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 *

Schuller George John JR		 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)
Chief Operations Officer
(Last)          (First)          (Middle)

C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 W 109TH ST STE 100		 3. Date of Earliest Transaction (MM/DD/YYYY)

1/13/2023
(Street)

OVERLAND PARK, KS 66210
(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 1/13/2023  M  10611 A$0 31892 D  
Common Stock 1/13/2023  F  3255 (1)D$47.01 28637 D  

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
Restricted Stock Unit  (2)1/13/2023  M     8063  1/13/2023 1/13/2023 Common Stock 8063.0 $0 0 D  
Restricted Stock Unit  (3)1/13/2023  M     2548   (4)1/13/2024 Common Stock 2548.0 $0 2548 D  
Explanation of Responses:
(1) Represents the number of shares withheld to satisfy tax withholding obligations in connection with the vesting and release of the restricted stock units listed in Table II.
(2) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. A performance hurdle tied to the Issuer's 2020 financial performance was satisfied.
(3) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
(4) Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on January 13, 2024.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Schuller George John JR
C/O COMPASS MINERALS INTERNATIONAL, INC.
9900 W 109TH ST STE 100
OVERLAND PARK, KS 66210

Chief Operations Officer
Signatures
/s/ Robert B. Porter, Attorney-in-Fact1/18/2023
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*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).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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