MARKEL GROUP INC. (MKL)

Latest Insider Confidence Score

2026Q1

47.9
Bearish

Company insider confidence (by quarter)

2016Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Markel Group Inc. — 540,000 Jul 8, 2024
Gayner Thomas Sinnickson CEO 57,515.45 Dec 3, 2025
Markel Anthony F Director 31,045 Mar 8, 2022
Kirshner Alan I Chair 28,775.62 Apr 1, 2016
Markel Steven A Director 17,060.7 Dec 1, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 24, 2026 Feb 26, 2026 Costanzo Brian J. CFO Neutral 90.0 +654 55.46% ✗ -
Feb 24, 2026 Feb 26, 2026 Crowley Andrew G. EVP & Pres., Markel Ventures Neutral 90.0 +830 39.17% ✗ -
Feb 24, 2026 Feb 26, 2026 Grinnan Richard Randolph SVP, Chief Legal Officer & Sec Neutral 90.0 +800 22.36% ✗ -
Feb 24, 2026 Feb 26, 2026 Grandis Meade P. CAO and Controller Neutral 77.5 +69 1.01% ✗ -
Feb 24, 2026 Feb 26, 2026 GAYNER THOMAS SINNICKSON CEO Neutral 85.0 +4,483 7.80% ✗ -
Feb 24, 2026 Feb 26, 2026 Wilson Simon CEO Sell 95.0 +768 47.16% ✗ $207.9K
Feb 17, 2026 Feb 19, 2026 Wilson Simon CEO Sell 22.5 -47 -2.80% ✗ $98K
Dec 31, 2025 Jan 20, 2026 Costanzo Brian J. CFO Buy 55.0 +2 0.19% ✗ $3.5K
Dec 11, 2025 Dec 15, 2025 MARKEL STEVEN A Director Sell 40.0 -1,330 -1.69% ✓ $2.8M
Dec 2, 2025 Dec 3, 2025 GAYNER THOMAS SINNICKSON CEO Sell 47.5 -36 -0.06% ✗ $75.5K
Dec 2, 2025 Dec 3, 2025 Wilson Simon CEO Sell 22.5 -94 -5.31% ✗ $193.7K
Dec 2, 2025 Dec 3, 2025 Heaton Michael R COO Sell 20.0 -217 -4.27% ✗ $448K
Dec 2, 2025 Dec 3, 2025 Grinnan Richard Randolph SVP, Chief Legal Officer & Sec Sell 20.0 -138 -3.71% ✗ $284.4K
Dec 2, 2025 Dec 3, 2025 Crowley Andrew G. President Sell 22.5 -64 -2.97% ✗ $133.5K
Dec 2, 2025 Dec 3, 2025 Costanzo Brian J. CFO Sell 26.3 -21 -1.81% ✗ $44.8K
Nov 26, 2025 Dec 1, 2025 MARKEL STEVEN A Director Sell 47.5 -170 -0.22% ✓ $357K
Nov 25, 2025 Nov 25, 2025 Wilson Simon CEO Sell 22.5 -75 -4.07% ✗ $155.5K
Nov 17, 2025 Nov 18, 2025 MARKEL STEVEN A Director Neutral 37.5 -500 -0.63% ✗ -
Sep 30, 2025 Oct 16, 2025 Costanzo Brian J. CFO Buy 55.0 +1 0.15% ✗ $3K
Aug 25, 2025 Aug 27, 2025 Grandis Meade P. CAO and Controller Sell 22.5 -75 -1.08% ✗ $148.8K
Jul 15, 2025 Jul 16, 2025 Crowley Andrew G. President Buy 61.3 +5 0.26% ✗ $10K
Jun 30, 2025 Jul 16, 2025 Costanzo Brian J. CFO Buy 55.0 +2 0.19% ✗ $3.5K
Jun 13, 2025 Jun 17, 2025 MICHAEL JONATHAN E Director Buy 95.0 +63 55.37% ✗ $110K
Jun 13, 2025 Jun 17, 2025 Morrison Harold Lawrence Jr. Director Buy 87.5 +31 3.26% ✗ $55K
Jun 13, 2025 Jun 17, 2025 Cunningham Lawrence A Director Buy 90.0 +63 7.40% ✗ $110K
Jun 13, 2025 Jun 17, 2025 Housel Morgan E. Director Buy 90.0 +63 7.82% ✗ $110K
Jun 13, 2025 Jun 17, 2025 Leopold Diane Director Buy 87.5 +63 2.51% ✗ $110K
Jun 13, 2025 Jun 17, 2025 Puckett A. Lynne Director Buy 87.5 +63 3.74% ✗ $110K
Jun 13, 2025 Jun 17, 2025 OREILLY MICHAEL Director Buy 82.5 +80 2.19% ✗ $140K
