STOCK TITAN

Tax withholding moves 481.668 Markel (NYSE: MKL) shares for CEO

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

MARKEL GROUP INC. Chief Executive Officer Thomas Sinnickson Gayner reported updated holdings of the company’s Common Stock. The primary activity was an F-code tax-withholding disposition, where 481.668 shares were withheld at $1844.0000 per share to satisfy exercise price or tax liabilities, leaving 56,259.6654 shares held directly.

The filing also lists indirect holdings, including 2,024 shares held by his spouse, 422.6600 shares held by a trust, and 2,822.2880 shares in a 401(k) Plan. A footnote notes that 11.218 shares were acquired under the MKL 401(k) plan between December 31, 2025 and March 31, 2026, based on the plan balance as of March 31, 2026, and states that beneficial ownership of certain securities is expressly disclaimed.

Positive

  • None.

Negative

  • None.
Insider GAYNER THOMAS SINNICKSON
Role Chief Executive Officer
Type Security Shares Price Value
Tax Withholding Common Stock 481.668 $1,844.00 $888K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 56,259.665 shares (Direct, null); Common Stock — 2,822.288 shares (Indirect, 401(k) Plan)
Footnotes (1)
  1. Between December 31, 2025 and March 31, 2026, the reporting person acquired 11.218 shares under the MKL 401(k) plan. The information reported herein is based on the plan balance as of March 31, 2026. Beneficial ownership of securities is expressly disclaimed.
Tax-withholding shares 481.668 shares F-code disposition at $1844.0000 per share
Tax-withholding price $1844.0000 per share Price for 481.668 withheld shares
Direct shares after transaction 56,259.6654 shares Common Stock held directly following F-code event
Spouse indirect holdings 2,024 shares Common Stock held indirectly by spouse
Trust indirect holdings 422.6600 shares Common Stock held indirectly by trust
401(k) plan holdings 2,822.2880 shares Common Stock held through MKL 401(k) plan
401(k) shares acquired 11.218 shares Acquired between Dec 31, 2025 and Mar 31, 2026
tax-withholding disposition financial
"The primary activity was an F-code tax-withholding disposition, where 481.668 shares were withheld"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
401(k) Plan financial
"2,822.2880 shares in a 401(k) Plan. A footnote notes that 11.218 shares were acquired"
A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.
Common Stock financial
"reported updated holdings of the company’s Common Stock. The primary activity was an F-code"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
beneficial ownership financial
"a footnote notes that 11.218 shares were acquired ... and states that beneficial ownership of certain securities is expressly disclaimed"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
indirect holdings financial
"The filing also lists indirect holdings, including 2,024 shares held by his spouse"
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
GAYNER THOMAS SINNICKSON

(Last)(First)(Middle)
C/O MARKEL GROUP INC.
4521 HIGHWOODS PARKWAY

(Street)
GLEN ALLEN VIRGINIA 23060

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
MARKEL GROUP INC. [ MKL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/15/2026F481.668D$1,84456,259.6654D
Common Stock2,822.288I401(k) Plan(1)
Common Stock422.66IBy Trust(2)
Common Stock2,024IBy Spouse(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Between December 31, 2025 and March 31, 2026, the reporting person acquired 11.218 shares under the MKL 401(k) plan. The information reported herein is based on the plan balance as of March 31, 2026.
2. Beneficial ownership of securities is expressly disclaimed.
Remarks:
/s/ Karen O. Earls, Attorney-in-fact for Thomas Sinnickson Gayner05/19/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did Markel Group (MKL) disclose in Thomas Gayner’s latest Form 4?

Markel Group’s CEO Thomas Sinnickson Gayner reported updated Common Stock holdings. The filing highlights a tax-withholding disposition of 481.668 shares and provides detailed direct and indirect ownership, including spouse, trust, and 401(k) plan positions with specific share counts and dates.

How many Markel Group (MKL) shares were used for tax withholding in this Form 4?

The Form 4 shows 481.668 shares of Markel Group Common Stock were withheld at $1844.0000 per share. This F-code transaction represents shares delivered to cover exercise price or tax liabilities, not an open-market sale, and is a routine administrative event.

How many Markel Group (MKL) shares does Thomas Gayner hold directly after this filing?

After the tax-withholding disposition, Thomas Sinnickson Gayner holds 56,259.6654 Markel Group Common Stock shares directly. This figure reflects his remaining direct ownership position following the 481.668-share F-code transaction reported in the Form 4 filing.

What indirect Markel Group (MKL) holdings are reported for Thomas Gayner?

Indirect holdings include 2,024 shares held by his spouse, 422.6600 shares held by a trust, and 2,822.2880 shares held in a 401(k) Plan. These positions are reported as indirect ownership, with a footnote expressly disclaiming beneficial ownership of certain securities.

What does the 401(k) plan footnote in the Markel Group (MKL) Form 4 say?

The footnote states that between December 31, 2025 and March 31, 2026, 11.218 shares were acquired under the MKL 401(k) plan. It clarifies the 401(k) balance is reported as of March 31, 2026, providing context for the indirect retirement-plan holdings.

What is meant by beneficial ownership being disclaimed in the Markel Group (MKL) filing?

The Form 4 includes a statement that beneficial ownership of certain securities is expressly disclaimed. This means the reporting person does not assert full economic or voting ownership over those particular indirectly held shares, such as those held by related parties or entities.