SEC Form 4 · Updated Daily
GHC
— GRAHAM HOLDINGS COMPANY OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| O'Shaughnessy Timothy J | Director · Officer | 22,878 | 2026-08-13 | J |
| O'Shaughnessy Laura | 10%+ Owner | 22,865 | 2026-08-13 | J |
| Weymouth Katharine | Director | 7,615 | 2026-05-26 | J |
| Maas, Jacob | Officer | 7,156 | 2026-08-28 | F |
| Davis Christopher C | Director | 5,614 | 2026-07-01 | A |
| WAGONER G RICHARD JR | Director | 1,554 | 2026-07-01 | A |
| MULCAHY ANNE M | Director | 758 | 2026-07-01 | A |
| CONLEY DANIELLE Y. | Director | 461 | 2026-07-01 | A |
| Markell Jack A. | Director | 48 | 2026-07-01 | A |
| Allen Tony | Director | 8 | 2025-07-30 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-28 | Maas, Jacob | Tax withholding | 501 | $1159.23 | 7,156 |
| 2026-08-28 | Maas, Jacob | Grant / award | 1,000 | $0.00 | 7,657 |
| 2026-08-13 | GRAHAM DONALD | J (derivative) | 12,633 | — | 375,592 |
| 2026-08-13 | O'Shaughnessy Laura | J (derivative) | 4,211 | — | 19,922 |
| 2026-08-13 | O'Shaughnessy Laura | J (derivative) | 4,211 | — | 15,711 |
| 2026-08-13 | O'Shaughnessy Laura | J | 4,211 | — | 22,865 |
| 2026-08-13 | O'Shaughnessy Timothy J | J (derivative) | 4,211 | — | 19,922 |
| 2026-08-13 | O'Shaughnessy Timothy J | J (derivative) | 4,211 | — | 15,711 |
| 2026-08-13 | O'Shaughnessy Timothy J | J | 4,211 | — | 22,878 |
| 2026-07-01 | CONLEY DANIELLE Y. | Grant / award | 19 | $1161.11 | 461 |
| 2026-07-01 | Davis Christopher C | Grant / award | 23 | $1161.11 | 5,614 |
| 2026-07-01 | Markell Jack A. | Grant / award | 7 | $1161.11 | 48 |
| 2026-07-01 | MULCAHY ANNE M | Grant / award | 21 | $1161.11 | 758 |
| 2026-07-01 | WAGONER G RICHARD JR | Grant / award | 21 | $1161.11 | 1,554 |
| 2026-05-26 | O'Shaughnessy Timothy J | J (derivative) | 6,000 | — | 11,500 |
| 2026-05-26 | O'Shaughnessy Timothy J | J | 400 | — | 27,087 |
| 2026-05-26 | O'Shaughnessy Timothy J | J | 5,600 | — | 0 |
| 2026-05-26 | Weymouth Katharine | J (derivative) | 6,000 | — | 30,000 |
| 2026-05-26 | Weymouth Katharine | J | 6,000 | — | 7,615 |
| 2026-05-26 | O'Shaughnessy Laura | J (derivative) | 6,000 | — | 11,500 |
| 2026-05-26 | O'Shaughnessy Laura | J | 400 | — | 27,076 |
| 2026-05-26 | O'Shaughnessy Laura | J | 5,600 | — | 0 |
| 2026-04-01 | CONLEY DANIELLE Y. | Grant / award | 21 | $1061.70 | 442 |
| 2026-04-01 | Davis Christopher C | Grant / award | 25 | $1061.70 | 5,591 |
| 2026-04-01 | Markell Jack A. | Grant / award | 8 | $1061.70 | 41 |
| 2026-04-01 | MULCAHY ANNE M | Grant / award | 23 | $1061.70 | 737 |
| 2026-04-01 | WAGONER G RICHARD JR | Grant / award | 23 | $1061.70 | 1,533 |
| 2026-01-16 | Maas, Jacob | Tax withholding | 377 | $1150.50 | 6,657 |
| 2026-01-16 | Maas, Jacob | Grant / award | 1,000 | $0.00 | 7,034 |
| 2026-01-02 | CONLEY DANIELLE Y. | Grant / award | 20 | $1091.18 | 421 |
| 2026-01-02 | Davis Christopher C | Grant / award | 25 | $1091.18 | 5,566 |
| 2026-01-02 | Markell Jack A. | Grant / award | 8 | $1091.18 | 33 |
| 2026-01-02 | MULCAHY ANNE M | Grant / award | 22 | $1091.18 | 714 |
| 2026-01-02 | WAGONER G RICHARD JR | Grant / award | 22 | $1091.18 | 1,510 |
| 2025-12-29 | Weymouth Katharine | J (derivative) | 36,000 | — | 36,000 |
| 2025-11-11 | O'Shaughnessy Timothy J | Option exercise (derivative) | 7,582 | $0.00 | 0 |
| 2025-11-11 | O'Shaughnessy Timothy J | Tax withholding | 6,839 | $1085.29 | 27,484 |
| 2025-11-11 | O'Shaughnessy Timothy J | Option exercise | 7,582 | $872.01 | 34,323 |
| 2025-11-11 | O'Shaughnessy Laura | Option exercise (derivative) | 7,582 | $0.00 | 0 |
| 2025-11-11 | O'Shaughnessy Laura | Tax withholding | 6,839 | $1085.29 | 27,476 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.