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 *
  Leunig Jack C.
 2. Date of Event Requiring Statement (Month/Day/Year)
05/28/2013		 3. Issuer Name and Ticker or Trading Symbol
COMPASS MINERALS INTERNATIONAL INC [CMP]
(Last)
(First)
(Middle)
C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 WEST 109TH STREET, SUITE 100		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Senior Vice President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

OVERLAND PARK, KS 66210		 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)
Common Stock 544 (1)
I
Company 401(k) Plan

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
Restricted Stock Unit 03/10/2014 03/10/2014 Common Stock 1,099 $ 0 (2) D  
Restricted Stock Unit 03/12/2015 03/12/2015 Common Stock 1,395 $ 0 (2) D  
Restricted Stock Unit 03/11/2016 03/11/2016 Common Stock 1,299 $ 0 (2) D  
Stock Option(Right to Buy) 10/13/2009 10/13/2015 Common Stock 1,850 $ 52.84 D  
Stock Option(Right to Buy) 03/10/2010 03/10/2016 Common Stock 2,910 $ 58.99 D  
Stock Option(Right to Buy) 03/10/2011 03/10/2017 Common Stock 3,145 $ 78.51 D  
Stock Option(Right to Buy) 03/10/2012 03/10/2018 Common Stock 2,410 $ 86.47 D  
Stock Option(Right to Buy) 03/12/2013 03/12/2019 Common Stock 3,244 $ 71.69 D  
Stock Option(Right to Buy) 03/11/2014 03/11/2020 Common Stock 3,614 $ 76.99 D  
Performance Stock Unit 03/10/2014 03/10/2014 Common Stock 746 $ 0 (3) D  
Performance Stock Unit 03/12/2015 03/12/2015 Common Stock 1,007 $ 0 (3) D  
Performance Stock Unit 03/11/2016 03/11/2016 Common Stock 965 $ 0 (3) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Leunig Jack C.
C/O COMPASS MINERALS INTERNATIONAL, INC.
9900 WEST 109TH STREET, SUITE 100
OVERLAND PARK, KS 66210		       Senior Vice President  

Signatures

/s/ Robert E. Marsh, Attorney in Fact 06/06/2013
**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).
(1) The information on this report is based on a 401(k) plan statement dated as of 06-04-2013.
(2) All Restricted Stock Units have an exercise price of $0.00.
(3) All Performance Stock Units have a conversion price of $0.00.

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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