ENTEGRIS INC (ENTG)

Data as of Aug 19, 2026, from SEC Form 4 filings.

Net insider selling (90d)Watch ENTG

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Latest ENTG insider trades

Olivier Blachier - Officer
Open-market sale$321K
Aug 14, 2026
Joseph Colella - Officer
Open-market sale$644K

About ENTEGRIS INC (ENTG)

ENTEGRIS INC files with the SEC under CIK 0001101302 and is classified as plastics products, nec. We track it alongside the rest of the Materials sector.

Sector: Materials

SEC filings for ENTG on EDGAR

ENTG Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	3	7,978	$1.27M
Grant or award	1	1,329
Option exercise	4	11,832

ENTG insider transactions (Form 4)

104 Form 4 filings on record, the earliest from Oct 2, 2024, newest first. Filing history page 1 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Aug 18, 2026	David Reeder - Officer	Tax withholding / forfeiture	Common Stock	5,386^{footnote F1}	$150.27	$809K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Aug 14, 2026	Olivier Blachier - Officer	Option exercise	Employee Stock Option (Right to Buy)	2,000	$0.00^{footnote F4}	-
Aug 14, 2026	Olivier Blachier - Officer	Option exercise	Common Stock	2,000	$80.71	$161K
Aug 14, 2026	Olivier Blachier - Officer	Open-market sale	Common Stock	2,000^{footnote F2}	$160.66	$321K
Footnote F2 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on May 14, 2026. Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
Aug 13, 2026	Joseph Colella - Officer	Option exercise	Common Stock	3,916	$98.11	$384K
Aug 13, 2026	Joseph Colella - Officer	Open-market sale	Common Stock	3,916	$164.48^{footnote F2}	$644K
Aug 13, 2026	Joseph Colella - Officer	Option exercise	Employee Stock Option (Right to Buy)	3,916	$0.00^{footnote F4}	-
Footnote F2 (price): 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… Full note on SEC EDGAR Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
Aug 11, 2026	Susan G. Rice - Officer	Open-market sale	Common Stock	2,062	$149.52	$308K
Aug 3, 2026	Robert A. Bruggeworth - Director	Grant or award	Common Stock	1,329^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on August 3, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
Jun 3, 2026	James P. Lederer - Director	Open-market sale	Common Stock	3,569	$143.59	$512K
May 27, 2026	Clinton M. Haris - Officer	Option exercise	Common Stock	6,848	$98.11	$672K
May 27, 2026	Clinton M. Haris - Officer	Open-market sale	Common Stock	6,848	$149.23	$1.02M
May 27, 2026	Clinton M. Haris - Officer	Option exercise	Employee Stock Option (Right to Buy)	6,848	$0.00^{footnote F3}	-
Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 18, 2026	Sukhi Nagesh - Officer	Grant or award	Common Stock	8,254^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The RSUs vest as follows: 25% of the RSUs vest on May 18, 2027, and the remaining 75% of the RSUs vest in equal quarterly installments over the three year period thereafter. Footnote F2 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 15, 2026	Susan G. Rice - Officer	Option exercise	Common Stock	12,960	$55.72	$722K
May 15, 2026	Susan G. Rice - Officer	Open-market sale	Common Stock	6,933	$133.01^{footnote F1}	$922K
May 15, 2026	Susan G. Rice - Officer	Open-market sale	Common Stock	12,960	$132.75^{footnote F2}	$1.72M
May 15, 2026	Susan G. Rice - Officer	Option exercise	Employee Stock Option (Right to Buy)	12,960	$0.00^{footnote F4}	-
Footnote F1 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.01 to $133.05, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.71 to $132.96, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 14, 2026	Olivier Blachier - Officer	Option exercise	Common Stock	2,000	$80.71	$161K
May 14, 2026	Olivier Blachier - Officer	Open-market sale	Common Stock	2,000	$140.04^{footnote F1}	$280K
May 14, 2026	Olivier Blachier - Officer	Option exercise	Employee Stock Option (Right to Buy)	2,000	$0.00^{footnote F3}	-
Footnote F1 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $140.18, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 14, 2026	Joseph Colella - Officer	Option exercise	Common Stock	3,916	$98.11	$384K
May 14, 2026	Joseph Colella - Officer	Open-market sale	Common Stock	3,916	$140.25	$549K
May 14, 2026	Joseph Colella - Officer	Option exercise	Common Stock	2,410	$80.71	$195K
May 14, 2026	Joseph Colella - Officer	Open-market sale	Common Stock	2,410	$140.04	$337K
May 14, 2026	Joseph Colella - Officer	Option exercise	Employee Stock Option (Right to Buy)	3,916	$0.00^{footnote F2}	-
May 14, 2026	Joseph Colella - Officer	Option exercise	Employee Stock Option (Right to Buy)	2,410	$0.00^{footnote F2}	-
Footnote F2 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 14, 2026	Clinton M. Haris - Officer	Option exercise	Common Stock	5,830	$55.72	$325K
May 14, 2026	Clinton M. Haris - Officer	Open-market sale	Common Stock	5,830	$144.57	$843K
May 14, 2026	Clinton M. Haris - Officer	Option exercise	Employee Stock Option (Right to Buy)	5,830	$0.00^{footnote F3}	-
Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
May 6, 2026	Azita Saleki-Gerhardt - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
May 6, 2026	James P. Lederer - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
May 6, 2026	James Gentilcore - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
May 6, 2026	Mary G. Puma - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
May 6, 2026	Rodney Clark - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
May 6, 2026	Yvette Kanouff - Director	Grant or award	Common Stock	1,412^{footnote F1}	$0.00^{footnote F2}	-
Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders. Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.
Apr 17, 2026	Bertrand Loy - Officer	Option exercise	Common Stock	44,138	$98.11	$4.33M
Apr 17, 2026	Bertrand Loy - Officer	Open-market sale	Common Stock	44,138^{footnote F1}	$144.41^{footnote F2}	$6.37M
Apr 17, 2026	Bertrand Loy - Officer	Option exercise	Employee Stock Option (Right to Buy)	44,138	$0.00^{footnote F4}	-
Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025. Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $146.46, inclusive. The Reporting Person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
Apr 14, 2026	Bertrand Loy - Officer	Option exercise	Common Stock	17,396	$98.11	$1.71M
Apr 14, 2026	Bertrand Loy - Officer	Open-market sale	Common Stock	17,396^{footnote F1}	$140.22^{footnote F2}	$2.44M
Apr 14, 2026	Bertrand Loy - Officer	Option exercise	Employee Stock Option (Right to Buy)	17,396	$0.00^{footnote F4}	-
Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025. Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $140.74, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.
Apr 7, 2026	Olivier Blachier - Officer	Open-market sale	Common Stock	275^{footnote F1}	$115.57	$32K
Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 21, 2025.
Apr 7, 2026	Joseph Colella - Officer	Open-market sale	Common Stock	1,592^{footnote F1}	$115.57	$184K
Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on August 8, 2025.
Apr 5, 2026	Bertrand Loy - Officer	Tax withholding / forfeiture	Common Stock	9,868^{footnote F1}	$116.40^{footnote F2}	$1.15M
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.
Apr 5, 2026	Joseph Colella - Officer	Tax withholding / forfeiture	Common Stock	1,493^{footnote F1}	$116.40^{footnote F2}	$174K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.
Apr 5, 2026	Olivier Blachier - Officer	Tax withholding / forfeiture	Common Stock	643^{footnote F1}	$116.40^{footnote F2}	$75K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.
Apr 5, 2026	Clinton M. Haris - Officer	Tax withholding / forfeiture	Common Stock	1,290^{footnote F1}	$116.40^{footnote F2}	$150K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.
Apr 5, 2026	Michael Sauer - Officer	Tax withholding / forfeiture	Common Stock	316^{footnote F1}	$116.40^{footnote F2}	$37K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.
Apr 5, 2026	Susan G. Rice - Officer	Tax withholding / forfeiture	Common Stock	1,422^{footnote F1}	$116.40^{footnote F2}	$166K
Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations. Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Recent ENTG Form 8-K filings

