Compass Minerals International Inc (NYSE: CMP) CAO settles RSUs and tax withholding

Rhea-AI Filing Summary

Ashley Ward, Chief Accounting Officer of Compass Minerals International, reported vesting and settlement of 8,333 restricted stock units into an equal number of shares of common stock on July 28, 2026. The RSU award was fully settled, leaving 0 derivative units outstanding.

To satisfy related tax obligations, 2,443 shares of common stock were withheld at $29.69 per share. The Rule 10b5-1 checkbox is not marked, so these transactions are reported as not executed under a trading plan.

Insider Trade Summary

Net Buyer: 5,890 shares

Net Buy 3 txns

Insider Ward Ashley

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit F2, F3	8,333	$0.00	$0.00
Exercise	Common Stock	8,333	$0.00	$0.00
Tax Withholding	Common Stock F1	2,443	$29.69	$73K

Holdings After Transaction: Restricted Stock Unit — 0 shares (Direct); Common Stock — 7,725 shares (Direct)

Footnotes (3)

1. F1. 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. F2. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
3. F3. Restricted stock units vest on July 28, 2026.

Key Figures

RSUs converted: 8333.0000 shares Shares withheld for taxes: 2443.0000 shares Tax withholding price: $29.6900 per share +1 more

4 metrics

RSUs converted 8333.0000 shares Restricted stock units settled into common stock on July 28, 2026

Shares withheld for taxes 2443.0000 shares Common stock withheld to satisfy tax withholding obligations

Tax withholding price $29.6900 per share Per-share value used for shares withheld for tax obligations

Derivative units remaining 0.0000 units Restricted stock unit balance following the reported settlement

Key Terms

Restricted Stock Unit, tax withholding obligations, contingent right, vesting and release

4 terms

Restricted Stock Unit financial

"Restricted stock unit represents a contingent right to receive one share"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

tax withholding obligations financial

"shares withheld to satisfy tax withholding obligations in connection with vesting"

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share"

vesting and release financial

"in connection with the vesting and release of the restricted stock units"

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/29/2026 - 05:29 PM Accepted by SEC EDGAR 07/29/2026 - 05:29 PM Learn about SEC filing dates

FAQ

What did Compass Minerals (CMP) executive Ashley Ward report in this Form 4?

Ashley Ward reported the vesting and conversion of 8,333 restricted stock units into common stock on July 28, 2026. In the same event, 2,443 shares were withheld to cover tax obligations at a specified per-share price.

How many Compass Minerals (CMP) restricted stock units vested for Ashley Ward?

A total of 8,333 restricted stock units vested and were settled into the same number of common shares. Each restricted stock unit represented a contingent right to receive one share of Compass Minerals common stock, according to the accompanying footnote.

How many Compass Minerals (CMP) shares were withheld for taxes and at what price?

2,443 shares of common stock were withheld to satisfy tax withholding obligations. The withholding was valued at a price of $29.69 per share, as disclosed in the non-derivative transaction reported for July 28, 2026.

Were Ashley Ward’s Compass Minerals (CMP) transactions under a Rule 10b5-1 trading plan?

The Form 4 indicates the transactions were not made under a Rule 10b5-1 plan. The document-level 10b5-1 checkbox is not checked, and the footnotes do not describe any pre-arranged trading arrangement for these reported equity awards.

What happened to Ashley Ward’s Compass Minerals (CMP) restricted stock units after vesting?

Upon vesting, 8,333 restricted stock units were converted into common stock and the derivative position was reduced to 0 units. This reflects full settlement of that RSU award as of July 28, 2026, with no remaining units from this grant.

What is Ashley Ward’s role at Compass Minerals (CMP) in this insider filing?

Ashley Ward is identified as Chief Accounting Officer of Compass Minerals International. The reported transactions relate to equity compensation in that executive capacity, specifically restricted stock units that vested and generated common shares with some withheld for tax obligations.

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^*

Ward Ashley

(Last) (First) (Middle)

C/O COMPASS MINERALS

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2026

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	07/28/2026		M		8,333	A	$0	10,168	D
Common Stock	07/28/2026		F		2,443(1)	D	$29.69	7,725	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	(2)	07/28/2026		M			8,333	(3)	07/28/2026	Common Stock	8,333	$0	0	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. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.

3. Restricted stock units vest on July 28, 2026.

Remarks:

	/s/ Jared Campbell, by power of attorney	07/29/2026
	** 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 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)