Executive and director filing history, acquisition and disposal balance, executive concentration, cadence, and stored market context.
Symbol
MKLLatest filing 15 Jul 2026
Company Read
Net disposal
MKL has 34 stored insider filings.
Acquisitions account for 79.4% of classified filings and disposals account for 20.6%.
The largest stored filing is $888.2K from GAYNER, THOMAS SINNICKSON.
Latest filing
15 Jul 2026most recent stored row
Largest filing
$888.2Kreported transaction value
Total filings
34stored transaction rows
Acquisition value
$1.4M27 acquisitions
Disposal value
$1.4M7 disposals
Net value
$-10.3Kacquisitions minus disposals
Filing cadence
Last 12 active months
Mar 20262
May 202621
Jun 202610
Jul 20261
Acquisitions 79.4% · Disposals 20.6%
Mar 2026$18.0K
May 2026$1.9M
Jun 2026$843.1K
Jul 2026$12.9K
Executive concentration
By filing count
CROWLEY, ANDREW G.EVP & Pres., Markel Ventures · 5 filings
LEOPOLD, DIANEDirector · 4 filings
HARRIS, GRETA JDirector · 4 filings
COSTANZO, BRIAN J.Chief Financial Officer · 4 filings
PUCKETT, A. LYNNEDirector · 3 filings
OREILLY, MICHAELDirector · 2 filings
BESCA, MARKDirector · 2 filings
MICHAEL, JONATHAN EDirector · 2 filings
Market Context
MKL weekly market snapshot
Week 31 Jul 2026
Latest close
32270.00 MXNstored weekly close
1-week move
+0.0%latest weekly bar
13-week move
+0.0%medium-term context
Relative Strength
-12.0Sharemaestro indicator
Fair value gap
+3.7%price vs fair value
Trend signal
0smoothed trend state
Transaction History
Latest insider filings for MKL
Showing 1-30 of 34
Date
15 Jul 2026
Insider
CROWLEY, ANDREW G.EVP & Pres., Markel Ventures
Side
Acquisition
Shares
7
Price
1730.49
Value
12945
Security
Common Stock
Date
30 Jun 2026
Insider
CROWLEY, ANDREW G.EVP & Pres., Markel Ventures
Side
Acquisition
Shares
3
Price
1617.19
Value
4555
Security
Common Stock
Date
30 Jun 2026
Insider
COSTANZO, BRIAN J.Chief Financial Officer
Side
Acquisition
Shares
2
Price
1617.19
Value
3500
Security
Common Stock
Date
15 Jun 2026
Insider
OREILLY, MICHAELDirector
Side
Acquisition
Shares
90
Price
1668.65
Value
150000
Security
Common Stock
Date
15 Jun 2026
Insider
BESCA, MARKDirector
Side
Acquisition
Shares
81
Price
1668.65
Value
135000
Security
Common Stock
Date
15 Jun 2026
Insider
HOUSEL, MORGAN E.Director
Side
Acquisition
Shares
66
Price
1668.65
Value
110000
Security
Common Stock
Date
15 Jun 2026
Insider
LEOPOLD, DIANEDirector
Side
Acquisition
Shares
66
Price
1668.65
Value
110000
Security
Common Stock
Date
15 Jun 2026
Insider
MICHAEL, JONATHAN EDirector
Side
Acquisition
Shares
66
Price
1668.65
Value
110000
Security
Common Stock
Date
15 Jun 2026
Insider
PUCKETT, A. LYNNEDirector
Side
Acquisition
Shares
66
Price
1668.65
Value
110000
Security
Common Stock
Date
15 Jun 2026
Insider
CUNNINGHAM, LAWRENCE ADirector
Side
Acquisition
Shares
33
Price
1668.65
Value
55000
Security
Common Stock
Date
15 Jun 2026
Insider
MORRISON, HAROLD LAWRENCE JR.Director
Side
Acquisition
Shares
33
Price
1668.65
Value
55000
Security
Common Stock
Date
22 May 2026
Insider
HARRIS, GRETA JDirector
Side
Disposal
Shares
35
Price
1846.12
Value
64614
Security
Common Stock
Date
22 May 2026
Insider
HARRIS, GRETA JDirector
Side
Disposal
Shares
27
Price
1848.83
Value
49918
Security
Common Stock
Date
22 May 2026
Insider
HARRIS, GRETA JDirector
Side
Disposal
Shares
14
Price
1847.36
Value
25863
Security
Common Stock
Date
20 May 2026
Insider
BESCA, MARKDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
CUNNINGHAM, LAWRENCE ADirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
HARRIS, GRETA JDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
HOUSEL, MORGAN E.Director
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
LEOPOLD, DIANEDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
MICHAEL, JONATHAN EDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
MORRISON, HAROLD LAWRENCE JR.Director
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
OREILLY, MICHAELDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
20 May 2026
Insider
PUCKETT, A. LYNNEDirector
Side
Acquisition
Shares
89
Price
0.00
Value
0
Security
Common Stock
Date
15 May 2026
Insider
GAYNER, THOMAS SINNICKSONDirector, Chief Executive Officer
Side
Disposal
Shares
482
Price
1844.00
Value
888196
Security
Common Stock
Date
15 May 2026
Insider
GRINNAN, RICHARD RANDOLPHSVP, Chief Legal Officer & Sec
Side
Disposal
Shares
116
Price
1844.00
Value
214564
Security
Common Stock
Date
15 May 2026
Insider
CROWLEY, ANDREW G.EVP & Pres., Markel Ventures
Side
Disposal
Shares
75
Price
1844.00
Value
138053
Security
Common Stock
Date
15 May 2026
Insider
CROWLEY, ANDREW G.EVP & Pres., Markel Ventures
Side
Acquisition
Shares
60
Price
1659.60
Value
100000
Security
Common Stock
Date
15 May 2026
Insider
COSTANZO, BRIAN J.Chief Financial Officer
Side
Acquisition
Shares
30
Price
1659.60
Value
50000
Security
Common Stock
Date
15 May 2026
Insider
COSTANZO, BRIAN J.Chief Financial Officer
Side
Disposal
Shares
13
Price
1844.00
Value
24120
Security
Common Stock
Date
7 May 2026
Insider
LEOPOLD, DIANEDirector
Side
Acquisition
Shares
50
Price
1789.19
Value
89460
Security
Common Stock
Plain English Guide
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