 | Feb 27, 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 27, 2020 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 27, 2020 | |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 26, 2020 | Dec 31, 2019 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 26, 2020 | Feb 26, 2020 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 14, 2020 | 005-64497 | |
| 5 | Open Document | Open Filing | Feb 14, 2020 | Dec 31, 2019 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 12, 2020 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 12, 2020 | 005-64497 | |
| SC 13G | Open Document | Open Filing | 13G GRAHAM HOLDINGS CO. DECEMBER 2019 | Feb 11, 2020 | 005-64497 | |
| SEC STAFF LETTER | Open Document | Open Filing | Feb 6, 2020 | |||
| SC 13G/A | Open Document | Open Filing | Feb 5, 2020 | 005-64497 | ||
| 4 | Open Document | Open Filing | Dec 18, 2019 | Dec 16, 2019 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 22 | Dec 18, 2019 | 005-64497 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 30, 2019 | Sep 30, 2019 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Oct 30, 2019 | Oct 30, 2019 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 31, 2019 | Jun 30, 2019 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 31, 2019 | Jul 31, 2019 | 001-06714 |
| SD | Open Document | Open Filing | FORM SD | May 30, 2019 | 001-06714 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 2, 2019 | May 2, 2019 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 1, 2019 | Mar 31, 2019 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 1, 2019 | May 1, 2019 | 001-06714 |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 21, 2019 | May 2, 2019 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 25, 2019 | Dec 31, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 25, 2019 | Feb 25, 2019 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 14, 2019 | 005-64497 | |
| SC 13G | Open Document | Open Filing | 13G GRAHAM HOLDINGS DECEMBER 2018 | Feb 14, 2019 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 11, 2019 | 005-64497 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | Feb 8, 2019 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 4, 2019 | 005-64497 | ||
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | Jan 4, 2019 | Feb 22, 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | |
| 4 | Open Document | Open Filing | Dec 28, 2018 | Dec 26, 2018 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 31, 2018 | Sep 30, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Oct 31, 2018 | Oct 31, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 11, 2018 | Oct 9, 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 25, 2018 | Sep 21, 2018 | |
| 4/A | Open Document | Open Filing | Aug 7, 2018 | Aug 2, 2018 | ||
| 4 | Open Document | Open Filing | Aug 6, 2018 | Aug 2, 2018 | ||
| 4 | Open Document | Open Filing | Aug 6, 2018 | Aug 2, 2018 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 1, 2018 | Jun 30, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 1, 2018 | Aug 1, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 9, 2018 | Jul 5, 2018 | |
| SD | Open Document | Open Filing | FORM SD | May 31, 2018 | 001-06714 | |
| CT ORDER | Open Document | Open Filing | May 31, 2018 | 001-06714 | ||
| 8-K | Open Document | Open Filing | CURRENT REPORT | May 30, 2018 | May 24, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | May 24, 2018 | May 24, 2018 | 001-06714 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | May 21, 2018 | May 21, 2018 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 21, 2018 | May 21, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2018 | May 11, 2018 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 3, 2018 | May 3, 2018 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 2, 2018 | Mar 31, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 2, 2018 | May 2, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | Apr 9, 2018 | Apr 6, 2018 | ||
| 8-K | Open Document | Open Filing | Mar 28, 2018 | Mar 22, 2018 | 001-06714 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 22, 2018 | May 3, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | Mar 19, 2018 | Mar 15, 2018 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 21 | Mar 19, 2018 | 005-64497 | |
| S-3ASR | Open Document | Open Filing | Mar 12, 2018 | 333-223595 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 7, 2018 | Mar 5, 2018 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 23, 2018 | Feb 23, 2018 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 23, 2018 | Dec 31, 2017 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 13, 2018 | 005-64497 | |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | Feb 9, 2018 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 9, 2018 | 005-64497 | ||
| 4 | Open Document | Open Filing | Jan 26, 2018 | Dec 20, 2017 | ||
| SC 13G/A | Open Document | Open Filing | Jan 25, 2018 | 005-64497 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2018 | Jan 18, 2018 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 19, 2018 | Jan 18, 2018 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2017 | Dec 14, 2017 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 9, 2017 | Nov 9, 2017 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 1, 2017 | Sep 30, 2017 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 1, 2017 | Nov 1, 2017 | 001-06714 |
| 4 | Open Document | Open Filing | Oct 31, 2017 | Oct 27, 2017 | ||
| 4 | Open Document | Open Filing | Oct 31, 2017 | Oct 27, 2017 | ||
| 4 | Open Document | Open Filing | Oct 2, 2017 | Sep 28, 2017 | ||
| 4 | Open Document | Open Filing | Aug 21, 2017 | Jul 24, 2017 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 2, 2017 | Jun 30, 2017 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 2, 2017 | Aug 2, 2017 | 001-06714 |
| 4 | Open Document | Open Filing | Aug 1, 2017 | Jul 28, 2017 | ||
| 4 | Open Document | Open Filing | Jul 26, 2017 | Jul 24, 2017 | ||
