Atmus (ATMU) Insider Report: CPO Renee Swan Withholds Shares for Taxes

Rhea-AI Filing Summary

Renee Swan, Chief People Officer of Atmus Filtration Technologies (ATMU), reported a transaction on 08/14/2025. The filing shows 5,007 shares were disposed at a price of $45.18 per share, leaving the reporting person with 44,637 shares beneficially owned. The explanation states the shares were withheld to cover tax withholding related to the vesting of an August 14, 2023 Restricted Stock Unit award, indicating this was not a market sale for cash proceeds beyond tax obligations. The form was signed on 08/15/2025 by an attorney-in-fact.

Insights

Corporate Governance Expert

TL;DR: Routine insider tax-withholding disposition; not necessarily a signal of change in company outlook.

The reported disposition of 5,007 shares appears to be a standard tax-withholding event following RSU vesting rather than an open-market sale for discretionary liquidity. That context reduces potential negative governance or signaling concerns because withholding to satisfy tax obligations is common and typically pre-authorized or administratively required. The remaining beneficial ownership (44,637 shares) keeps the reporting officer materially invested, which aligns with retention incentives. No additional related-party transactions or new plans are disclosed in this filing.

Securities Analyst

TL;DR: Transaction is operationally routine; impact on float and valuation is likely immaterial.

The disposal of 5,007 shares at $45.18 reduces the officer's holdings but represents a one-off withholding event tied to prior RSU vesting. Without further information on total shares outstanding or recent insider trading patterns, this trade alone is unlikely to change supply-demand dynamics or signal material insider view shifts. Investors may note the price at which withholding occurred ($45.18) for comparison to recent market prices, but the filing contains no evidence of discretionary selling pressure or new compensation arrangements.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Swan Renee

Role Chief People Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	5,007	$45.18	$226K

Holdings After Transaction: Common Stock — 44,637 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Swan Renee

(Last) (First) (Middle)

26 CENTURY BOULEVARD

(Street)

NASHVILLE TN 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 People Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock(1)	08/14/2025		F		5,007	D	$45.18	44,637	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. Shares withheld to pay the reporting person's tax withholding obligation upon vesting of a portion of August 14, 2023 Restricted Stock Unit Award.

Remarks:

	/s/Tiffany B. Williams, Attorney-In-Fact for Renee Swan	08/15/2025
	** 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.

FAQ

What did Renee Swan (ATMU) report on Form 4?

The filing reports the disposition of 5,007 shares on 08/14/2025 at $45.18 per share, leaving 44,637 shares beneficially owned.

Why were 5,007 shares disposed according to the Form 4?

The filing states the shares were withheld to satisfy tax withholding obligations upon vesting of a portion of an August 14, 2023 Restricted Stock Unit award.

What is Renee Swan's role at Atmus Filtration Technologies (ATMU)?

The Form 4 lists Renee Swan as Chief People Officer and an officer of the issuer.

When was the Form 4 signed and by whom?

The form was signed on 08/15/2025 by Tiffany B. Williams, Attorney-In-Fact for Renee Swan.

Does the Form 4 indicate an open-market sale for cash?

No. The explanation specifies the disposition was for tax withholding related to RSU vesting, not a discretionary open-market sale.