CMP director receives 5,032 RSU equity award

Merle Denise M reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Merle Denise M reported acquisition or exercise transactions in this Form 4 filing.

Compass Minerals International director Denise M. Merle reported receiving an annual equity award in the form of 5,032 restricted stock units on March 5, 2026. These RSUs were granted for her service as a director and will vest on the earlier of the day immediately preceding the company’s next annual meeting (if held at least 50 weeks after the grant) or the first anniversary of the grant date. Following this award, she also reported holding 220 shares of common stock directly.

Insider Trade Summary

Grant/Award: 5,032 shares

Grant/Award 2 txns

Insider Merle Denise M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	5,032	$0.00	$0.00
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 5,032 contracts (Direct); Common Stock — 220 shares (Direct)

Footnotes (1)

1. F1. Represents annual grant of restricted stock units in connection with the Reporting Person's service as a director, which will vest on the earlier of (a) the day immediately preceding the Issuer's next annual meeting (as long as the meeting is held at least 50 weeks from the grant date) and (b) the first anniversary of the grant date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider activity did CMP director Denise M. Merle report on this Form 4?

Denise M. Merle reported the grant of 5,032 restricted stock units from Compass Minerals International on March 5, 2026. The award was made in connection with her service as a director and carries no cash exercise price.

How and when do Denise M. Merle’s CMP restricted stock units vest?

The 5,032 RSUs vest on the earlier of the day immediately before Compass Minerals’ next annual meeting, if held at least 50 weeks after the grant date, or on the first anniversary of the March 5, 2026 grant.

Is Denise M. Merle’s Form 4 transaction a purchase or a grant of CMP equity?

The Form 4 shows a grant of restricted stock units, not an open-market share purchase. The RSUs were awarded at a stated price of $0.00 per unit as compensation for her role as a director.

How many CMP shares and units does Denise M. Merle hold after this Form 4?

After the reported transactions, Denise M. Merle holds 5,032 restricted stock units and 220 shares of common stock, all reported as directly owned. The RSUs represent a future right to shares upon vesting, subject to grant terms.

Does the CMP Form 4 indicate any insider sale by Denise M. Merle?

The filing indicates no sales by Denise M. Merle. It reports one acquisition transaction involving 5,032 restricted stock units as a grant and a separate line reflecting 220 common shares held directly after the transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 04:53 PM Learn about SEC filing dates

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^*

Merle Denise M

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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								220	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	$0	03/05/2026		A		5,032(1)		03/04/2027	03/04/2027	Common Stock	5,032	$0	5,032	D

Explanation of Responses:

1. Represents annual grant of restricted stock units in connection with the Reporting Person's service as a director, which will vest on the earlier of (a) the day immediately preceding the Issuer's next annual meeting (as long as the meeting is held at least 50 weeks from the grant date) and (b) the first anniversary of the grant date.

Remarks:

	/s/ Deanne Larison, by power of attorney	03/09/2026
	** 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.