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| Keyboard |
| Washington Post Co | |
|---|---|
| Ticker | GHC |
| CIK # | 0000104889 |
| CUSIP | 384637104 |
| Sector | Trade & Services - Services-Educational Services |
| Address | 1150 15th St NW, Washington, DC 20071 |
| Source | [EDGAR] |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0000104889] | 10-K | |
| [0000104889] | 10-Q | |
| [0000104889] | 13F-HR | |
| [0000104889] | 3 | |
| [0000104889] | 4 | |
| [0000104889] | 5 | |
| [0000104889] | 8-K | |
| [0000104889] | SC 13D | |
| [0000104889] | SC 13G |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Maas Jacob
Class B Common Stock
|
2026-01-16 | Tax withheld | 377 | $1,150.50 | 433,738 |
|
Maas Jacob
Class B Common Stock
|
2026-01-16 | Grant | 1,000 | $0.00 | |
|
Mulcahy Anne M
Class B Common Stock
|
2026-01-02 | Grant | 22 | $1,091.18 | 24,006 |
|
Wagoner G Richard Jr
Class B Common Stock
|
2026-01-02 | Grant | 22 | $1,091.18 | 24,006 |
|
Conley Danielle Y
Class B Common Stock
|
2026-01-02 | Grant | 20 | $1,091.18 | 21,824 |
|
Davis Christopher C
Class B Common Stock
|
2026-01-02 | Grant | 25 | $1,091.18 | 27,280 |
|
Markell Jack A
Class B Common Stock
|
2026-01-02 | Grant | 8 | $1,091.18 | 8,729 |
|
Weymouth Katharine
Class A Common Stock · derivative
|
2025-12-29 | Other | 36,000 | ||
|
O'shaughnessy Laura
Employee Stock Option (Right to Buy) · derivative
|
2025-11-11 | Option exercise | 7,582 | $0.00 | |
|
O'shaughnessy Timothy J
Class B Common Stock
|
2025-11-11 | Tax withheld | 6,839 | $1,085.29 | 7,422,298 |
|
O'shaughnessy Timothy J
Class B Common Stock
|
2025-11-11 | Option exercise | 7,582 | $872.01 | 6,611,580 |
|
O'shaughnessy Laura
Class B Common Stock
|
2025-11-11 | Option exercise | 7,582 | $872.01 | 6,611,580 |
|
O'shaughnessy Timothy J
Employee Stock Option (Right to Buy) · derivative
|
2025-11-11 | Option exercise | 7,582 | $0.00 | |
|
O'shaughnessy Laura
Class B Common Stock
|
2025-11-11 | Tax withheld | 6,839 | $1,085.29 | 7,422,298 |
|
Maas Jacob
Class B Common Stock
|
2025-10-20 | Tax withheld | 501 | $987.72 | 494,848 |
|
Maas Jacob
Class B Common Stock
|
2025-10-20 | Grant | 1,000 | $0.00 | |
|
O'shaughnessy Timothy J
Class A Common Stock · derivative
|
2025-10-07 | Other | 2,800 | ||
|
O'shaughnessy Laura
Class A Common Stock · derivative
|
2025-10-07 | Other | 2,800 | ||
|
O'shaughnessy Timothy J
Class B Common Stock
|
2025-10-07 | Other | 2,800 | ||
|
O'shaughnessy Laura
Class B Common Stock
|
2025-10-07 | Other | 2,800 | ||
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 328 | 2,674,404 |
| 2025-12-31 | 348 | 2,679,637 |
| 2025-09-30 | 325 | 2,714,365 |
| 2025-06-30 | 309 | 2,687,884 |
| 2025-03-31 | 294 | 2,597,632 |
| 2024-12-31 | 286 | 2,561,464 |
| 2024-09-30 | 262 | 2,618,897 |
| 2024-06-30 | 250 | 2,678,338 |
| 2024-03-31 | 247 | 2,773,481 |
| 2023-12-31 | 246 | 2,774,730 |
| 2023-09-30 | 247 | 2,738,160 |
| 2023-06-30 | 251 | 2,827,622 |