Atmus CFO granted 5,163 RSUs in 2026 award

Atmus Filtration Technologies Inc. reported that Chief Financial Officer Jack Kienzler received a grant of 5,163 restricted stock units as part of Atmus' 2026 annual long-term incentive compensation program.

Rhea-AI Filing Summary

Atmus Filtration Technologies Inc. reported that Chief Financial Officer Jack Kienzler received a grant of 5,163 restricted stock units as part of Atmus' 2026 annual long-term incentive compensation program. The award was granted at no cash cost to him.

The RSUs will vest in three equal tranches, beginning on March 1, 2027, and each vested RSU will convert into one share of Atmus common stock. Following this grant, Kienzler holds a total of 80,936 shares of common stock directly.

Insider Trade Summary

Grant/Award: 5,163 shares

Grant/Award 1 txn

Insider Kienzler Jack

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,163	$0.00	$0.00

Holdings After Transaction: Common Stock — 80,936 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Key Figures

RSUs granted: 5,163 units Grant price per unit: $0.00 per unit Shares after transaction: 80,936 shares +1 more

4 metrics

RSUs granted 5,163 units Restricted stock units granted as 2026 long-term incentive

Grant price per unit $0.00 per unit Reported transaction price for RSU award

Shares after transaction 80,936 shares Total common shares held directly after RSU grant

Vesting start date March 1, 2027 First vesting date for three equal RSU tranches

Key Terms

restricted stock units ("RSUs"), 2022 Omnibus Incentive Plan, long-term incentive compensation program

3 terms

restricted stock units ("RSUs") financial

"Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

2022 Omnibus Incentive Plan financial

"granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan"

long-term incentive compensation program financial

"as part of Atmus' 2026 annual long-term incentive compensation program"

FAQ

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

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

Atmus disclosed that CFO Jack Kienzler received 5,163 restricted stock units as a stock-based compensation award. The grant is part of the company’s 2026 annual long-term incentive program and was reported as an acquisition of common stock-based units, not an open-market purchase.

How many Atmus (ATMU) shares does CFO Jack Kienzler hold after this grant?

After the 5,163 restricted stock unit grant, CFO Jack Kienzler holds 80,936 shares of Atmus common stock directly. This total reflects his position immediately following the reported award and helps show the scale of the grant relative to his existing holdings.

What is the vesting schedule for the 5,163 Atmus (ATMU) RSUs granted to the CFO?

The 5,163 restricted stock units will vest in three equal tranches, beginning on March 1, 2027. Each tranche represents roughly one-third of the award, and each RSU that vests will be settled in one share of Atmus common stock over time.

Are the Atmus (ATMU) RSUs granted to the CFO tied to a specific incentive plan?

Yes. The RSUs were granted under the Atmus Filtration Technologies Inc. 2022 Omnibus Incentive Plan. The award forms part of Atmus’ 2026 annual long-term incentive compensation program, aligning executive pay with future company performance and share value through stock-based compensation.

Does the Atmus (ATMU) CFO pay cash for the 5,163 restricted stock units granted?

No. The 5,163 restricted stock units were granted at a reported price of $0.00 per unit, indicating a compensation award rather than a cash purchase. Value is realized later as the RSUs vest and convert into shares of Atmus common stock.

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

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Accepted by SEC EDGAR 04/02/2026 - 03:31 PM 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

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 TENNESSEE 37214

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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	04/01/2026		A		5,163(1)	A	$0	80,936	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

Explanation of Responses:

1. Represents restricted stock units ("RSUs") granted under the Atmus Filtration Technologies Inc. ("Atmus") 2022 Omnibus Incentive Plan as part of Atmus' 2026 annual long-term incentive compensation program, which RSUs will vest in three equal tranches, beginning on March 1, 2027. Each RSU that vests will be settled with one share of Atmus common stock.

Remarks:

	/s/Tiffany B. Williams, Attorney-In-Fact for Jack Kienzler	04/02/2026
	** 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)