CMP Form 4: 8,979 restricted stock units awarded to officer

Rhea-AI Filing Summary

Compass Minerals International, Inc. (CMP) reported an equity compensation grant to its Chief Human Resources Officer. On 11/24/2025, the officer received 8,979 restricted stock units (RSUs), each representing the right to receive one share of Compass Minerals common stock. These RSUs vest in three equal annual installments, starting on the first anniversary of the grant date and ending on November 24, 2028. The RSUs were reported as held directly by the officer and have an exercise price of $0, reflecting that they are share-based awards rather than options requiring a purchase price.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tills Amy

(Last) (First) (Middle)

C/O COMPASS MINERALS INTERNATIONAL, INC.

9900 W 109TH ST STE 100

(Street)

OVERLAND PARK KS 66210

(City) (State) (Zip)

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 Human Resources Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/24/2025

4. If Amendment, Date of 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

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

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 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: 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	(1)	11/24/2025		A		8,979		(2)	11/24/2028	Common Stock	8,979	$0	8,979	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

2. Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on November 24, 2028.

Remarks:

	/s/ Deanne Larison, by power of attorney	11/26/2025
	** Signature of Reporting Person	Date
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 Number.

FAQ

What insider transaction did CMP report for its Chief Human Resources Officer?

Compass Minerals International (CMP) reported that its Chief Human Resources Officer received 8,979 restricted stock units (RSUs) on 11/24/2025, as disclosed in a Form 4.

How many Compass Minerals (CMP) RSUs were granted in this Form 4 filing?

The filing shows a grant of 8,979 restricted stock units, each representing a contingent right to receive one share of Compass Minerals common stock.

What is the vesting schedule of the 8,979 CMP restricted stock units?

The 8,979 RSUs vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on November 24, 2028.

What does each Compass Minerals restricted stock unit represent in this grant?

Each restricted stock unit represents a contingent right to receive one share of Compass Minerals International common stock, subject to vesting conditions.

Is there a purchase or exercise price for the CMP RSUs reported?

The derivative security table lists an exercise price of $0 for the restricted stock units, consistent with RSUs being share-based awards without a purchase price.

How are the CMP RSUs held by the reporting person in this Form 4?

The filing indicates that the 8,979 restricted stock units are held directly by the reporting officer.