In the last 12 months, insiders at Graham Holdings Co ($GHC) filed 113 transactions with the SEC: 2 open-market purchases totaling $174,914 and 4 sales totaling $901,970. Net insider sentiment: net selling.
Graham Holdings Co operates in the Services-educational services industry (Trade & services sector).
Most Active Insiders
- O'Shaughnessy Timothy J (President and CEO) — 20 transactions totaling $157,536,169
- O'Shaughnessy Laura (Not found) — 20 transactions totaling $157,536,169
- Maas, Jacob (Executive VP) — 12 transactions totaling $5,042,248
- Weymouth Katharine (Director) — 2 transactions totaling $755,243
- MULCAHY ANNE M (Director) — 11 transactions totaling $344,251
View all SEC Filings for Graham Holdings Co (GHC).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| April 1, 2026 | Markell Jack A. | Director | A | Class B Common Stock | 8 | $1061.70 | 41.0000 | 4,378,000 | 24.24% | 0.00% |
| April 1, 2026 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 23 | $1061.70 | 1,533.0000 | 4,378,000 | 1.52% | 0.00% |
| April 1, 2026 | MULCAHY ANNE M | Director | A | Class B Common Stock | 23 | $1061.70 | 737.0000 | 4,378,000 | 3.22% | 0.00% |
| April 1, 2026 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 21 | $1061.70 | 442.0000 | 4,378,000 | 4.99% | 0.00% |
| April 1, 2026 | Davis Christopher C | Director | A | Class B Common Stock | 25 | $1061.70 | 5,591.0000 | 4,378,000 | 0.45% | 0.00% |
| July 30, 2025 | Allen Tony | Director | S | Class B Common Stock | 7 | $942.89 | 8.0000 | 4,405,000 | 46.67% | 0.00% |
| Jan. 16, 2026 | Maas, Jacob | Executive VP | A | Class B Common Stock | 1000 | $0.00 | 7,034.0000 | 4,378,000 | 16.57% | 0.02% |
| Jan. 16, 2026 | Maas, Jacob | Executive VP | F | Class B Common Stock | 377 | $1150.50 | 6,657.0000 | 4,378,000 | 5.36% | 0.01% |
| Jan. 2, 2026 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 22 | $1091.18 | 1,510.0000 | 4,378,000 | 1.48% | 0.00% |
| Jan. 2, 2026 | Markell Jack A. | Director | A | Class B Common Stock | 8 | $1091.18 | 33.0000 | 4,378,000 | 32.00% | 0.00% |
| Jan. 2, 2026 | Davis Christopher C | Director | A | Class B Common Stock | 25 | $1091.18 | 5,566.0000 | 4,378,000 | 0.45% | 0.00% |
| Jan. 2, 2026 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 20 | $1091.18 | 421.0000 | 4,378,000 | 4.99% | 0.00% |
| Jan. 2, 2026 | MULCAHY ANNE M | Director | A | Class B Common Stock | 22 | $1091.18 | 714.0000 | 4,378,000 | 3.18% | 0.00% |
| Dec. 29, 2025 | Weymouth Katharine | Not found | J | Class A Common Stock | 36000 | $0.00 | 36,000.0000 | 4,378,000 | 9999.99% | 0.82% |
| Nov. 11, 2025 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 6839 | $1085.29 | 33,084.0000 | 4,378,000 | 17.13% | 0.16% |
| Nov. 11, 2025 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 7582 | $872.01 | 39,923.0000 | 4,378,000 | 23.44% | 0.17% |
| Nov. 11, 2025 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 6839 | $1085.29 | 33,084.0000 | 4,378,000 | 17.13% | 0.16% |
| Nov. 11, 2025 | O'Shaughnessy Laura | Not found | M | Employee Stock Option (Right to Buy) | 7582 | $0.00 | 0.0000 | 4,378,000 | 100.00% | 0.17% |
