Markel Group Inc.
MKL- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0001096343
No open-market purchases or sales by Markel Group Inc. insiders were filed in the last 90 days; 930 institutions reported holding it in 13F filings for Q2 2026, worth $18.8B in total; superinvestors Giverny Capital and Gardner Russo & Quinn hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Markel Group Inc. 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 Markel Group Inc., 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 |
|---|---|---|---|---|
| Costanzo Brian J. | Chief Financial Officer | 1,632 | Jul 16, 2026 | 7 |
| Crowley Andrew G. | EVP & Pres., Markel Ventures | 2,749 | Jul 16, 2026 | 5 |
| Michael Jonathan E | Director | 333 | Jun 17, 2026 | 2 |
| Oreilly Michael | Director | 3,935 | Jun 17, 2026 | 2 |
| Morrison Harold Lawrence Jr. | Director | 1,127 | Jun 17, 2026 | 2 |
| Puckett A. Lynne | Director | 507 | Jun 17, 2026 | 3 |
| Leopold Diane | Director | 2,345 | Jun 17, 2026 | 3 |
| Cunningham Lawrence A | Director | 1,042 | Jun 17, 2026 | 2 |
| Besca Mark | Director | 1,222 | Jun 17, 2026 | 2 |
| Housel Morgan E. | Director | 1,029 | Jun 17, 2026 | 2 |
| Harris Greta J | Director | 645 | May 27, 2026 | 2 |
| Gayner Thomas Sinnickson | Chief Executive Officer | 56,260 | May 19, 2026 | 3 |
| Grinnan Richard Randolph | SVP, Chief Legal Officer & Sec | 4,147 | May 19, 2026 | 3 |
| Grandis Meade P. | CAO and Controller | 294 | Feb 26, 2026 | 1 |
| Wilson Simon | EVP and CEO, Markel Insurance | 2,397 | Feb 26, 2026 | 4 |
| Markel Steven A | Director | 60,368 | Dec 15, 2025 | 3 |
| Heaton Michael R | EVP & Chief Operating Officer | 4,709 | Dec 3, 2025 | 1 |
| Markel Anthony F | Director | 15,000 | Feb 25, 2025 | 0 |
| Noble Jeremy Andrew | President, Insurance | 4,888 | Feb 20, 2025 | 0 |
| Connell K Bruce | Director | 2,226 | Jul 14, 2023 | 0 |
| Davies Susan L. | CHRO, Markel Insurance | 848 | Dec 16, 2022 | 0 |
| Cox Robert C | Pres. & COO, Insur. Operations | 2,346 | Dec 7, 2022 | 0 |
| Whitt Richard R III | Co-Chief Executive Officer | 11,360 | Dec 7, 2022 | 0 |
| Kiscaden Bradley James | Pres/Chief Admin Off-Ins Ops | 8,090 | Feb 17, 2022 | 0 |
| Schreiner Linda V | SVP, Strategic Management | 1,528 | Dec 9, 2021 | 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug 5, 2022 (view filing) | Aug 4 | 1 day | Gayner Thomas SinnicksonCo-Chief Executive Officer | PPurchase | +50 | $1,202.46 | +$60.1K | +0.1%42.1K after | |
| May 12, 2022 (view filing) | May 10 | 2 days | Markel Anthony FDirector | PPurchase | +80 | $1,305.14 | +$104.4K | +3.1%2.65K after | |
| May 9, 2022 (view filing) | May 9 | Same day | Gayner Thomas SinnicksonCo-Chief Executive Officer | PPurchase | +50 | $1,306.00 | +$65.3K | +0.1%42.0K after | |
| May 9, 2022 (view filing) | May 6 | 3 days | Puckett A. LynneDirector | PPurchase | +78 | $1,319.71 | +$102.9K | +14.8%603.43 after | |
| Mar 30, 2022 (view filing) | Mar 29 | 1 day | Markel Steven ADirector | SSale | −1.50K | $1,486.02 | −$2.23M | −2.0%74.6K after | 18 lots |
| Mar 25, 2022 (view filing) | Mar 24 | 1 day | Markel Steven ADirector | SSale | −1.50K | $1,479.04 | −$2.22M | −1.9%76.1K after | 11 lots |
| Feb 9, 2022 (view filing) | Feb 8 | 1 day | Markel Anthony FDirector | SSale | −65 | $1,266.38 | −$82.3K | −3.2%1.99K after | From original |
| Nov 23, 2021 (view filing) | Nov 22 | 1 day | Gayner Thomas SinnicksonCo-Chief Executive Officer | PPurchase | +25 | $1,251.30 | +$31.3K | +0.1%40.1K after | |
| Oct 22, 2021 (view filing) | Oct 21 | 1 day | Markel Steven ADirector | SSale | −1.00K | $1,317.25 | −$1.32M | −1.2%79.6K after | 12 lots |
| Oct 20, 2021 (view filing) | Oct 19 | 1 day | Markel Steven ADirector | SSale | −1.50K | $1,300.16 | −$1.95M | −1.8%80.6K after | 12 lots |
| Oct 18, 2021 (view filing) | Oct 14 | 4 days | Markel Steven ADirector | SSale | −1.50K | $1,295.82 | −$1.94M | −1.8%82.1K after | 5 lots |
| Oct 18, 2021 (view filing) | Oct 15 | 3 days | Whitt Richard R IIICo-Chief Executive Officer | SSale | −750 | $1,302.65 | −$977.0K | −7.0%9.99K after | |
| Aug 12, 2021 (view filing) | Aug 11 | 1 day | Markel Anthony FDirector | SSale | −62 | $1,281.50 | −$79.5K | −2.9%2.06K after |