Entegris (ENTG) SVP Haris exercises options, sells 5,830 shares

Rhea-AI Filing Summary

Entegris, Inc. insider activity: Clinton M. Haris, SVP & President of the APS Division, exercised 5,830 stock options at $55.72 per share on January 21, 2026 and acquired the same number of common shares. On the same day, he sold 5,830 common shares at $120 per share under a pre-established Rule 10b5-1 trading plan dated February 10, 2025. Following these transactions, Haris directly beneficially owned 37,742.67 shares of Entegris common stock and held 5,830 employee stock options that were fully vested and granted under the Entegris, Inc. 2010 Stock Plan.

Insider Trade Summary

Net Seller: 5,830 shares ($699,600)

Net Sell 3 txns

Insider Haris Clinton M.

Role SVP & President, APS Division

Sold 5,830 shs ($700K)

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy)	5,830	$0.00	--
Exercise	Common Stock	5,830	$55.72	$325K
Sale	Common Stock	5,830	$120.00	$700K

Holdings After Transaction: Employee Stock Option (Right to Buy) — 5,830 shares (Direct); Common Stock — 43,572.67 shares (Direct)

Footnotes (1)

1. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025. The option is fully vested. Awarded pursuant to the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of services as an employee.

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).

X

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^*

Haris Clinton M.

(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 & President, APS Division

3. Date of Earliest Transaction (Month/Day/Year)
01/21/2026

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	01/21/2026		M		5,830	A	$55.72	43,572.67	D
Common Stock	01/21/2026		S		5,830(1)	D	$120	37,742.67	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)	$55.72	01/21/2026		M			5,830	(2)	02/19/2027	Common Stock	5,830	$0(3)	5,830	D

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025.

2. The option is fully vested.

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

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for Clint Haris	01/22/2026
	** 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.

FAQ

What insider transactions did ENTEGRIS INC (ENTG) report for Clinton M. Haris?

Clinton M. Haris exercised 5,830 stock options at $55.72 per share and sold 5,830 common shares at $120 per share on January 21, 2026.

Was the ENTEGRIS INC (ENTG) insider sale by Clinton M. Haris under a Rule 10b5-1 plan?

Yes. The sale of 5,830 Entegris common shares was made under a Rule 10b5-1 trading plan that Haris established on February 10, 2025.

How many ENTEGRIS INC (ENTG) shares does Clinton M. Haris own after these transactions?

After the reported transactions, Haris directly beneficially owned 37,742.67 shares of Entegris common stock.

What stock options related to ENTEGRIS INC (ENTG) does Clinton M. Haris hold after the filing?

Haris held 5,830 employee stock options following the transactions, with each option relating to one share of Entegris common stock and noted as fully vested.

What is the role of Clinton M. Haris at ENTEGRIS INC (ENTG)?

Clinton M. Haris serves as SVP & President, APS Division of Entegris, Inc., and is an officer but not a director or 10% owner.

Under which plan were Clinton M. Haris’s ENTEGRIS INC (ENTG) options granted?

The employee stock options were awarded under the Entegris, Inc. 2010 Stock Plan, as amended, in consideration of his services as an employee.