| Nov. 11, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Employee Stock Option (Right to Buy) | 7582 | $0.00 | 0.0000 | 4,378,000 | 100.00% | 0.17% |
| Nov. 11, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 7582 | $872.01 | 39,923.0000 | 4,378,000 | 23.44% | 0.17% |
| Oct. 20, 2025 | Maas, Jacob | Executive VP | A | Class B Common Stock | 1000 | $0.00 | 6,535.0000 | 4,378,000 | 18.07% | 0.02% |
| Oct. 20, 2025 | Maas, Jacob | Executive VP | F | Class B Common Stock | 501 | $987.72 | 6,034.0000 | 4,378,000 | 7.67% | 0.01% |
| Oct. 7, 2025 | O'Shaughnessy Timothy J | President and CEO | J | Class A Common Stock | 2800 | $0.00 | 5,500.0000 | 4,378,000 | 103.70% | 0.06% |
| Oct. 7, 2025 | O'Shaughnessy Timothy J | President and CEO | J | Class B Common Stock | 2800 | $0.00 | 32,341.0000 | 4,378,000 | 7.97% | 0.06% |
| Oct. 7, 2025 | O'Shaughnessy Laura | Not found | J | Class A Common Stock | 2800 | $0.00 | 5,500.0000 | 4,378,000 | 103.70% | 0.06% |
| Oct. 7, 2025 | O'Shaughnessy Laura | Not found | J | Class B Common Stock | 2800 | $0.00 | 32,341.0000 | 4,378,000 | 7.97% | 0.06% |
| Oct. 1, 2025 | Markell Jack A. | Director | A | Class B Common Stock | 7 | $1165.25 | 25.0000 | 4,378,000 | 38.89% | 0.00% |
| Oct. 1, 2025 | MULCAHY ANNE M | Director | A | Class B Common Stock | 21 | $1165.25 | 692.0000 | 4,378,000 | 3.13% | 0.00% |
| Oct. 1, 2025 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 21 | $1165.25 | 1,488.0000 | 4,378,000 | 1.43% | 0.00% |
| Oct. 1, 2025 | Davis Christopher C | Director | A | Class B Common Stock | 23 | $1165.25 | 5,541.0000 | 4,378,000 | 0.42% | 0.00% |
| Oct. 1, 2025 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 19 | $1165.25 | 401.0000 | 4,378,000 | 4.97% | 0.00% |
| Sept. 29, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Employee Stock Option (Right to Buy) | 7580 | $0.00 | 7,582.0000 | 4,405,000 | 49.99% | 0.17% |
| Sept. 29, 2025 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 6568 | $1190.80 | 35,138.0000 | 4,405,000 | 15.75% | 0.15% |
| Sept. 29, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 7580 | $872.01 | 41,706.0000 | 4,405,000 | 22.21% | 0.17% |
| Sept. 29, 2025 | O'Shaughnessy Laura | Not found | M | Employee Stock Option (Right to Buy) | 7580 | $0.00 | 7,582.0000 | 4,405,000 | 49.99% | 0.17% |
| Sept. 29, 2025 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 7580 | $872.01 | 41,706.0000 | 4,405,000 | 22.21% | 0.17% |
| Sept. 29, 2025 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 6568 | $1190.80 | 35,138.0000 | 4,405,000 | 15.75% | 0.15% |
| Aug. 20, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 7580 | $872.01 | 41,004.0000 | 4,405,000 | 22.68% | 0.17% |
| Aug. 20, 2025 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 6878 | $1070.83 | 34,126.0000 | 4,405,000 | 16.77% | 0.16% |
| Aug. 20, 2025 | O'Shaughnessy Timothy J | President and CEO | M | Employee Stock Option (Right to Buy) | 7580 | $0.00 | 15,162.0000 | 4,405,000 | 33.33% | 0.17% |
| Aug. 20, 2025 | O'Shaughnessy Laura | Not found | M | Employee Stock Option (Right to Buy) | 7580 | $0.00 | 15,162.0000 | 4,405,000 | 33.33% | 0.17% |
| Aug. 20, 2025 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 6878 | $1070.83 | 34,126.0000 | 4,405,000 | 16.77% | 0.16% |
