Atmus (ATMU) CEO Disher awarded 169,209 performance shares, now holds 439,677

Rhea-AI Filing Summary

Atmus Filtration Technologies Inc.'s Chief Executive Officer and director, Stephanie Disher, reported an acquisition of company stock through an equity award. On February 13, 2026, she received 169,209 shares of common stock at $0 per share, described as a grant, award, or other acquisition.

These shares were earned based on performance metrics tied to a 2023 Performance Share Unit (PSU) award, which cliff vests on March 1, 2026 and converts into common stock on a 1:1 basis. Following this award, Disher directly holds 439,677 shares of Atmus common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Disher Stephanie

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	169,209	$0.00	--

Holdings After Transaction: Common Stock — 439,677 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^*

Disher Stephanie

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/13/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/13/2026		A		169,209(1)	A	$0	439,677	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. Reflects shares earned based on achievement of performance metrics of the 2023 Performance Share Unit Award ("PSU") that cliff vest on March 1, 2026. The PSUs will convert 1:1 into common stock.

Remarks:

	/s/Tiffany B. Williams, Attorney-in-Fact for Stephanie Disher	02/17/2026
	** 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.

FAQ

What insider transaction did Atmus (ATMU) report for CEO Stephanie Disher?

Atmus reported that CEO Stephanie Disher acquired 169,209 shares of common stock via an award on February 13, 2026. The shares were granted at $0 per share as part of her equity compensation tied to a performance share unit award.

How many Atmus (ATMU) shares does CEO Stephanie Disher own after this Form 4?

After the reported transaction, CEO Stephanie Disher directly owns 439,677 shares of Atmus common stock. This figure reflects her holdings following the grant of 169,209 performance-based shares reported in the February 13, 2026 Form 4 filing.

What is the origin of the 169,209 Atmus (ATMU) shares reported in this Form 4?

The 169,209 shares reflect shares earned under a 2023 Performance Share Unit (PSU) award based on achieving specified performance metrics. According to the filing, these PSUs will cliff vest on March 1, 2026 and then convert into common stock on a 1:1 basis.

At what price were the 169,209 Atmus (ATMU) shares acquired by the CEO?

The 169,209 shares of Atmus common stock reported in the Form 4 were acquired at $0 per share. This indicates the transaction was a stock grant or equity award rather than an open-market purchase, consistent with performance-based compensation.

What does the 2023 PSU award mean for Atmus (ATMU) CEO’s equity compensation?

The 2023 Performance Share Unit award grants shares only if performance metrics are achieved. For CEO Stephanie Disher, 169,209 PSUs were earned and will cliff vest on March 1, 2026, then convert 1:1 into Atmus common stock according to the filing.

Is the February 13, 2026 Atmus (ATMU) CEO transaction a buy or an award?

The Form 4 classifies the February 13, 2026 transaction as a grant, award, or other acquisition, not an open-market purchase. CEO Stephanie Disher received 169,209 shares at $0 per share, tied to performance under a 2023 Performance Share Unit award.