Ownership Submission
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

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. Issuer Name and Ticker or Trading Symbol
COMPASS MINERALS INTERNATIONAL INC [CMP] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Senior Vice President
(Last)
(First)
(Middle)
C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 WEST 109TH STREET, SUITE 100		 3. Date of Earliest Transaction (Month/Day/Year)
03/10/2015
(Street)

OVERLAND PARK, KS 66210		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 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)
Code V Amount (A) or (D) Price
Common Stock               2,942 D  
Common Stock               756 (1) I Company 401(k) Plan

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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 Underlying Securities
(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)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit $ 0             03/12/2015 03/12/2015 Common Stock 1,395   1,395 D  
Restricted Stock Unit $ 0             03/11/2016 03/11/2016 Common Stock 1,299   1,299 D  
Restricted Stock Unit $ 0             03/10/2017 03/10/2017 Common Stock 860   860 D  
Restricted Stock Unit $ 0 03/10/2015   A(2)   1,090   03/10/2018 03/10/2018 Common Stock 1,090 $ 0 1,090 D  
Stock Option (Right to Buy) $ 52.84             10/13/2009 10/13/2015 Common Stock 1,850   1,850 D  
Stock Option (Right to Buy) $ 58.99             03/10/2010 03/10/2016 Common Stock 2,910   2,910 D  
Stock Option (Right to Buy) $ 78.51             03/10/2011 03/10/2017 Common Stock 3,145   3,145 D  
Stock Option (Right to Buy) $ 86.47             03/10/2012 03/10/2018 Common Stock 2,410   2,410 D  
Stock Option (Right to Buy) $ 71.69             03/12/2013 03/12/2019 Common Stock 3,244   3,244 D  
Stock Option (Right to Buy) $ 76.99             03/11/2014 03/11/2020 Common Stock 3,614   3,614 D  
Stock Option (Right to Buy) $ 87.18             03/10/2015 03/10/2021 Common Stock 4,621   4,621 D  
Stock Option (Right to Buy) $ 91.75 03/10/2015   A(3)   6,627   03/10/2016 03/10/2022 Common Stock 6,627 $ 0 6,627 D  
Performance Stock Unit $ 0             03/12/2015 03/12/2015 Common Stock 1,007   1,007 D  
Performance Stock Unit $ 0             03/11/2016 03/11/2016 Common Stock 965   965 D  
Performance Stock Unit $ 0             03/10/2017 03/10/2017 Common Stock 1,418   1,418 D  
Performance Stock Unit(rTSR) $ 0 03/10/2015   A(4)   900   03/10/2018 03/10/2018 Common Stock 900 $ 0 900 D  
Performance Stock Unit(ROIC) $ 0 03/10/2015   A(5)   1,090   03/10/2018 03/10/2018 Common Stock 1,090 $ 0 1,090 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 as Attorney-in-Fact   03/12/2015
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The information in this report is based on a 401(k) plan statement dated as of 03-09-15.
(2) Restricted Stock Units granted: 3 year cliff vest on 3-10-2018, provided performance threshold satisfied.
(3) Stock options granted: vesting 25% after year one and then 25% per year thereafter.
(4) On the third anniversary of the grant date, these PSUs cliff vest and shares of Company common stock are granted based on achievement of relative total shareholder return ("rTSR") performance goals over a three-year period beginning in 2015 and ending in 2017. Payout for vested PSUs range from 0% to 150% based on the Company's rTSR percentile compared to the rTSR of the companies comprising a market index. The number of shares in this grant are subject to adjustment, up or down, based upon attainment above or below the targeted percentile rank.
(5) On the third anniversary of the grant date, these PSUs cliff vest and shares of Company common stock are granted based on an average of three annual calculations of achievement of return on invested capital ("ROIC") performance goals over a three-year period beginning in 2015 and ending in 2017. Payout for vested PSUs range from 0% to 200% based on the Company's ROIC performance. The number of shares in this grant are subject to adjustment, up or down, based upon attainment above or below the targeted ROIC.

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