| Aug. 20, 2025 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 7580 | $872.01 | 41,004.0000 | 4,405,000 | 22.68% | 0.17% |
| Aug. 19, 2025 | Maas, Jacob | Executive VP | M | Class B Common Stock | 2000 | $804.80 | 7,287.0000 | 4,405,000 | 37.83% | 0.05% |
| Aug. 19, 2025 | Maas, Jacob | Executive VP | F | Class B Common Stock | 1752 | $1071.80 | 5,535.0000 | 4,405,000 | 24.04% | 0.04% |
| Aug. 19, 2025 | Maas, Jacob | Executive VP | M | Employee Stock Option (right to buy) | 2000 | $0.00 | 0.0000 | 4,405,000 | 100.00% | 0.05% |
| July 1, 2025 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 26 | $954.49 | 1,467.0000 | 4,405,000 | 1.80% | 0.00% |
| July 1, 2025 | MULCAHY ANNE M | Director | A | Class B Common Stock | 26 | $954.49 | 671.0000 | 4,405,000 | 4.03% | 0.00% |
| July 1, 2025 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 23 | $954.49 | 382.0000 | 4,405,000 | 6.41% | 0.00% |
| July 1, 2025 | Markell Jack A. | Director | A | Class B Common Stock | 9 | $954.49 | 18.0000 | 4,405,000 | 100.00% | 0.00% |
| July 1, 2025 | Davis Christopher C | Director | A | Class B Common Stock | 28 | $954.49 | 5,518.0000 | 4,405,000 | 0.51% | 0.00% |
| April 1, 2025 | Davis Christopher C | Director | A | Class B Common Stock | 28 | $970.97 | 5,490.0000 | 4,405,000 | 0.51% | 0.00% |
| April 1, 2025 | Markell Jack A. | Director | A | Class B Common Stock | 9 | $970.97 | 9.0000 | 4,405,000 | 9999.99% | 0.00% |
| April 1, 2025 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 25 | $970.97 | 1,441.0000 | 4,405,000 | 1.77% | 0.00% |
| April 1, 2025 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 23 | $970.97 | 359.0000 | 4,405,000 | 6.85% | 0.00% |
| April 1, 2025 | MULCAHY ANNE M | Director | A | Class B Common Stock | 25 | $970.97 | 645.0000 | 4,405,000 | 4.03% | 0.00% |
| Jan. 27, 2025 | Maas, Jacob | Executive VP | F | Class B Common Stock | 438 | $918.26 | 5,287.0000 | 4,405,000 | 7.65% | 0.01% |
| Jan. 27, 2025 | Maas, Jacob | Executive VP | A | Class B Common Stock | 1000 | $0.00 | 5,725.0000 | 4,405,000 | 21.16% | 0.02% |
| Jan. 2, 2025 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 25 | $871.87 | 336.0000 | 4,405,000 | 8.04% | 0.00% |
| Jan. 2, 2025 | Cooney Wallace R. | Chief Financial Officer | A | Class B Common Stock | 430 | $0.00 | 3,746.0000 | 4,405,000 | 12.97% | 0.01% |
| Jan. 2, 2025 | Cooney Wallace R. | Chief Financial Officer | F | Class B Common Stock | 222 | $871.87 | 3,524.0000 | 4,405,000 | 5.93% | 0.01% |
| Jan. 2, 2025 | Maas, Jacob | Executive VP | A | Class B Common Stock | 430 | $0.00 | 4,982.0000 | 4,405,000 | 9.45% | 0.01% |
| Jan. 2, 2025 | Maas, Jacob | Executive VP | F | Class B Common Stock | 257 | $871.87 | 4,725.0000 | 4,405,000 | 5.16% | 0.01% |
| Jan. 2, 2025 | Maddrey Nicole Marie | Sr. VP-GC & Secretary | A | Class B Common Stock | 401 | $0.00 | 4,223.0000 | 4,405,000 | 10.49% | 0.01% |
| Jan. 2, 2025 | Rosen Andrew Stephen | Executive Vice President | A | Class B Common Stock | 344 | $0.00 | 40,773.0000 | 4,405,000 | 0.85% | 0.01% |
| Jan. 2, 2025 | Stonesifer Sandra M. | VP, Chief HR Officer | A | Class B Common Stock | 401 | $0.00 | 1,543.0000 | 4,405,000 | 35.11% | 0.01% |
