Graham Holdings Co
GHC- Exchange
- NYSE
- Industry
- Services-Educational Services
- SEC CIK
- 0000104889
No open-market purchases or sales by Graham Holdings Co insiders were filed in the last 90 days; 338 institutions reported holding it in 13F filings for Q2 2026, worth $3.11B in total; superinvestors Southeastern Asset Management (Longleaf) and Markel Group hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Graham Holdings Co insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Graham Holdings Co, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Maas, Jacob | Executive VP | 7,156 | Aug 31, 2026 | 3 |
| O'Shaughnessy Timothy J | President and CEO | 22,878 | Aug 14, 2026 | 5 |
| O'Shaughnessy Laura | 10% Owner | 22,865 | Aug 14, 2026 | 5 |
| Graham Donald | Director, 10% Owner | – | Aug 14, 2026 | 1 |
| Wagoner G Richard Jr | Director | 1,554Indirect | Jul 6, 2026 | 4 |
| Mulcahy Anne M | Director | 758Indirect | Jul 6, 2026 | 4 |
| Markell Jack A. | Director | 48Indirect | Jul 6, 2026 | 4 |
| Davis Christopher C | Director | 5,614 | Jul 6, 2026 | 4 |
| Conley Danielle Y. | Director | 461Indirect | Jul 6, 2026 | 4 |
| Weymouth Katharine | Director | 7,615 | May 28, 2026 | 2 |
| Allen Tony | Director | 8 | Mar 10, 2026 | 1 |
| Cooney Wallace R. | Chief Financial Officer | 3,524 | Jan 6, 2025 | 0 |
| Rosen Andrew Stephen | Executive Vice President | 37,773 | Jan 6, 2025 | 0 |
| Maddrey Nicole Marie | Sr. VP-GC & Secretary | 4,223 | Jan 6, 2025 | 0 |
| Snyman Marcel A. | VP-Chief Accounting Officer | 442 | Jan 6, 2025 | 0 |
| Stonesifer Sandra M. | VP, Chief HR Officer | 1,322 | Jan 6, 2025 | 0 |
| Gayner Thomas Sinnickson | Director | 700 | Sep 13, 2024 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 (view filing) | Jul 30, 2025 | 223 daysLate | Allen TonyDirector | SSaleClass B Common Stock | −7 | $942.89 | −$6.60K | −46.7%8 after | |
| Jan 6, 2025 (view filing) | Jan 6 | Same day | Snyman Marcel A.VP-Chief Accounting Officer | SSaleClass B Common Stock | −159 | $881.30 | −$140.1K | −26.5%442 after | 10b5-1 |
| Nov 14, 2024 (view filing) | Nov 13 | 1 day | Weymouth KatharineDirector | SSaleClass B Common Stock | −378 | $949.26 | −$358.8K | −19.0%1.61K after | |
| Sep 13, 2024 (view filing) | Sep 12 | 1 day | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $743.30 | +$74.3K | +16.7%700 after | |
| May 29, 2024 (view filing) | May 28 | 1 day | Mulcahy Anne MDirector | PPurchaseClass B Common Stock | +135 | $745.07 | +$100.6K | +25.6%662 after | |
| Mar 15, 2024 (view filing) | Mar 14 | 1 day | Weymouth KatharineDirector | SSaleClass B Common Stock | −556 | $712.99 | −$396.4K | −21.8%1.99K after | |
| Nov 9, 2023 (view filing) | Nov 9 | Same day | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $607.24 | +$60.7K | +20.0%600 after | |
| Nov 9, 2023 (view filing) | Nov 8 | 1 day | Allen TonyDirector | SSaleClass B Common Stock | −75 | $619.03 | −$46.4K | −83.3%15 after | |
| Sep 12, 2023 (view filing) | Sep 8 | 4 days | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $569.83 | +$57.0K | +25.0%500 after | |
| May 9, 2023 (view filing) | May 9 | Same day | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $581.63 | +$58.2K | +1.8%5.60K after | |
| Jan 9, 2023 (view filing) | Jan 9 | Same day | Snyman Marcel A.VP-Chief Accounting Officer | SSaleClass B Common Stock | −128 | $617.68 | −$79.1K | −21.9%456 after | |
| Jan 4, 2023 (view filing) | Jan 4 | Same day | Snyman Marcel A.VP-Chief Accounting Officer | SSaleClass B Common Stock | −72 | $611.06 | −$44.0K | −11.0%584 after | |
| Sep 16, 2022 (view filing) | Sep 16 | Same day | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $556.15 | +$55.6K | +1.9%5.50K after | |
| Feb 11, 2022 (view filing) | Dec 30, 2021 | 43 daysLate | Stonesifer Sandra M.VP, Chief HR Officer | PPurchaseClass B Common Stock | +20 | $591.99 | +$11.8K | +3.4%617 after | |
| Dec 2, 2021 (view filing) | Dec 1 | 1 day | Markell Jack A.Director | PPurchaseClass B Common Stock | +60 | $570.00 | +$34.2K | New position60 after | |
| Nov 15, 2021 (view filing) | Nov 11 | 4 days | Gayner Thomas SinnicksonDirector | PPurchaseClass B Common Stock | +100 | $595.17 | +$59.5K | +1.9%5.40K after | |
| Nov 5, 2021 (view filing) | Nov 4 | 1 day | Snyman Marcel A.VP-Chief Accounting Officer | SSaleClass B Common Stock | −128 | $605.07 | −$77.4K | −22.4%443 after |