Atmus (NYSE: ATMU) director receives 2,619 RSUs in annual compensation grant

Rhea-AI Filing Summary

TAYLOR STUART A II reported acquisition or exercise transactions in this Form 4 filing.

Atmus Filtration Technologies Inc. director Stuart A. Taylor II received an equity grant in the form of Restricted Share Units. On May 12, 2026, he was awarded 2,619 shares of common stock as part of the 2026-2027 Annual Director Compensation program at no cash cost to him. Following this grant, he directly holds 11,697 shares of Atmus common stock. The RSUs will fully vest on May 12, 2027, or at the next Annual Meeting of Stockholders, whichever occurs first, aligning his compensation more closely with shareholder interests over the coming year.

Insights

Equity compensation analyst

Routine RSU grant increases director’s equity stake modestly.

Director Stuart A. Taylor II received 2,619 Restricted Share Units of Atmus Filtration Technologies Inc. common stock on May 12, 2026 as part of the 2026-2027 Annual Director Compensation program. The grant carries a share price of $0.00 to the director, indicating a compensation award rather than an open-market purchase.

The RSUs fully vest on May 12, 2027 or at the next Annual Meeting of Stockholders, whichever comes first, creating a one-year alignment window. After this grant, Taylor directly holds 11,697 shares, so the award represents a moderate incremental increase rather than a large position change.

This type of equity grant is a standard governance practice to tie director pay to stock performance. Its impact on the overall share float is minimal, and the filing does not indicate any trading plan or immediate sale intentions, making this a routine, low-signal insider event.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider TAYLOR STUART A II

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,619	$0.00	--

Holdings After Transaction: Common Stock — 11,697 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 2,619 shares Price per share: $0.00 per share Shares held after grant: 11,697 shares +3 more

6 metrics

RSUs granted 2,619 shares Restricted Share Units granted May 12, 2026

Price per share $0.00 per share Grant price for RSU award

Shares held after grant 11,697 shares Total direct common stock holdings post-transaction

Transaction code A Grant, award, or other acquisition of common stock

Transaction date May 12, 2026 Date of RSU grant

Vesting date May 12, 2027 RSUs fully vest on this date or next annual meeting

Key Terms

Restricted Share Units, Annual Director Compensation, Form 4, Common Stock, +1 more

5 terms

Restricted Share Units financial

"Reflects Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation."

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

Annual Director Compensation financial

"granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation."

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Common Stock financial

"security_title": "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Grant, award, or other acquisition regulatory

"transaction_code_description": "Grant, award, or other acquisition""

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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^*

TAYLOR STUART A II

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026

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(1)	05/12/2026		A		2,619	A	$0	11,697	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 Restricted Share Units ("RSUs") granted on May 12, 2026, as part of the 2026-2027 Annual Director Compensation. The RSUs fully vest on May 12, 2027, or the next Annual Meeting of Stockholders, whichever comes first.

Remarks:

	/s/Tiffany B. Williams, Attorney-in-Fact for Stuart A. Taylor II	05/13/2026
	** 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)

FAQ

What did Atmus Filtration (ATMU) director Stuart A. Taylor II report on this Form 4?

He reported receiving 2,619 Restricted Share Units of Atmus common stock as part of the 2026-2027 Annual Director Compensation. This award increased his direct holdings to 11,697 shares and represents equity-based compensation rather than an open-market stock purchase.

How many Atmus Filtration (ATMU) shares did director Stuart A. Taylor II receive and hold after the grant?

He received 2,619 shares of Atmus common stock through a grant and held 11,697 shares directly after the transaction. The grant was recorded at a price of $0.00 per share, reflecting an equity compensation award instead of a market transaction.

What type of insider transaction was reported for Atmus Filtration (ATMU) on May 12, 2026?

The transaction was an acquisition via grant, coded “A,” representing a grant, award, or other acquisition of common stock. It involved 2,619 shares of Atmus common stock and is tied to the company’s 2026-2027 Annual Director Compensation program for board members.

When do the Restricted Share Units granted to the Atmus Filtration (ATMU) director vest?

The RSUs fully vest on May 12, 2027, or at the next Annual Meeting of Stockholders, whichever occurs first. This vesting schedule links the director’s compensation to Atmus’s performance and ongoing board service over approximately one year, promoting longer-term alignment.

Was the Atmus Filtration (ATMU) director’s Form 4 transaction an open-market stock purchase or sale?

No, it was not an open-market trade. The filing shows a grant of 2,619 shares at a price of $0.00 per share, categorized as a grant or award acquisition. This represents stock-based compensation rather than a discretionary buy or sell in the open market.

Does the Atmus Filtration (ATMU) Form 4 indicate any remaining derivative securities for the director?

No derivative positions are listed in the derivative summary section of this Form 4. The filing only reports a non-derivative grant of 2,619 common shares and the resulting direct ownership of 11,697 shares after the award was made on May 12, 2026.