ENTG Insider Filing: Reeder Becomes President & CEO, Prior RSUs Forfeited

Rhea-AI Filing Summary

David Reeder, reporting person, filed a Form 4 disclosing a non‑derivative transaction on 08/21/2025 involving Entegris, Inc. (ENTG) common stock. The filing shows a disposal of 2,897 shares (reported as D at $0) which the form explains are unvested restricted stock units granted April 23, 2025 that are being forfeited. The forfeiture is tied to awards granted to Mr. Reeder on 08/18/2025 in connection with his new role as the company's President & CEO. After the reported transaction, Mr. Reeder beneficially owns 58,457 shares in total.

Positive

• Reporting person designated as President & CEO, as stated in the filing
• Beneficial ownership retained: 58,457 shares held following the reported transaction

Negative

• Forfeiture of 2,897 restricted stock units (reported as a disposal at $0)
• Details of the replacement awards granted 08/18/2025 are not disclosed in this Form 4

Insights

Corporate Governance Expert

TL;DR: Director became President & CEO; prior unvested RSUs were forfeited and replaced by new awards dated 08/18/2025.

The Form 4 documents a governance and compensation change rather than an open‑market trade. The filing explicitly states 2,897 restricted stock units granted April 23, 2025 are unvested and were forfeited in conjunction with awards granted 08/18/2025 tied to the individual's new executive role. This indicates a standard internal compensation adjustment on role change. Materiality to shareholders depends on the size of the new awards (not disclosed here) and any associated dilution or service terms, which are not provided in this filing.

Securities Compliance Analyst

TL;DR: Filing reflects an internal award forfeiture (2,897 units) and confirms beneficial ownership of 58,457 shares after the change.

From a Section 16 reporting perspective, the Form 4 properly records a disposal event dated 08/21/2025 and identifies the reporting person as both director and President & CEO. The transaction code and zero price indicate administrative forfeiture rather than an open‑market sale. The form is signed by an attorney‑in‑fact and contains the required explanatory remark about the forfeiture and replacement awards dated 08/18/2025.

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

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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^*

Reeder David

(Last) (First) (Middle)

C/O ENTEGRIS, INC.

129 CONCORD ROAD

(Street)

BILLERICA MA 01821

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENTEGRIS INC [ ENTG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

3. Date of Earliest Transaction (Month/Day/Year)
08/21/2025

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	08/21/2025		D		2,897(1)	D	$0	58,457	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 granted to Mr. Reeder on April 23, 2025 in consideration for his services as an independent director. These restricted stock units, which are unvested, are being forfeited in conjunction with the awards granted to Mr. Reeder on August 18, 2025 in consideration for his new role as the Company's President and CEO.

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for David Reeder	08/21/2025
	** 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 transaction did David Reeder report on Form 4 for ENTG?

The Form 4 reports a disposal of 2,897 shares on 08/21/2025, recorded as a forfeiture of unvested restricted stock units.

Why were the 2,897 restricted stock units forfeited according to the filing?

The filing states the April 23, 2025 restricted stock units were forfeited in conjunction with awards granted on 08/18/2025 related to Mr. Reeder's new role as President & CEO.

How many ENTEGRIS (ENTG) shares does David Reeder beneficially own after the transaction?

After the reported transaction, Mr. Reeder beneficially owns 58,457 shares.

Was the reported disposal an open‑market sale?

No. The disposal is reported at a $0 price and is explained as a forfeiture of unvested restricted stock units, not an open‑market sale.

When were the replacement awards for Mr. Reeder granted?

The filing references awards granted on 08/18/2025 in consideration for his new role as President & CEO.