ENTG insider filing: vested option and same‑day 8,858‑share trades by Susan G. Rice

Rhea-AI Filing Summary

Susan G. Rice, identified as SVP, Global Human Resources of Entegris Inc. (ENTG), reported transactions dated 08/13/2025 on a Form 4. The filing lists a non-derivative acquisition of 8,858 common shares at $33.33 and a non-derivative disposition of 8,858 common shares at $79.84, with reported direct beneficial ownership levels shown as 65,770.004 and 56,912.004 shares in the respective lines of the form.

The filing also discloses an Employee Stock Option with a $33.33 conversion/exercise price tied to 8,858 underlying shares, notes that the option is fully vested, and states the award was made under the Entegris, Inc. 2010 Stock Plan. The Form 4 was signed on behalf of the reporting person by an attorney-in-fact on 08/14/2025.

Insights

Securities Analyst

TL;DR: Insider reported paired share acquisition and sale plus a vested option; reported beneficial ownership figures changed.

The Form 4 records same‑date transactions on 08/13/2025 involving 8,858 shares in both an acquisition line (price $33.33) and a disposition line (price $79.84). The filing also ties an Employee Stock Option (conversion/exercise price $33.33) to 8,858 underlying shares and explicitly states the option is fully vested under the 2010 Stock Plan. For investors, the item provides transparent disclosure of equity movements and current reported direct ownership levels (65,770.004 and 56,912.004 as shown).

Corporate Governance Expert

TL;DR: Form 4 documents vested option-related activity and shows compliance with Section 16 reporting requirements.

The filing includes both non‑derivative and derivative rows and an explicit explanation that the option is fully vested and was awarded pursuant to the Entegris, Inc. 2010 Stock Plan. The form is executed by an attorney‑in‑fact and dated 08/14/2025, satisfying signature disclosure. The record provides clear auditability of the reporting person’s equity holdings and the plan basis for the award.

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
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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^*

Rice Susan G.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Global Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

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	08/13/2025		M		8,858	A	$33.33	65,770.004	D
Common Stock	08/13/2025		S		8,858	D	$79.84	56,912.004	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
Employee Stock Option (Right to Buy)	$33.33	08/13/2025		M			8,858	(1)	02/19/2026	Common Stock	8,858	$0(2)	0	D

Explanation of Responses:

1. The option is fully vested.

2. Awarded pursuant to the Entegris, Inc. 2010 Stock Plan in consideration of services as an employee.

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for Susan G. Rice	08/14/2025
	** 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 transactions did Susan G. Rice report on the Form 4 for ENTG?

The Form 4 reports a non‑derivative acquisition of 8,858 common shares at $33.33 and a non‑derivative sale of 8,858 common shares at $79.84, both dated 08/13/2025.

How many shares does the filing show as beneficially owned after the reported transactions?

The filing shows reported direct beneficial ownership figures of 65,770.004 and 56,912.004 shares in the respective lines following the transactions.

Was the reported stock option vested and under which plan was it awarded?

Yes. The filing states the option is fully vested and was awarded pursuant to the Entegris, Inc. 2010 Stock Plan.

What is the exercise/conversion price and underlying share count for the option disclosed?

The Employee Stock Option lists a conversion/exercise price of $33.33 and is tied to 8,858 underlying common shares; a date exercisable of 02/19/2026 is also shown in the derivative table.

Who signed the Form 4 and when was it signed?

The Form 4 is signed by Joseph Colella, Attorney‑in‑Fact for Susan G. Rice and dated 08/14/2025.