Atmus SVP awarded 21,152 performance shares

Atmus Filtration Technologies Inc. reported that Senior Vice President Charles Masters acquired 21,152 shares of common stock on February 13, 2026 through a performance-based equity award.

Rhea-AI Filing Summary

Atmus Filtration Technologies Inc. reported that Senior Vice President Charles Masters acquired 21,152 shares of common stock on February 13, 2026 through a performance-based equity award. The shares were earned under a 2023 Performance Share Unit (PSU) award tied to achievement of specific performance metrics.

The PSUs cliff vest on March 1, 2026 and convert into common stock on a 1-for-1 basis. Following this award, Masters directly beneficially owns 53,516 shares of Atmus Filtration Technologies common stock.

Insider Trade Summary

Grant/Award: 21,152 shares

Grant/Award 1 txn

Insider Masters Charles

Role Senior Vice President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	21,152	$0.00	$0.00

Holdings After Transaction: Common Stock — 53,516 shares (Direct)

Footnotes (1)

1. F1. 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.

FAQ

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

What insider transaction did ATMU report for Charles Masters?

Atmus Filtration Technologies reported that Senior Vice President Charles Masters acquired 21,152 shares of common stock. The acquisition was a grant based on performance metrics from a 2023 Performance Share Unit award, rather than an open-market purchase or sale.

How many Atmus (ATMU) shares does Charles Masters own after this Form 4?

After the reported transaction, Charles Masters beneficially owns 53,516 shares of Atmus common stock directly. This total reflects the addition of 21,152 shares earned under a performance share unit award tied to the company’s 2023 performance metrics.

Was the ATMU insider transaction a buy or a grant of shares?

The Atmus transaction was a grant or award of shares, not an open-market purchase. Charles Masters received 21,152 common shares at a price of $0.00 per share, reflecting shares earned under a 2023 performance share unit award based on performance achievements.

What are the terms of the 2023 PSU award mentioned in the ATMU Form 4?

The 2023 Performance Share Unit award for Atmus converts into common stock on a 1:1 basis. Shares were earned based on achievement of specified performance metrics, with the PSUs scheduled to cliff vest on March 1, 2026 before converting into common shares.

What role does Charles Masters hold at Atmus Filtration Technologies (ATMU)?

Charles Masters is an officer of Atmus Filtration Technologies, serving as Senior Vice President. His Form 4 filing reports a performance-based equity award of 21,152 common shares and shows direct beneficial ownership of 53,516 Atmus common shares following the transaction.

On what date did the ATMU insider equity award to Charles Masters occur?

The equity award to Charles Masters was effective on February 13, 2026. On that date, he acquired 21,152 shares of Atmus common stock at a stated price of $0.00 per share, earned under a 2023 performance share unit award linked to performance criteria.

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

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Accepted by SEC EDGAR 02/17/2026 - 09:40 AM 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^*

Masters Charles

(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)
	Senior Vice President

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		21,152(1)	A	$0	53,516	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 Charles Masters	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.