Entegris Inc. (ENTG) SVP and General Counsel exercises 3,916 options, sells stock

Rhea-AI Filing Summary

Entegris Inc. senior vice president and general counsel Joseph Colella reported an option exercise and same-day sale of common stock. On 2026-08-13, he exercised 3,916 Employee Stock Options awarded under the Entegris, Inc. 2020 Stock Plan at an exercise price of $98.11 per share, converting them into 3,916 shares of common stock. That same day, he sold 3,916 common shares at a weighted average price of $164.48 per share, with individual sale prices ranging from $164.29 to $164.66. The option was fully vested at the time of exercise and was originally granted in consideration of services as an employee.

Insider Trade Summary

Exercise and Sale: 3,916 shares ($260K approx. pre-tax spread)

Exercise and Sale 3 txns

Insider Colella Joseph

Role SVP and General Counsel

Sold 3,916 shs ($644K)

Approx. gross sale proceeds $644K

Approx. exercise cost $384K

Approx. pre-tax spread $260K

Type	Security	Shares	Price	Value
Exercise	Employee Stock Option (Right to Buy) F4, F3	3,916	$0.00	$0.00
Exercise	Common Stock F1	3,916	$98.11	$384K
Sale	Common Stock F2	3,916	$164.48	$644K

Holdings After Transaction: Employee Stock Option (Right to Buy) — 0 shares (Direct); Common Stock — 50,296.89 shares (Direct)

Footnotes (4)

1. F1. These shares include 175.44 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan on June 30, 2026.
2. F2. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.29 to $164.66, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
3. F3. The option is fully vested.
4. F4. Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Key Figures

Options Exercised: 3,916 shares Option Exercise Price: $98.11 per share Shares Sold: 3,916 shares +2 more

5 metrics

Options Exercised 3,916 shares Employee Stock Options exercised on 2026-08-13

Option Exercise Price $98.11 per share Exercise price for 3,916 Employee Stock Options

Shares Sold 3,916 shares Common stock sold on 2026-08-13

Weighted Average Sale Price $164.48 per share Weighted average for 3,916 shares sold, prices $164.29–$164.66

Option Expiration Date 2028-02-19 Expiration date of exercised Employee Stock Option grant

Key Terms

Employee Stock Option (Right to Buy), weighted average price, Entegris, Inc. 2020 Stock Plan

3 terms

Employee Stock Option (Right to Buy) financial

"security_title is listed as Employee Stock Option (Right to Buy)"

weighted average price financial

"The price reported in column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Entegris, Inc. 2020 Stock Plan financial

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

FAQ

What insider transaction did ENTEGRIS INC (ENTG) report for Joseph Colella?

Joseph Colella, SVP and General Counsel, exercised 3,916 stock options and sold 3,916 common shares of Entegris Inc. on 2026-08-13, according to the Form 4 insider trading report.

How many ENTEGRIS INC (ENTG) options did Joseph Colella exercise and at what price?

Joseph Colella exercised 3,916 Employee Stock Options at an exercise price of $98.11 per share. These options were fully vested and converted into an equal number of Entegris common shares before being sold.

At what price did Joseph Colella sell ENTEGRIS INC (ENTG) shares on 2026-08-13?

He sold 3,916 Entegris common shares at a weighted average price of $164.48 per share. The Form 4 notes that the shares were sold in multiple trades between $164.29 and $164.66 per share.

Were Joseph Colella’s ENTEGRIS INC (ENTG) option exercises related to employee compensation?

Yes. The 3,916 options exercised were awarded under the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee, and were fully vested at the time of exercise.

Was Joseph Colella’s ENTEGRIS INC (ENTG) trade under a Rule 10b5-1 plan?

The Form 4 indicates the Rule 10b5-1 checkbox is not marked, and no footnote references a trading plan. The filing therefore does not identify these transactions as executed under a pre-arranged Rule 10b5-1 plan.

What is Joseph Colella’s role at ENTEGRIS INC (ENTG) in this Form 4?

In this Form 4, Joseph Colella is identified as an officer of Entegris Inc., serving as SVP and General Counsel. The reported option exercise and share sale relate to his employee equity compensation.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/14/2026 - 02:04 PM Accepted by SEC EDGAR 08/14/2026 - 02:03 PM 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^*

Colella Joseph

(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 and General Counsel

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/13/2026		M		3,916	A	$98.11	54,212.89(1)	D
Common Stock	08/13/2026		S		3,916	D	$164.48(2)	50,296.89	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)	$98.11	08/13/2026		M			3,916	(3)	02/19/2028	Common Stock	3,916	$0(4)	0	D

Explanation of Responses:

1. These shares include 175.44 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan on June 30, 2026.

2. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $164.29 to $164.66, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

3. The option is fully vested.

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

Remarks:

	/s/ Joseph Colella	08/14/2026
	** 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)