What price per share was used in Jack Kienzler’s Atmus (ATMU) tax-withholding transactions?

Both tax-withholding transactions for Jack Kienzler used a price of $64.53 per Atmus share. This price applied to 16,266 shares tied to vested Performance Share Units and 3,851 shares tied to vested Restricted Share Units from the 2023–2025 equity grant cycle.

Atmus (ATMU) CFO uses 20,117 shares to cover equity award taxes

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Atmus Filtration Technologies Inc. Chief Financial Officer Jack Kienzler reported two tax-related share-withholding transactions involving the company’s common stock. On February 27, 2026, a total of 20,117 shares were withheld at $64.53 per share to satisfy his tax obligations on vesting equity awards.

According to the footnotes, 16,266 shares were withheld upon vesting of Performance Share Units from the 2023–2025 grant cycle, and 3,851 shares were withheld upon vesting of Restricted Share Units from the same cycle. These are non‑open‑market, tax‑withholding dispositions, and Kienzler continues to hold a significant remaining stake directly.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Kienzler Jack

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	16,266	$64.53	$1.05M
Tax Withholding	Common Stock	3,851	$64.53	$249K

Holdings After Transaction: Common Stock — 79,624 shares (Direct)

Footnotes (1)

Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation. Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/03/2026 - 02:05 PM

FAQ

What insider transaction did Atmus (ATMU) report for CFO Jack Kienzler?

Atmus Filtration Technologies CFO Jack Kienzler reported tax-withholding dispositions of common stock. On February 27, 2026, 20,117 shares were withheld at $64.53 per share to cover tax obligations tied to vesting Performance Share Units and Restricted Share Units from the 2023–2025 grant cycle.

How many Atmus (ATMU) shares were withheld for Jack Kienzler’s taxes?

A total of 20,117 Atmus common shares were withheld to cover CFO Jack Kienzler’s tax obligations. This included 16,266 shares from vested Performance Share Units and 3,851 shares from vested Restricted Share Units, all related to the company’s 2023–2025 equity award grant cycle.

Was Jack Kienzler’s Atmus (ATMU) Form 4 a stock sale in the market?

The Form 4 does not show an open-market stock sale by Jack Kienzler. Instead, it reports non-derivative dispositions where 20,117 shares were withheld at $64.53 per share solely to satisfy tax withholding obligations on vested Performance Share Units and Restricted Share Units.

What types of equity awards vested for Atmus (ATMU) CFO Jack Kienzler?

The vested equity awards for CFO Jack Kienzler were Performance Share Units and Restricted Share Units. Shares from both award types, earned in the 2023–2025 grant cycle, were partially withheld—16,266 and 3,851 shares respectively—to cover his related tax withholding 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^*

Kienzler Jack

(Last)

(First)

(Middle)

26 CENTURY BOULEVARD

(Street)

NASHVILLE

37214

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Atmus Filtration Technologies Inc. [ ATMU ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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)
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⁽¹⁾	02/27/2026		F		16,266	D	$64.53	79,624	D
Common Stock⁽²⁾	02/27/2026		F		3,851	D	$64.53	75,773	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)
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)

Explanation of Responses:

1. Reflects shares withheld upon vesting of Performance Share Units earned during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

2. Reflects shares withheld upon vesting of the Restricted Share Units granted during the 2023-2025 grant cycle to pay reporting person's tax withholding obligation.

Remarks:

	/s/Tiffany B. Williams, Attorney-In-Fact for Jack Kienzler	03/03/2026
	** 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.

Source: View Original Filing on SEC EDGAR