Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Stein William
 2. Date of Event Requiring Statement (Month/Day/Year)
06/13/2012		 3. Issuer Name and Ticker or Trading Symbol
Core-Mark Holding Company, Inc. [CORE]
(Last)
(First)
(Middle)
395 OYSTER POINT BLVD., SUITE 415		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
VP-Distribution
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SOUTH SAN FRANCISCO, CA 94080		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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 4,178
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 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
07 LTIP NQ GRTD 01-21-2009 01/21/2010 01/21/2016 Coremark Common Stock 102 $ 19.19 D  
Restricted Stock Units 07 LTIP 01/20/2011 01/20/2017 Coremark Common Stock 625 $ 0.01 D  
RSU 10LTIP GR 2012 01/18/2013 01/18/2019 Coremark Common Stock 1,750 $ 0.01 D  
10 LTIP RSU Granted 6-13-12 06/13/2013 06/13/2019 Coremark Common Stock 2,708 $ 0.01 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Stein William
395 OYSTER POINT BLVD., SUITE 415
SOUTH SAN FRANCISCO, CA 94080		       VP-Distribution  

Signatures

Shawn Levitt, POA 06/27/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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.

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