COMPASS MINERALS INTERNATIONAL INC Insider Trading Activity

Compass Minerals International, Inc. (CMP) reported an insider equity award to its Chief Commercial Officer on a Form 4.

Accepted by SEC EDGAR 11/26/2025 - 04:03 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Compass Minerals International, Inc. (CMP) reported an insider equity award to its Chief Commercial Officer on a Form 4. On 11/24/2025, the officer received 17,576 restricted stock units, each representing a contingent right to receive one share of Compass Minerals common stock. These restricted stock units vest in three equal annual installments, starting on the first anniversary of the grant date and ending on November 24, 2028.

Following the reported transactions, the officer beneficially owns 13,213 shares of common stock directly and 249 shares indirectly through a 401(k) plan, with the 401(k) balance based on a statement dated as of October 15, 2025. The filing reflects routine equity-based compensation and updated beneficial ownership for a senior executive.

Insider Trade Summary

Grant/Award: 17,576 shares

Grant/Award 1 txn

Insider Nichols Benjamin S.

Role Chief Commercial Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	17,576	$0.00	$0.00
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 17,576 contracts (Direct); Common Stock — 13,213 shares (Direct); Common Stock — 249 shares (Indirect, 401(k) Plan)

Holdings Before and After: Restricted Stock Unit, 0 to 17,576 contracts (Direct)

Footnotes (3)

1. F1. The reported number is based on a 401(k) plan statement dated as of October 15, 2025.
2. F2. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
3. F3. Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on November 24, 2028.

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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
Estimated average burden
hours per response:			0.5

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^*

Nichols Benjamin S.

(Last) (First) (Middle)

C/O COMPASS MINERALS INTERNATIONAL, INC.

9900 WEST 109TH STREET, SUITE 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 Commercial 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
Common Stock								13,213	D
Common Stock								249(1)	I	401(k) Plan

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	(2)	11/24/2025		A		17,576		(3)	11/24/2028	Common Stock	17,576	$0	17,576	D

Explanation of Responses:

1. The reported number is based on a 401(k) plan statement dated as of October 15, 2025.

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

3. 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/ Jared Campbell, 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.