19 insiders reported 162 Form 4 transactions for MARKEL GROUP INC. (MKL) over the past 18 months (most recent 2026-06-17). Recent activity: MICHAEL JONATHAN E (Director) Buy 66 shares, OREILLY MICHAEL (Director) Buy 90 shares, Morrison Harold Lawrence Jr. (Director) Buy 33 shares, Puckett A. Lynne (Director) Buy 66 shares, Leopold Diane (Director) Buy 66 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | MICHAEL JONATHAN E | Director | Buy | 66 | $110,000 |
| 2026-06-17 | OREILLY MICHAEL | Director | Buy | 90 | $150,000 |
| 2026-06-17 | Morrison Harold Lawrence Jr. | Director | Buy | 33 | $55,000 |
| 2026-06-17 | Puckett A. Lynne | Director | Buy | 66 | $110,000 |
| 2026-06-17 | Leopold Diane | Director | Buy | 66 | $110,000 |
| 2026-06-17 | Cunningham Lawrence A | Director | Buy | 33 | $55,000 |
| 2026-06-17 | Besca Mark | Director | Buy | 81 | $135,000 |
| 2026-06-17 | Housel Morgan E. | Director | Buy | 66 | $110,000 |
| 2026-05-22 | Leopold Diane | Director | Buy | 89 | $0 |
| 2026-05-22 | OREILLY MICHAEL | Director | Buy | 89 | $0 |
| 2026-05-22 | Morrison Harold Lawrence Jr. | Director | Buy | 89 | $0 |
| 2026-05-22 | Puckett A. Lynne | Director | Buy | 89 | $0 |
| 2026-05-22 | MICHAEL JONATHAN E | Director | Buy | 89 | $0 |
| 2026-05-22 | Cunningham Lawrence A | Director | Buy | 89 | $0 |
| 2026-05-22 | Besca Mark | Director | Buy | 89 | $0 |
| 2026-05-22 | Harris Greta J | Director | Buy | 89 | $0 |
| 2026-05-22 | Housel Morgan E. | Director | Buy | 89 | $0 |
| 2026-05-19 | Costanzo Brian J. | Chief Financial Officer | Sell | 13 | $24,120 |
| 2026-05-19 | GAYNER THOMAS SINNICKSON | Chief Executive Officer | Sell | 482 | $888,196 |
| 2026-05-19 | Grinnan Richard Randolph | SVP, Chief Legal Officer & Sec | Sell | 116 | $214,564 |
| 2026-05-19 | Crowley Andrew G. | EVP & Pres., Markel Ventures | Sell | 75 | $138,053 |
| 2026-05-19 | Costanzo Brian J. | Chief Financial Officer | Buy | 30 | $50,000 |
| 2026-05-19 | Crowley Andrew G. | EVP & Pres., Markel Ventures | Buy | 60 | $100,000 |
| 2026-05-08 | Leopold Diane | Director | Buy | 100 | $179,261 |
| 2026-05-08 | Leopold Diane | Director | Buy | 50 | $89,460 |
Source: SEC Form 4 filings · as of 2026-06-17