| Jan. 2, 2025 | Stonesifer Sandra M. | VP, Chief HR Officer | F | Class B Common Stock | 221 | $871.87 | 1,322.0000 | 4,405,000 | 14.32% | 0.01% |
| Jan. 2, 2025 | Snyman Marcel A. | VP-Chief Accounting Officer | A | Class B Common Stock | 229 | $0.00 | 685.0000 | 4,405,000 | 50.22% | 0.01% |
| Jan. 2, 2025 | Snyman Marcel A. | VP-Chief Accounting Officer | F | Class B Common Stock | 84 | $871.87 | 601.0000 | 4,405,000 | 12.26% | 0.00% |
| Jan. 6, 2025 | Snyman Marcel A. | VP-Chief Accounting Officer | S | Class B Common Stock | 159 | $881.30 | 442.0000 | 4,405,000 | 26.46% | 0.00% |
| Jan. 2, 2025 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 28 | $871.87 | 1,416.0000 | 4,405,000 | 2.02% | 0.00% |
| Jan. 2, 2025 | MULCAHY ANNE M | Director | A | Class B Common Stock | 28 | $871.87 | 620.0000 | 4,405,000 | 4.73% | 0.00% |
| Jan. 2, 2025 | Davis Christopher C | Director | A | Class B Common Stock | 31 | $871.87 | 5,462.0000 | 4,405,000 | 0.57% | 0.00% |
| Nov. 13, 2024 | Weymouth Katharine | Director | S | Class B Common Stock | 378 | $949.26 | 1,615.0000 | 4,423,000 | 18.97% | 0.01% |
| Nov. 5, 2024 | Maas, Jacob | Executive VP | A | Class B Common Stock | 1000 | $0.00 | 4,552.0000 | 4,423,000 | 28.15% | 0.02% |
| Nov. 1, 2024 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 23858 | $843.67 | 33,419.0000 | 4,423,000 | 41.65% | 0.54% |
| Nov. 1, 2024 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 25754 | $719.15 | 57,277.0000 | 4,423,000 | 81.70% | 0.58% |
| Nov. 1, 2024 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 23858 | $843.67 | 33,419.0000 | 4,423,000 | 41.65% | 0.54% |
| Nov. 1, 2024 | O'Shaughnessy Laura | Not found | M | Stock Option (Right to Buy) | 25754 | $0.00 | 0.0000 | 4,423,000 | 100.00% | 0.58% |
| Nov. 1, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 25754 | $719.15 | 57,277.0000 | 4,423,000 | 81.70% | 0.58% |
| Nov. 1, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Stock Option (Right to Buy) | 25754 | $0.00 | 0.0000 | 4,423,000 | 100.00% | 0.58% |
| Oct. 15, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 25752 | $719.15 | 55,649.0000 | 4,423,000 | 86.14% | 0.58% |
| Oct. 15, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Stock Option (Right to Buy) | 25752 | $0.00 | 25,754.0000 | 4,423,000 | 50.00% | 0.58% |
| Oct. 15, 2024 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 24126 | $823.33 | 31,523.0000 | 4,423,000 | 43.35% | 0.55% |
| Oct. 15, 2024 | O'Shaughnessy Laura | Not found | M | Stock Option (Right to Buy) | 25752 | $0.00 | 25,754.0000 | 4,423,000 | 50.00% | 0.58% |
| Oct. 15, 2024 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 24126 | $823.33 | 31,523.0000 | 4,423,000 | 43.35% | 0.55% |
| Oct. 15, 2024 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 25752 | $719.15 | 55,649.0000 | 4,423,000 | 86.14% | 0.58% |
| Oct. 1, 2024 | Davis Christopher C | Director | A | Class B Common Stock | 34 | $806.69 | 5,431.0000 | 4,423,000 | 0.63% | 0.00% |
| Oct. 1, 2024 | MULCAHY ANNE M | Director | A | Class B Common Stock | 30 | $806.69 | 592.0000 | 4,423,000 | 5.34% | 0.00% |
