Director Mark Lawrence Roberts files Form 3 at Compass Minerals (CMP) reporting no shares

Rhea-AI Filing Summary

Compass Minerals International, Inc. director Mark Lawrence Roberts filed an initial ownership report stating that he beneficially owns no company securities. The Form 3 identifies him as a director of Compass Minerals (ticker CMP) with an event date of 12/18/2025.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Roberts Mark Lawrence

(Last) (First) (Middle)

C/O COMPASS MINERALS INTERNATIONAL, INC.

9900 WEST 109TH STREET, SUITE 100

(Street)

OVERLAND PARK KS 66210

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/18/2025

3. Issuer Name and Ticker or Trading Symbol
COMPASS MINERALS INTERNATIONAL INC [ CMP ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Deanne Larison, by power of attorney	01/29/2026
	** 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 5 (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

Who is the reporting person in the Compass Minerals (CMP) Form 3 filing?

The reporting person is Mark Lawrence Roberts, identified as a director of Compass Minerals International, Inc. The Form 3 is an initial statement of beneficial ownership that discloses his relationship to the company as a board member.

What does the Compass Minerals (CMP) Form 3 say about Mark Lawrence Roberts’ share ownership?

The Form 3 states that no securities are beneficially owned by director Mark Lawrence Roberts. This means he reported holding no Compass Minerals International, Inc. stock or derivative securities beneficially as of the Form 3 event date described in the filing.

What is the event date reported in the Compass Minerals (CMP) Form 3 for Mark Lawrence Roberts?

The Form 3 lists an event date of 12/18/2025. That date marks when the reporting requirement was triggered for Mark Lawrence Roberts, such as when he became a director of Compass Minerals International, Inc., requiring this initial ownership statement.

What type of securities are reported in the Compass Minerals (CMP) Form 3 for Mark Lawrence Roberts?

The filing includes tables for non-derivative and derivative securities, but notes that no securities are beneficially owned. Therefore, no specific Compass Minerals International, Inc. stock or derivative positions are listed for director Mark Lawrence Roberts in this report.

Does the Compass Minerals (CMP) Form 3 indicate any indirect ownership by Mark Lawrence Roberts?

No. The Form 3 specifically states that no securities are beneficially owned by Mark Lawrence Roberts. With no reported holdings, there is no disclosed indirect ownership through entities or other arrangements in this initial ownership statement.