| SD | Open Document | Open Filing | FORM SD | May 31, 2017 | 001-06714 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2017 | May 4, 2017 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 5, 2017 | May 4, 2017 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 3, 2017 | Mar 31, 2017 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 3, 2017 | May 3, 2017 | 001-06714 |
| UPLOAD | Open Document | Open Filing | Apr 27, 2017 | |||
| 8-K | Open Document | Open Filing | CURRENT REPORT | Apr 27, 2017 | Apr 27, 2017 | 001-06714 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Apr 27, 2017 | Apr 27, 2017 | 001-06714 |
| CORRESP | Open Document | Open Filing | Apr 19, 2017 | |||
| SC 13G/A | Open Document | Open Filing | Apr 7, 2017 | 005-64497 | ||
| SC 13G | Open Document | Open Filing | Apr 7, 2017 | 005-64497 | ||
| UPLOAD | Open Document | Open Filing | Apr 6, 2017 | |||
| 8-K | Open Document | Open Filing | FORM 8-K | Apr 3, 2017 | Apr 3, 2017 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2017 | Apr 1, 2017 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 23, 2017 | May 4, 2017 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 8, 2017 | Feb 16, 2017 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 24, 2017 | Dec 31, 2016 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 24, 2017 | Feb 24, 2017 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 14, 2017 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2017 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 13, 2017 | 005-64497 | ||
| SC 13G | Open Document | Open Filing | SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC SC 13G 12-31-2016 (GRAHAM HOLDI | Feb 10, 2017 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Jan 24, 2017 | 005-64497 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 13, 2017 | Jan 11, 2017 | 001-06714 |
| 8-K/A | Open Document | Open Filing | FORM 8-K/A | Jan 13, 2017 | Jan 12, 2017 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2017 | Jan 12, 2017 | |
| 4 | Open Document | Open Filing | Jan 5, 2017 | Jan 3, 2017 | ||
| 4 | Open Document | Open Filing | Jan 5, 2017 | Jan 3, 2017 | ||
| 4 | Open Document | Open Filing | Jan 5, 2017 | Jan 3, 2017 | ||
| 4 | Open Document | Open Filing | Jan 5, 2017 | Jan 3, 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2017 | Jan 3, 2017 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 22, 2016 | Dec 22, 2016 | 001-06714 |
| 4 | Open Document | Open Filing | Nov 23, 2016 | Nov 21, 2016 | ||
| 4 | Open Document | Open Filing | Nov 23, 2016 | Nov 21, 2016 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 2, 2016 | Sep 30, 2016 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 2, 2016 | Nov 2, 2016 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 3, 2016 | Jun 30, 2016 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 3, 2016 | Aug 3, 2016 | 001-06714 |
| SD | Open Document | Open Filing | FORM SD | May 31, 2016 | 001-06714 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 16, 2016 | May 12, 2016 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 10, 2016 | May 5, 2016 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 4, 2016 | Mar 31, 2016 | 001-06714 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 4, 2016 | May 4, 2016 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2016 | Mar 23, 2016 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 24, 2016 | May 12, 2016 | 001-06714 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 26, 2016 | Dec 31, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 26, 2016 | Feb 26, 2016 | 001-06714 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2016 | Feb 18, 2016 | |
| 4/A | Open Document | Open Filing | FORM 4/A | Feb 22, 2016 | Jun 30, 2012 | |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 16, 2016 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 12, 2016 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 10, 2016 | 005-64497 | ||
| SC 13G/A | Open Document | Open Filing | SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC. SC 13G A 12-31-2015 (GRAHAM HO | Feb 10, 2016 | 005-64497 | |
| SC 13G | Open Document | Open Filing | Feb 1, 2016 | |||
| SC 13G/A | Open Document | Open Filing | Jan 26, 2016 | 005-64497 | ||
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 21, 2015 | Dec 17, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 15, 2015 | Dec 14, 2015 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2015 | Nov 12, 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K PRESS RELEASE | Nov 13, 2015 | Nov 13, 2015 | 001-06714 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2015 | Nov 12, 2015 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 20 | Nov 13, 2015 | 005-64497 | |
| 8-K | Open Document | Open Filing | FORM 8-K PRESS RELEASES | Nov 12, 2015 | Nov 11, 2015 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 5, 2015 | Sep 30, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 5, 2015 | Nov 4, 2015 | 001-06714 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 2, 2015 | Oct 21, 2015 | 001-32300 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Nov 2, 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 28, 2015 | Oct 26, 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 28, 2015 | Oct 26, 2015 | |
| 8-K | Open Document | Open Filing | 8-K | Sep 4, 2015 | Sep 3, 2015 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2015 | Aug 13, 2015 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 5, 2015 | Jun 30, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 5, 2015 | Aug 5, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | 8-K | Jul 23, 2015 | Jul 23, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 8, 2015 | Jul 1, 2015 | 001-06714 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 19 | Jul 2, 2015 | 005-64497 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2015 | Jun 29, 2015 | 001-36863 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jul 1, 2015 | Jun 29, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jun 17, 2015 | Jun 11, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 17, 2015 | Jun 17, 2015 | 001-06714 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 18 | Jun 12, 2015 | 005-64497 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 11, 2015 | Jun 9, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2015 | Jun 4, 2015 | |
