Compass Minerals director David Safran resigns

Alongside the settlement, the transactions include a 108-unit director-service grant and forfeiture of 2,012 and 254 remaining restricted stock units.

Rhea-AI Filing Summary

Compass Minerals International Inc. (CMP) director David Safran’s resignation was accompanied by the vesting and settlement of 4,114 restricted stock units in common shares on October 9, 2026. The transactions also include a grant of 108 common stock units for his director service. Prorated portions of two RSU awards vested, while the remaining 2,012 and 254 restricted stock units were forfeited.

Insider Trade Summary

4,114 shares exercised/converted

Exercise 4 txns

Insider Safran David

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F3, F4	3,020	$0.00	$0.00
Exercise	Restricted Stock Unit F5, F6	1,094	$0.00	$0.00
Exercise	Common Stock F1	4,114	$0.00	$0.00
Grant/Award	Common Stock F2	108	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 0 contracts (Direct); Common Stock — 7,413 shares (Direct)

Footnotes (6)

1. F1. On October 9, 2026, in connection with the Reporting Person's resignation, 4,114 restricted stock units vested and were settled in shares of Issuer's common stock.
2. F2. Represents common stock units granted by the Issuer in connection with the Reporting Person's service as a director.
3. F3. Represents restricted stock units granted to the Reporting Person on 3/5/2026. Upon the Reporting Person's resignation from the Board of Directors, a prorated portion of this award became vested and the remainder of this award was forfeited.
4. F4. The remaining 2012 restricted stock units granted with this award have been forfeited.
5. F5. Represents restricted stock units granted to the Reporting Person on 12/18/2025. Upon the Reporting Person's resignation from the Board of Directors, a prorated portion of this award became vested and the remainder of this award was forfeited.
6. F6. The remaining 254 restricted stock units granted with this award have been forfeited

Key Figures

Restricted stock units vested and settled: 4,114 restricted stock units RSU derivative transaction units: 3,020 units RSU derivative transaction units: 1,094 units +3 more

6 metrics

Restricted stock units vested and settled 4,114 restricted stock units October 9, 2026; in connection with David Safran’s resignation

RSU derivative transaction units 3,020 units Transaction reported October 9, 2026

RSU derivative transaction units 1,094 units Transaction reported October 9, 2026

Common stock units granted 108 units Granted in connection with director service

Remaining restricted stock units forfeited 2,012 restricted stock units Remaining units from one award

Remaining restricted stock units forfeited 254 restricted stock units Remaining units from another award

Key Terms

restricted stock units, prorated portion, forfeited

3 terms

restricted stock units financial

"4,114 restricted stock units vested and were settled in shares"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

prorated portion financial

"a prorated portion of this award became vested"

forfeited financial

"The remaining 2012 restricted stock units granted with this award have been forfeited."

FAQ

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

How many shares did CMP director David Safran receive when his RSUs vested?

On October 9, 2026, 4,114 restricted stock units vested and were settled in shares of Compass Minerals International Inc. common stock in connection with David Safran’s resignation.

What RSU amounts appear in David Safran’s CMP transactions?

The two derivative RSU transaction rows report 3,020 units and 1,094 units. The related footnotes describe prorated vesting upon his resignation from the Board of Directors and forfeiture of the remaining units.

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

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Available on EDGAR 10/15/2026 - 04:38 PM EDT Accepted by SEC EDGAR 10/15/2026 - 04:38 PM EDT 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

X

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^*

Safran David

(Last) (First) (Middle)

C/O COMPASS MINERALS INTERNATIONAL, INC.

9900 WEST 109TH STREET, SUITE 100

(Street)

OVERLAND PARK KANSAS 66210

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	10/09/2026		M		4,114(1)	A	$0	7,305	D
Common Stock	10/09/2026		A		108(2)	A	$0	7,413	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)	$0	10/09/2026		M			3,020	03/04/2027	03/04/2027	Common Stock	3,020	$0	0(4)	D
Restricted Stock Unit(5)	$0	10/09/2026		M			1,094	12/18/2026	12/18/2026	Common Stock	1,094	$0	0(6)	D

Explanation of Responses:

1. On October 9, 2026, in connection with the Reporting Person's resignation, 4,114 restricted stock units vested and were settled in shares of Issuer's common stock.

2. Represents common stock units granted by the Issuer in connection with the Reporting Person's service as a director.

3. Represents restricted stock units granted to the Reporting Person on 3/5/2026. Upon the Reporting Person's resignation from the Board of Directors, a prorated portion of this award became vested and the remainder of this award was forfeited.

4. The remaining 2012 restricted stock units granted with this award have been forfeited.

5. Represents restricted stock units granted to the Reporting Person on 12/18/2025. Upon the Reporting Person's resignation from the Board of Directors, a prorated portion of this award became vested and the remainder of this award was forfeited.

6. The remaining 254 restricted stock units granted with this award have been forfeited

Remarks:

	/s/ Jared Campbell, by power of attorney	10/15/2026
	** 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.
* Form 4: SEC 1474 (03-26)