Jun 13, 2025 Jun 17, 2025 Crowley Andrew G. President Buy 61.3 +8 0.40% ✗ $15K
May 23, 2025 May 27, 2025 Harris Greta J Director Sell 22.5 -90 -12.47% ✗ $167.5K
May 21, 2025 May 23, 2025 Harris Greta J Director Neutral 90.0 +88 13.88% ✗ -
May 21, 2025 May 23, 2025 Besca Mark Director Neutral 85.0 +88 9.13% ✗ -
May 21, 2025 May 23, 2025 Housel Morgan E. Director Neutral 90.0 +88 12.18% ✗ -
May 21, 2025 May 23, 2025 Leopold Diane Director Neutral 82.5 +88 3.61% ✗ -
May 21, 2025 May 23, 2025 Morrison Harold Lawrence Jr. Director Neutral 85.0 +88 9.94% ✗ -
May 21, 2025 May 23, 2025 OREILLY MICHAEL Director Neutral 77.5 +88 2.45% ✗ -
May 21, 2025 May 23, 2025 Puckett A. Lynne Director Neutral 85.0 +88 5.48% ✗ -
May 21, 2025 May 23, 2025 MICHAEL JONATHAN E Director Neutral 90.0 +88 332.86% ✗ -
May 21, 2025 May 23, 2025 Cunningham Lawrence A Director Buy 91.3 +113 15.20% ✗ $46.3K
May 19, 2025 May 20, 2025 MARKEL STEVEN A Director Neutral 45.0 -300 -0.38% ✗ -
May 19, 2025 May 20, 2025 Grandis Meade P. CAO and Controller Sell 20.0 -400 -5.44% ✗ $764.7K
May 15, 2025 May 19, 2025 Heaton Michael R COO Buy 82.5 +87 1.76% ✗ $150K
May 15, 2025 May 19, 2025 Wilson Simon CEO Buy 47.5 +0 0.02% ✗ $640
May 15, 2025 May 19, 2025 Crowley Andrew G. President Buy 55.0 +2 0.14% ✗ $5K
May 5, 2025 May 7, 2025 Grandis Meade P. CAO and Controller Sell 20.0 -400 -5.16% ✗ $751K
Apr 15, 2025 Apr 17, 2025 Wilson Simon CEO Buy 47.5 +0 0.02% ✗ $644.4
Apr 15, 2025 Apr 17, 2025 MICHAEL JONATHAN E Director Buy 91.3 +11 76.25% ✗ $18.3K
Mar 31, 2025 Apr 17, 2025 Crowley Andrew G. President Buy 68.8 +23 0.57% ✗ $35K
Mar 31, 2025 Apr 17, 2025 Costanzo Brian J. CFO Buy 55.0 +2 0.17% ✗ $3K
Mar 19, 2025 Wilson Simon CEO Neutral 52.5 - 0.00% ✗ -
Mar 15, 2025 Mar 18, 2025 MICHAEL JONATHAN E Director Neutral 90.0 +15 100.00% ✗ -
Mar 18, 2025 MICHAEL JONATHAN E Director Neutral 52.5 - 0.00% ✗ -
Feb 24, 2025 Feb 26, 2025 MARKEL STEVEN A Director Sell 40.0 -1,146 -1.40% ✓ $2.1M
Feb 25, 2025 Feb 26, 2025 MARKEL STEVEN A Director Sell 46.3 -1,054 -0.06% ✓ $2M
Feb 24, 2025 Feb 25, 2025 MARKEL ANTHONY F Director Neutral 27.5 -840 -1.13% ✗ -
Feb 21, 2025 Feb 25, 2025 MARKEL STEVEN A Director Sell 42.5 -800 -0.97% ✓ $1.5M
Feb 18, 2025 Feb 20, 2025 Noble Jeremy Andrew President Neutral 90.0 +1,015 24.68% ✗ -
Feb 18, 2025 Feb 20, 2025 Heaton Michael R COO Neutral 90.0 +1,015 25.52% ✗ -
Feb 18, 2025 Feb 20, 2025 Grinnan Richard Randolph SVP, Chief Legal Officer & Sec Neutral 90.0 +600 19.33% ✗ -
Feb 18, 2025 Feb 20, 2025 Grandis Meade P. CAO and Controller Neutral 77.5 +51 1.73% ✗ -
Feb 18, 2025 Feb 20, 2025 Crowley Andrew G. President Neutral 90.0 +517 32.08% ✗ -
Feb 18, 2025 Feb 20, 2025 Costanzo Brian J. CFO Neutral 90.0 +379 47.05% ✗ -
Feb 18, 2025 Feb 20, 2025 GAYNER THOMAS SINNICKSON CEO Neutral 85.0 +3,349 6.18% ✗ -
