Compass Minerals (CMP) CEO logs 22,350 RSU vesting and tax share withholding

Rhea-AI Filing Summary

Compass Minerals International President and CEO Edward C. Dowling reported equity award activity involving the company’s common stock. On January 18, 2026, 22,350 restricted stock units were converted into the same number of shares of common stock at an exercise price of $0, increasing his directly held common shares to 73,139.

On the same date, 6,878 shares of common stock were withheld at a price of $23.29 to satisfy tax withholding obligations tied to the vesting and release of these restricted stock units, leaving 66,261 common shares held directly afterward. The filing also shows 4,882 deferred stock units credited in connection with his service as a director. Each restricted stock unit represents a right to receive one share of common stock and vests in three equal installments from January 18, 2025 through January 18, 2027.

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^*

DOWLING EDWARD C

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
01/18/2026

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	01/18/2026		M		22,350	A	$0	73,139	D
Common Stock	01/18/2026		F		6,878(1)	D	$23.29	66,261	D
Common Stock(2)								4,882	D

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	(3)	01/18/2026		M			22,350	(4)	01/18/2027	Common Stock	22,350	$0	22,350	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. Represents deferred stock units granted by the Issuer in connection with the Reporting Person's service as a director.

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 installments, beginning on January 18, 2025 and ending on January 18, 2027.

Remarks:

	/s/ Deanne Larison, by power of attorney	01/20/2026
	** 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 transactions did CMP President and CEO Edward C. Dowling report on January 18, 2026?

Edward C. Dowling reported the conversion of 22,350 restricted stock units into common shares at an exercise price of $0, and the withholding of 6,878 shares of common stock at $23.29 to cover tax obligations related to the vesting of those units.

How many CMP common shares does Edward C. Dowling hold after the reported Form 4 transactions?

Following the January 18, 2026 transactions, Edward C. Dowling beneficially owns 66,261 shares of Compass Minerals International common stock directly.

What are the terms of Edward C. Dowlings restricted stock units reported by CMP?

Each restricted stock unit represents a contingent right to receive one share of Compass Minerals International common stock and vests in three equal installments, beginning on January 18, 2025 and ending on January 18, 2027.

Why were 6,878 CMP shares associated with Edward C. Dowling withheld?

The 6,878 shares of Compass Minerals International common stock were withheld to satisfy tax withholding obligations in connection with the vesting and release of the restricted stock units reported in the filing.

What derivative holdings related to CMP stock does Edward C. Dowling report?

Edward C. Dowling reports 22,350 restricted stock units as derivative securities, each linked to one share of Compass Minerals International common stock, with these units scheduled to vest fully by January 18, 2027.

What are the deferred stock units reported for Edward C. Dowling at Compass Minerals International (CMP)?

The filing lists 4,882 deferred stock units granted by Compass Minerals International in connection with Edward C. Dowlings service as a director.