Entegris SVP sells 6,848 shares after option exercise

ENTEGRIS INC executive Clinton M. Haris, SVP & President of the APS Division, reported an exercise-and-sale transaction in company stock.

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Form Type

Rhea-AI Filing Summary

ENTEGRIS INC executive Clinton M. Haris, SVP & President of the APS Division, reported an exercise-and-sale transaction in company stock. He exercised an employee stock option for 6,848 shares of common stock at $98.11 per share and sold 6,848 shares in an open-market transaction at an average price of $149.23 per share.

The shares were sold pursuant to a pre-established Rule 10b5-1 Trading Plan adopted on February 13, 2026, indicating the trades were pre-planned. Following these transactions, Haris directly owns 54,960.67 shares of Entegris common stock. The option exercised was fully vested and was originally granted under the Entegris, Inc. 2020 Stock Plan as compensation for his employee services.

Insider Trade Summary 10b5-1

Exercise and Sale: 6,848 shares ($350K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Haris Clinton M.

Role SVP & President, APS Division

Sold 6,848 shs ($1.02M)

Approx. gross sale proceeds $1.02M

Approx. exercise cost $672K

Approx. pre-tax spread $350K

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy)	6,848	$0.00	$0.00
Exercise	Common Stock	6,848	$98.11	$672K
Sale	Common Stock	6,848	$149.23	$1.02M

Holdings After Transaction: Employee Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 54,960.67 shares (Direct)

Footnotes (3)

F1. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 13, 2026.
F2. This option is fully vested.
F3. Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Key Figures

Shares sold: 6,848 shares Sale price: $149.23 per share Option exercise size: 6,848 shares +4 more

7 metrics

Shares sold 6,848 shares Open-market sale of common stock on May 27, 2026

Sale price $149.23 per share Average price for 6,848 shares sold

Option exercise size 6,848 shares Employee stock option exercised into common stock

Option exercise price $98.11 per share Conversion or exercise price of employee stock option

Shares owned after transactions 54,960.67 shares Direct ownership of Entegris common stock post-transaction

Rule 10b5-1 plan date February 13, 2026 Date trading plan establishing the sale was adopted

Option expiration date February 19, 2028 Expiration of the employee stock option exercised

Key Terms

Rule 10b5-1 Trading Plan, Employee Stock Option (Right to Buy), Exercise or conversion of derivative security, Entegris, Inc. 2020 Stock Plan, +1 more

5 terms

Rule 10b5-1 Trading Plan regulatory

"These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Employee Stock Option (Right to Buy) financial

"security_title": "Employee Stock Option (Right to Buy)""

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

Entegris, Inc. 2020 Stock Plan financial

"Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services"

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Entegris (ENTG) executive Clinton M. Haris do in this Form 4?

Clinton M. Haris exercised an employee stock option for 6,848 Entegris shares at $98.11 and sold 6,848 shares at $149.23 per share. The filing reflects a routine option exercise paired with an open-market sale.

How many Entegris (ENTG) shares did Clinton M. Haris sell and at what price?

He sold 6,848 shares of Entegris common stock at an average price of $149.23 per share. This was disclosed as an open-market or private transaction under SEC transaction code “S.”

What stock option did Clinton M. Haris exercise in the Entegris (ENTG) Form 4?

He exercised an employee stock option covering 6,848 shares of Entegris common stock at a conversion or exercise price of $98.11 per share. The option was fully vested and scheduled to expire on February 19, 2028.

How many Entegris (ENTG) shares does Clinton M. Haris own after the reported transactions?

After the reported exercise and sale, Clinton M. Haris directly owns 54,960.67 shares of Entegris common stock. This post-transaction share count is disclosed in the Form 4 as his direct beneficial ownership.

Was the Entegris (ENTG) insider sale by Clinton M. Haris part of a 10b5-1 plan?

Yes. The Form 4 footnotes state the 6,848-share sale was made under a Rule 10b5-1 Trading Plan established by Clinton M. Haris on February 13, 2026, indicating the sale was pre-arranged.

What plan granted the option exercised in the Entegris (ENTG) Form 4?

The option exercised by Clinton M. Haris was awarded under the Entegris, Inc. 2020 Stock Plan. According to the footnotes, it was granted in consideration of his services as an employee and was fully vested at the time of exercise.

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Accepted by SEC EDGAR 05/28/2026 - 11:55 AM

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^*

Haris Clinton M.

(Last)

(First)

(Middle)

C/O ENTEGRIS, INC.

129 CONCORD ROAD

(Street)

BILLERICA

MASSACHUSETTS

01821

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/27/2026		M		6,848	A	$98.11	61,808.67	D
Common Stock	05/27/2026		S⁽¹⁾		6,848	D	$149.23	54,960.67	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Employee Stock Option (Right to Buy)	$98.11	05/27/2026		M			6,848	⁽²⁾	02/19/2028	Common Stock	6,848	$0⁽³⁾	0	D

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 13, 2026.

2. This option is fully vested.

3. Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for Clint Haris	05/28/2026
	** 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)

Source: View Original Filing on SEC EDGAR