| Oct. 1, 2024 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 30 | $806.69 | 1,388.0000 | 4,423,000 | 2.21% | 0.00% |
| Oct. 1, 2024 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 27 | $806.69 | 311.0000 | 4,423,000 | 9.51% | 0.00% |
| Sept. 23, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Class B Common Stock | 25752 | $719.15 | 54,309.0000 | 4,654,000 | 90.18% | 0.55% |
| Sept. 23, 2024 | O'Shaughnessy Timothy J | President and CEO | F | Class B Common Stock | 24412 | $800.60 | 29,897.0000 | 4,654,000 | 44.95% | 0.52% |
| Sept. 23, 2024 | O'Shaughnessy Timothy J | President and CEO | M | Stock Option (Right to Buy) | 25752 | $0.00 | 51,506.0000 | 4,654,000 | 33.33% | 0.55% |
| Sept. 23, 2024 | O'Shaughnessy Laura | Not found | M | Class B Common Stock | 25752 | $719.15 | 54,309.0000 | 4,654,000 | 90.18% | 0.55% |
| Sept. 23, 2024 | O'Shaughnessy Laura | Not found | F | Class B Common Stock | 24412 | $800.60 | 29,897.0000 | 4,654,000 | 44.95% | 0.52% |
| Sept. 23, 2024 | O'Shaughnessy Laura | Not found | M | Stock Option (Right to Buy) | 25752 | $0.00 | 51,506.0000 | 4,654,000 | 33.33% | 0.55% |
| Sept. 12, 2024 | GAYNER THOMAS SINNICKSON | Director | P | Class B Common Stock | 100 | $743.30 | 5,900.0000 | 4,654,000 | 1.72% | 0.00% |
| July 1, 2024 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 32 | $695.03 | 284.0000 | 4,654,000 | 12.70% | 0.00% |
| July 1, 2024 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 35 | $695.03 | 1,358.0000 | 4,654,000 | 2.65% | 0.00% |
| July 1, 2024 | MULCAHY ANNE M | Director | A | Class B Common Stock | 35 | $695.03 | 562.0000 | 4,654,000 | 6.64% | 0.00% |
| July 1, 2024 | Davis Christopher C | Director | A | Class B Common Stock | 39 | $695.03 | 5,397.0000 | 4,654,000 | 0.73% | 0.00% |
| May 28, 2024 | MULCAHY ANNE M | Director | P | Class B Common Stock | 135 | $745.07 | 662.0000 | 4,654,000 | 25.62% | 0.00% |
| April 1, 2024 | Davis Christopher C | Director | A | Class B Common Stock | 36 | $761.13 | 5,358.0000 | 4,654,000 | 0.68% | 0.00% |
| April 1, 2024 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 29 | $761.13 | 252.0000 | 4,654,000 | 13.00% | 0.00% |
| April 1, 2024 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 29 | $427.23 | 252.0000 | 4,654,000 | 13.00% | 0.00% |
| April 1, 2024 | MULCAHY ANNE M | Director | A | Class B Common Stock | 32 | $761.13 | 527.0000 | 4,654,000 | 6.46% | 0.00% |
| April 1, 2024 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 32 | $761.13 | 1,323.0000 | 4,654,000 | 2.48% | 0.00% |
| March 14, 2024 | Weymouth Katharine | Director | S | Class B Common Stock | 556 | $712.99 | 1,993.0000 | 4,654,000 | 21.81% | 0.01% |
| Jan. 2, 2024 | Davis Christopher C | Director | A | Class B Common Stock | 39 | $696.72 | 5,322.0000 | 4,654,000 | 0.74% | 0.00% |
| Jan. 2, 2024 | MULCAHY ANNE M | Director | A | Class B Common Stock | 35 | $696.72 | 495.0000 | 4,654,000 | 7.61% | 0.00% |
| Jan. 2, 2024 | WAGONER G RICHARD JR | Director | A | Class B Common Stock | 35 | $696.72 | 1,291.0000 | 4,654,000 | 2.79% | 0.00% |
| Jan. 2, 2024 | CONLEY DANIELLE Y. | Director | A | Class B Common Stock | 32 | $696.72 | 223.0000 | 4,654,000 | 16.75% | 0.00% |