FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF 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 * Murray Christopher M 2. Date of Event Requiring Statement (MM/DD/YYYY)
5/19/2020 

3. Issuer Name and Ticker or Trading Symbol Core-Mark Holding Company, Inc. [CORE]
(Last)       (First)       (Middle)
1500 SOLANA BOULEVARD, SUITE 3400
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
SVP - Marketing /
(Street)
WESTLAKE, TX 76262      
(City)             (State)             (Zip)
5. 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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Coremark Common Stock  4075  D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
2019 RSU Grant   (1)  (1) Coremark Common Stock  4618  $0.01  D   
2019 Performance Shares   (2)  (2) Coremark Common Stock  6773  $0.01  D   
2020 RSU Grant   (3)  (3) Coremark Common Stock  11427  $0.01  D   

Explanation of Responses:
(1)  The remainder of this award vests in equal installments on January 1, 2021 and January 1, 2022.
(2)  Performance Shares earned upon the achievement of certain company financial goals. The remainder of this award vests in equal installments on January 1, 2021 and January 1, 2022.
(3)  This grant represents RSU's from the 2019 Long Term Incentive Plan that are subject to the following vesting schedule: 1/3 on January 23, 2021; 1/3 on January 1, 2022; 1/3 on January 1, 2023.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Murray Christopher M
1500 SOLANA BOULEVARD
SUITE 3400
WESTLAKE, TX 76262


SVP - Marketing

Signatures
Christopher Miller, POA 5/26/2020
**Signature of Reporting Person Date
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