Compass Minerals' Nichols converts 6,946 stock units

Q: How many CMP shares did Benjamin S. Nichols acquire?

Benjamin S. Nichols acquired 6,946 Compass Minerals common shares on October 15, 2026, in connection with the conversion of 856 and 6,090 restricted stock units.

Q: How many CMP shares were withheld for taxes, and at what price?

1,977 common shares were withheld to satisfy tax-withholding obligations in connection with restricted stock unit vesting and release. The reported price was $22.59 per share.

Q: When do Benjamin S. Nichols's restricted stock units vest?

The restricted stock units vest in three equal annual installments, beginning on the first anniversary of each grant date. One schedule ends October 15, 2026, and the other ends October 15, 2027.

A separate ownership entry lists 249 common shares indirectly held through a 401(k) Plan, based on a statement dated October 31, 2025.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)How Sentiment works

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

How Sentiment works How the balance works

Form Type

Rhea-AI Filing Summary

Compass Minerals International Inc. (CMP) Chief Commercial Officer Benjamin S. Nichols reported conversion of 856 and 6,090 restricted stock units into 6,946 common shares on October 15, 2026. He also had 1,977 common shares withheld to satisfy tax-withholding obligations, at a reported $22.59 per share. The unit schedules call for vesting in three equal annual installments, ending October 15, 2026, and October 15, 2027, respectively.

Insider Trade Summary

6,946 shares exercised/converted

Exercise 5 txns

Insider Nichols Benjamin S.

Role Chief Commercial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit ^{F3, F4}	856	$0.00	$0.00
Exercise	Restricted Stock Unit ^{F3, F5}	6,090	$0.00	$0.00
Exercise	Common Stock	6,946	$0.00	$0.00
Tax Withholding	Common Stock ^F1	1,977	$22.59	$45K
holding	Common Stock ^F2	--	--	--

Holdings After Transaction: Restricted Stock Unit — 6,089 contracts (Direct); Common Stock — 20,957 shares (Direct); Common Stock — 249 shares (Indirect, 401(k) Plan)

Footnotes (5)

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.
F2. The reported number is based on a 401(k) plan statement dated as of October 31, 2025.
F3. Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F4. Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on October 15, 2026.
F5. Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on October 15, 2027

Key Figures

Restricted stock units converted: 856 restricted stock units Restricted stock units converted: 6,090 restricted stock units Common shares acquired: 6,946 shares +3 more

6 metrics

Restricted stock units converted 856 restricted stock units October 15, 2026 transaction

Restricted stock units converted 6,090 restricted stock units October 15, 2026 transaction

Common shares acquired 6,946 shares October 15, 2026

Shares withheld for tax obligations 1,977 shares October 15, 2026

Reported price per share withheld $22.59 per share October 15, 2026

Common shares held indirectly 249 shares Held through a 401(k) Plan; based on a plan statement dated October 31, 2025

Key Terms

Restricted Stock Unit, contingent right, tax withholding obligations, 401(k) Plan

4 terms

Restricted Stock Unit financial

"Each 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.

contingent right financial

"a contingent right to receive one share of Issuer common stock"

tax withholding obligations financial

"withheld to satisfy tax withholding obligations"

401(k) Plan financial

"based on a 401(k) plan statement"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

FAQ

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

How many CMP shares did Benjamin S. Nichols acquire?

Benjamin S. Nichols acquired 6,946 Compass Minerals common shares on October 15, 2026, in connection with the conversion of 856 and 6,090 restricted stock units.

How many CMP shares were withheld for taxes, and at what price?

1,977 common shares were withheld to satisfy tax-withholding obligations in connection with restricted stock unit vesting and release. The reported price was $22.59 per share.

When do Benjamin S. Nichols's restricted stock units vest?

The restricted stock units vest in three equal annual installments, beginning on the first anniversary of each grant date. One schedule ends October 15, 2026, and the other ends October 15, 2027.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google

Available on EDGAR 10/19/2026 - 04:40 PM EDT Accepted by SEC EDGAR 10/19/2026 - 04:39 PM EDT

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^*

Nichols Benjamin S.

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/15/2026		M		6,946	A	$0	22,934	D
Common Stock	10/15/2026		F		1,977⁽¹⁾	D	$22.59	20,957	D
Common Stock								249⁽²⁾	I	401(k) Plan

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Unit	⁽³⁾	10/15/2026		M			856	⁽⁴⁾	10/15/2026	Common Stock	856	$0	0	D
Restricted Stock Unit	⁽³⁾	10/15/2026		M			6,090	⁽⁵⁾	10/15/2027	Common Stock	6,090	$0	6,089	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. The reported number is based on a 401(k) plan statement dated as of October 31, 2025.

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 annual installments, beginning on the first anniversary of the grant date and ending on October 15, 2026.

5. Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on October 15, 2027

Remarks:

	/s/ Jared Campbell, by power of attorney	10/19/2026
	** 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)

Source: View Original Filing on SEC EDGAR