Entegris Inc (ENTG) director reports 2,008-share sale of stock by insider

Rhea-AI Filing Summary

Entegris Inc director James P. Lederer reported selling 2,008 shares of Entegris common stock on 12/10/2025 at a price of $92.84. Following this transaction, he beneficially owns 20,434 shares, held directly.

Insider Trade Summary

Net Seller: 2,008 shares

Net Sell 1 txn

Insider LEDERER JAMES P

Role Director

Sold 2,008 shs ($186K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,008	$92.84	$186K

Holdings After Transaction: Common Stock — 20,434 shares (Direct)

FAQ

What insider transaction did Entegris Inc (ENTG) report in this Form 4?

The filing reports that director James P. Lederer sold 2,008 shares of Entegris common stock on 12/10/2025.

At what price did James P. Lederer sell Entegris (ENTG) shares?

James P. Lederer sold the 2,008 shares of Entegris common stock at a reported price of $92.84.

How many Entegris (ENTG) shares does James P. Lederer own after the sale?

After the reported transaction, James P. Lederer beneficially owns 20,434 shares of Entegris common stock, held directly.

What is James P. Lederer’s relationship to Entegris Inc (ENTG)?

James P. Lederer is listed as a director of Entegris Inc in the filing.

Was this Entegris (ENTG) Form 4 filed for one or multiple reporting persons?

The disclosure indicates that the Form was filed by one reporting person, not a group.

Were any derivative securities reported for Entegris (ENTG) in this Form 4?

The section for derivative securities shows no reported transactions, indicating only a sale of common stock was disclosed.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 12/11/2025 - 11:09 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^*

LEDERER JAMES P

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
12/10/2025

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	12/10/2025		S		2,008	D	$92.84	20,434	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:

Remarks:

	/s/ Joseph Collela, Attorney-In-Fact for James P. Lederer	12/11/2025
	** 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.