| 3 | Open Document | Open Filing | FORM 3 | Jun 5, 2015 | Jun 5, 2015 | 001-36863 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2015 | Jun 2, 2015 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jun 4, 2015 | Jun 4, 2015 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2015 | May 29, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2015 | May 28, 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 1, 2015 | Jun 1, 2015 | 001-06714 |
| SD | Open Document | Open Filing | SD | May 29, 2015 | 001-06714 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 15, 2015 | May 14, 2015 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 11, 2015 | Mar 31, 2015 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 1, 2015 | May 1, 2015 | 001-06714 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2015 | Apr 3, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2015 | Mar 25, 2015 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 26, 2015 | Mar 26, 2014 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2015 | Mar 3, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2015 | Mar 4, 2015 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 17 | Mar 4, 2015 | 005-64497 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2015 | Feb 26, 2015 | |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 27, 2015 | Dec 31, 2014 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2015 | Feb 23, 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 20, 2015 | Feb 20, 2015 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G AMENDMENT | Feb 13, 2015 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | Feb 13, 2015 | 005-64497 | ||
| SC 13G | Open Document | Open Filing | SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC SC 13G 12-31-2014 (GRAHAM HOLDI | Feb 13, 2015 | 005-64497 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 13, 2015 | Feb 12, 2015 | 001-06714 |
| SC 13G | Open Document | Open Filing | Feb 10, 2015 | 005-64497 | ||
| SC 13G | Open Document | Open Filing | Feb 3, 2015 | 005-64497 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2015 | Jan 28, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 2, 2015 | Dec 30, 2014 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 29, 2014 | Dec 23, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2014 | Dec 19, 2014 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2014 | Dec 17, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2014 | Dec 17, 2014 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 16, 2014 | Dec 12, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2014 | Dec 11, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2014 | Dec 9, 2014 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2014 | Dec 9, 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Nov 14, 2014 | Nov 12, 2014 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G NO. 8 | Nov 10, 2014 | 005-64497 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 5, 2014 | Sep 30, 2014 | 001-06714 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2014 | Nov 3, 2014 | |
| 3 | Open Document | Open Filing | FORM 3 | Nov 4, 2014 | Nov 3, 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Oct 31, 2014 | Oct 31, 2014 | 001-06714 |
| UPLOAD | Open Document | Open Filing | Oct 21, 2014 | |||
| 4 | Open Document | Open Filing | FORM 4 | Oct 15, 2014 | Oct 10, 2014 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Oct 1, 2014 | Oct 1, 2014 | 001-06714 |
| CORRESP | Open Document | Open Filing | Sep 19, 2014 | |||
| CORRESP | Open Document | Open Filing | Sep 5, 2014 | |||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 25, 2014 | Aug 21, 2014 | |
| UPLOAD | Open Document | Open Filing | Aug 21, 2014 | |||
| 8-K | Open Document | Open Filing | CURRENT REPORT | Aug 8, 2014 | Aug 5, 2014 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G | Aug 8, 2014 | 005-64497 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 6, 2014 | Jun 30, 2014 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 1, 2014 | Aug 1, 2014 | 001-06714 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jul 16, 2014 | Jul 16, 2014 | 001-06714 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 10, 2014 | Jul 9, 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 7, 2014 | Jun 30, 2014 | 001-06714 |
| 4 | Open Document | Open Filing | Jul 2, 2014 | Jun 30, 2014 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 16 | Jul 2, 2014 | 005-64497 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 11 TO SCHEDULE 13D | Jul 1, 2014 | 005-64497 | |
| SD | Open Document | Open Filing | SD | Jun 2, 2014 | 001-06714 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 16, 2014 | |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2014 | May 9, 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | May 13, 2014 | May 8, 2014 | 001-06714 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 7, 2014 | Mar 31, 2014 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 2, 2014 | May 2, 2014 | 001-06714 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Apr 14, 2014 | 005-64497 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Apr 14, 2014 | Apr 10, 2014 | 001-06714 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 10, 2014 | Apr 1, 2014 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 3, 2014 | Mar 21, 2014 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Mar 26, 2014 | Mar 26, 2014 | 001-06714 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | Mar 19, 2014 | ||
| 8-K | Open Document | Open Filing | CURRENT REPORT | Mar 13, 2014 | Mar 12, 2014 | 001-06714 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Mar 12, 2014 | 005-64497 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | Mar 12, 2014 | ||
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Feb 28, 2014 | Dec 31, 2013 | 001-06714 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 21, 2014 | Feb 21, 2014 | 001-06714 |
| SC 13G/A | Open Document | Open Filing | Feb 14, 2014 | 005-64497 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/AMENDMENT #8 | Feb 12, 2014 | 005-64497 | |
| SC 13G/A | Open Document | Open Filing | GRAHAM HOLDINGS COMPANY - 13G | Feb 10, 2014 | 005-64497 |