According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Markel are Director Steven A Markel (60.37K shares), Chief Executive Officer Thomas Sinnickson Gayner (52.26K shares), Director Anthony F Markel (19.27K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Steven A Markel | 60,368 | 15 Dec, 2025 | |
| Thomas Sinnickson Gayner | Chief Executive Officer | 52,258 | 03 Dec, 2025 |
| Anthony F Markel | 19,270 | 25 Feb, 2025 | |
| Richard R Iii Whitt | Co Chief Executive Officer | 11,360 | 07 Dec, 2022 |
| Bradley James Kiscaden | Pres/Chief Admin Off Ins Ops | 8,090 | 17 Feb, 2022 |
| Lemuel E Lewis | 5,741 | 17 May, 2021 | |
| Jeremy Andrew Noble | President And Insurance | 4,888 | 20 Feb, 2025 |
| Michael R Heaton | Evp & Chief Operating Officer | 4,709 | 03 Dec, 2025 |
| Michael Oreilly | 3,756 | 17 Jun, 2025 | |
| Richard Randolph Grinnan | Svp And Chief Legal Officer & Sec | 3,463 | 03 Dec, 2025 |
| K Bruce Connell | 2,762 | 18 May, 2023 | |
| Robert C Cox | Pres. & Coo And Insur. Operations | 2,346 | 07 Dec, 2022 |
| Diane Leopold | 2,090 | 17 Jun, 2025 | |
| Andrew G. Crowley | President And Markel Ventures | 1,914 | 03 Dec, 2025 |
| Simon Wilson | Ceo And Markel Insurance | 1,676 | 03 Dec, 2025 |
| Linda V Schreiner | Svp And Strategic Management | 1,528 | 09 Dec, 2021 |
| A. Lynne Puckett | 1,312 | 17 Jun, 2025 | |
| Mark Besca | 1,052 | 23 May, 2025 | |
| Harold Lawrence Jr. Morrison | 1,005 | 17 Jun, 2025 | |
| Brian J. Costanzo | Chief Financial Officer | 957 | 20 Jan, 2026 |
| Lawrence A Cunningham | 920 | 17 Jun, 2025 | |
| Morgan E. Housel | 874 | 17 Jun, 2025 | |
| Susan L. Davies | Chro And Markel Insurance | 848 | 16 Dec, 2022 |
| Greta J Harris | 632 | 27 May, 2025 | |
| Meade P. Grandis | Cao And Controller | 499 | 20 Feb, 2025 |
| Jonathan E Michael | 178 | 17 Jun, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 31 Dec, 2025 | Brian J. Costanzo | Common Stock | A | 2 | $1,602.62 | 957 | D | J |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 100 | $2,116.18 | 61,254 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 10 | $2,128.00 | 60,488 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 190 | $2,127.26 | 60,498 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 50 | $2,103.55 | 61,584 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 32 | $2,125.00 | 60,763 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 75 | $2,126.00 | 60,688 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 51 | $2,120.65 | 60,978 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 70 | $2,108.27 | 61,514 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 120 | $2,129.98 | 60,368 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 173 | $2,121.69 | 60,805 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 24 | $2,118.37 | 61,029 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 40 | $2,112.03 | 61,474 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 64 | $2,100.00 | 61,634 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 10 | $2,123.05 | 60,795 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 120 | $2,114.99 | 61,354 | D | S |
| 11 Dec, 2025 | Steven A Markel | Common Stock | D | 201 | $2,117.37 | 61,053 | D | S |
| 02 Dec, 2025 | Thomas Sinnickson Gayner | Common Stock | D | 37 | $2,060.83 | 52,258 | D | F |
| 02 Dec, 2025 | Richard Randolph Grinnan | Common Stock | D | 138 | $2,060.83 | 3,463 | D | F |
| 02 Dec, 2025 | Michael R Heaton | Common Stock | D | 217 | $2,060.83 | 4,709 | D | F |