Feb 7, 2025 Feb 7, 2025 GAYNER THOMAS SINNICKSON CEO Buy 60.0 +100 0.18% ✗ $200.8K
Jan 15, 2025 Jan 17, 2025 Crowley Andrew G. President Buy 61.3 +6 0.39% ✗ $10K
Dec 31, 2024 Jan 17, 2025 Noble Jeremy Andrew President Buy 55.0 +4 0.11% ✗ $6.3K
Dec 31, 2024 Jan 17, 2025 Costanzo Brian J. CFO Buy 60.0 +2 0.26% ✗ $2.8K
Dec 24, 2024 Dec 27, 2024 Crowley Andrew G. President Buy 61.3 +6 0.40% ✗ $10K
Dec 13, 2024 Dec 16, 2024 Heaton Michael R COO Buy 68.8 +32 0.81% ✗ $50K
Dec 5, 2024 Dec 9, 2024 Heaton Michael R COO Sell 20.0 -155 -3.78% ✗ $272.7K
Dec 5, 2024 Dec 9, 2024 Costanzo Brian J. CFO Sell 26.3 -21 -2.54% ✗ $36.9K
Dec 5, 2024 Dec 9, 2024 Noble Jeremy Andrew President Sell 43.8 -13 -0.32% ✗ $22.9K
Dec 5, 2024 Dec 9, 2024 GAYNER THOMAS SINNICKSON CEO Sell 47.5 -45 -0.08% ✗ $79.2K
Dec 5, 2024 Dec 9, 2024 Grinnan Richard Randolph SVP, Chief Legal Officer & Sec Sell 22.5 -133 -4.10% ✗ $234K
Dec 5, 2024 Dec 9, 2024 Crowley Andrew G. President Sell 22.5 -31 -1.90% ✗ $54.5K
Nov 15, 2024 Nov 19, 2024 Noble Jeremy Andrew President Buy 61.3 +13 0.32% ✗ $20K
Nov 15, 2024 Nov 19, 2024 Crowley Andrew G. President Buy 68.8 +9 0.60% ✗ $15K
Nov 6, 2024 Nov 8, 2024 MARKEL ANTHONY F Director Neutral 52.5 - 0.00% ✗ -
Nov 1, 2024 Nov 5, 2024 GAYNER THOMAS SINNICKSON CEO Buy 60.0 +100 0.19% ✗ $155K
Sep 30, 2024 Oct 16, 2024 Noble Jeremy Andrew President Buy 55.0 +4 0.10% ✗ $5.4K
Oct 15, 2024 Oct 16, 2024 Crowley Andrew G. President Buy 60.0 +5 0.33% ✗ $7.5K
Sep 30, 2024 Oct 16, 2024 Costanzo Brian J. CFO Buy 60.0 +1 0.22% ✗ $2.4K
Sep 13, 2024 Sep 16, 2024 Crowley Andrew G. President Buy 60.0 +3 0.22% ✗ $5K
Sep 13, 2024 Sep 16, 2024 Heaton Michael R COO Buy 68.8 +35 0.88% ✗ $50K
Aug 15, 2024 Aug 19, 2024 Crowley Andrew G. President Buy 60.0 +3 0.22% ✗ $5K
Aug 5, 2024 Aug 6, 2024 MARKEL ANTHONY F Director Neutral 37.5 -532 -0.73% ✗ -
Aug 2, 2024 Aug 5, 2024 Cunningham Lawrence A Director Buy 83.8 +30 4.20% ✗ $45.8K
Jun 28, 2024 Jul 17, 2024 Costanzo Brian J. CFO Buy 60.0 +2 0.27% ✗ $2.8K
Jun 28, 2024 Jul 17, 2024 Heaton Michael R COO Buy 61.3 +16 0.41% ✗ $21.3K
Jun 28, 2024 Jul 17, 2024 Noble Jeremy Andrew President Buy 55.0 +4 0.12% ✗ $6.3K
Jun 28, 2024 Jul 17, 2024 Crowley Andrew G. President Buy 68.8 +12 0.80% ✗ $17.5K
Jul 3, 2024 Jul 8, 2024 MARKEL GROUP INC. 10% Owner Neutral 82.5 +108,000 3.60% ✗ -
Jun 14, 2024 Jun 17, 2024 Cunningham Lawrence A Director Buy 95.0 +79 12.48% ✗ $110K
Jun 14, 2024 Jun 17, 2024 Besca Mark Director Buy 90.0 +79 8.94% ✗ $110K
Jun 14, 2024 Jun 17, 2024 Housel Morgan E. Director Buy 95.0 +79 12.30% ✗ $110K
Jun 14, 2024 Jun 17, 2024 Leopold Diane Director Buy 87.5 +79 3.35% ✗ $110K
Jun 14, 2024 Jun 17, 2024 Morrison Harold Lawrence Jr. Director Buy 87.5 +39 4.68% ✗ $55K
Jun 14, 2024 Jun 17, 2024 OREILLY MICHAEL Director Buy 87.5 +100 2.89% ✗ $140K
Jun 14, 2024 Jun 17, 2024 Puckett A. Lynne Director Buy 90.0 +79 5.18% ✗ $110K