FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Heaton Michael R
2. Issuer Name and Ticker or Trading Symbol

MARKEL CORP [ MKL ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
President, Markel Ventures
(Last)          (First)          (Middle)

C/O MARKEL CORPORATION, 4521 HIGHWOODS PARKWAY
3. Date of Earliest Transaction (MM/DD/YYYY)

2/18/2020
(Street)

GLEN ALLEN, VA 23060
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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)
Code V Amount (A) or (D) Price
Common Stock 2/18/2020  A  248 (1)A$0 1581.1676 D  
Common Stock         118.421 I 401(K) Plan (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. 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 of Derivative Security: 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) Restricted stock units awarded pursuant to the Markel Corporation 2016 Equity Incentive Compensation Plan that will vest, subject to certain conditions, December 31, 2022.
(2) Holdings under the Markel Corporation 401(K) Plan are reported in units. The information reported herein is based on a plan statement dated as of December 31, 2019 and utilizes the most recent closing stockprice on that date of $1,143.17 per share. As of December 31, 2019, a unit under the Plan represented one share of Common Stock.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Heaton Michael R
C/O MARKEL CORPORATION
4521 HIGHWOODS PARKWAY
GLEN ALLEN, VA 23060


President, Markel Ventures

Signatures
/s/ Brian D. Sorkin, Attorney-in-fact for Michael R. Heaton2/20/2020
**Signature of Reporting PersonDate

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