MARKEL GROUP INC. (MKL) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-17

MARKEL GROUP INC. (MKL) has filed 24 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-17. 2 Form 8-K material event filings were reported by MKL in the last 90 days. 1 Form 144 notices of proposed sale were filed for MKL stock. InsiderAlpha tracks every MKL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About MARKEL GROUP INC. (MKL)

SIC classification	Fire, Marine & Casualty Insurance (SIC 6331)
SEC CIK	0001096343

90-Day SEC Filing Activity

Form 4 filings (90d)	24
Form 8-K filings (90d)	2
Form 144 notices (90d)	1
Latest Form 4 filing	2026-06-17

Recent MKL Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-15	MICHAEL JONATHAN E	Director	J — Other acquisition / disposition	66	$1,668.65	$110K	SEC
2026-06-15	Cunningham Lawrence A	Director	J — Other acquisition / disposition	33	$1,668.65	$55K	SEC
2026-06-15	Morrison Harold Lawrence Jr.	Director	J — Other acquisition / disposition	33	$1,668.65	$55K	SEC
2026-06-15	Besca Mark	Director	J — Other acquisition / disposition	81	$1,668.65	$135K	SEC
2026-06-15	Puckett A. Lynne	Director	J — Other acquisition / disposition	66	$1,668.65	$110K	SEC
2026-06-15	OREILLY MICHAEL	Director	J — Other acquisition / disposition	90	$1,668.65	$150K	SEC
2026-06-15	Leopold Diane	Director	J — Other acquisition / disposition	66	$1,668.65	$110K	SEC
2026-06-15	Housel Morgan E.	Director	J — Other acquisition / disposition	66	$1,668.65	$110K	SEC
2026-05-22	Harris Greta J	Director	S — Open-market sale	35	$1,846.12	$65K	SEC
2026-05-22	Harris Greta J	Director	S — Open-market sale	14	$1,847.36	$26K	SEC
2026-05-22	Harris Greta J	Director	S — Open-market sale	27	$1,848.83	$50K	SEC
2026-05-20	Cunningham Lawrence A	Director	A — Grant or award	89	$0.00	—	SEC
2026-05-20	OREILLY MICHAEL	Director	A — Grant or award	89	$0.00	—	SEC
2026-05-20	Puckett A. Lynne	Director	A — Grant or award	89	$0.00	—	SEC
2026-05-20	Harris Greta J	Director	A — Grant or award	89	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for MARKEL GROUP INC. (MKL). Updated in real time as new filings are submitted to the SEC.

Most-Active MKL Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Harris Greta J	4	$140K
Leopold Diane	4	$379K
Puckett A. Lynne	3	$212K
Cunningham Lawrence A	2	$55K
MICHAEL JONATHAN E	2	$110K

Recent MKL Form 8-K Material Events

2026-05-22 — Item 9.01 [SEC]
2026-05-20 — Item 7.01, 9.01 [SEC]
2026-02-26 — Item 7.01, 9.01 · Other · neutral [SEC]
Markel Group posted its 2025 Letter to Shareholders from CEO Thomas Gayner on its investor relations website and filed it as an exhibit to an 8-K. This is a routine annual disclosure accompanying the company's 10-K filing, containing forward-looking statements and non-GAAP reconc
2026-02-26 — Item 5.02, 5.03, 9.01 · Leadership · neutral [SEC]
Markel Group announced a leadership transition effective February 23, 2026, in which Michael R. Heaton (Executive Vice President and Chief Operating Officer) departed the company with a March 23, 2026 separation date, while Simon Wilson and Andrew G. Crowley were promoted to EVP

Recent MKL Form 144 Notices of Proposed Sale

2026-05-22 — — [SEC]

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

2026-06-17 — Besca Mark (Director)
2026-06-17 — Housel Morgan E. (Director)
2026-06-17 — Leopold Diane (Director)
2026-06-17 — MICHAEL JONATHAN E (Director)
2026-06-17 — Morrison Harold Lawrence Jr. (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in MKL insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

MKL Insider Trading — FAQ

What is the latest insider trade for MKL?: MARKEL GROUP INC. (MKL) had 24 insider filings in the last 90 days, with the most recent on 2026-06-17. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying MKL stock?: 0 insider purchases of MKL were filed in the last 90 days.
How many insiders are selling MKL stock?: 0 insider sales of MKL were filed in the last 90 days.
Where can I see MKL SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every MKL SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

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