Read ENTG company news

Oct 14, 2026Item 8.01, 9.01

Read the filing on SEC EDGAR

Aug 4, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Jul 29, 2026Item 5.02

Read the filing on SEC EDGAR

Jul 15, 2026Item 8.01

Read the filing on SEC EDGAR

Recent ENTG Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Aug 14, 2026	Blachier Olivier	Officer	2,000	$321K	View on EDGAR
Aug 13, 2026	Colella Joseph	Officer	3,916	$644K

Congress trades in ENTG

All congress trades

Stock trades in ENTG disclosed by members of the U.S. House in the last 12 months, newest first. Values are the ranges as filed.

Member	Type	Traded	Disclosed	Value range	Owner	Days to disclose	Filing
April McClain DelaneyDemocrat, MD-06	Sale

ENTG insider trading FAQ

What is the latest insider trade for ENTG?

ENTEGRIS INC (ENTG) had 6 insider filings in the last 90 days, with the most recent on 2026-08-19. The full record for ENTG runs to 104 Form 4 filings, the earliest from 2024-10-02. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying ENTG stock?

No insider purchases of ENTG were filed in the last 90 days.

How many insiders are selling ENTG stock?

3 insider sales of ENTG were filed in the last 90 days, totaling $1.27M.

Where can I see ENTG SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects ENTG Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Materials companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Aug 19, 2026 - David Reeder view on EDGAR
Aug 17, 2026 - Olivier Blachier view on EDGAR
Aug 14, 2026 - Joseph Colella view on EDGAR
Aug 12, 2026 - Susan G. Rice view on EDGAR
Aug 4, 2026 - Bertrand Loy view on EDGAR
Aug 4, 2026 - Robert A. Bruggeworth view on EDGAR
Jun 4, 2026 - Daniel D. Woodland view on EDGAR
Jun 4, 2026 - James P. Lederer view on EDGAR
May 28, 2026 - Clinton M. Haris view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Materials: Where ENTG's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

7,978

$1.27M

Grant or award

1,329

Option exercise

11,832

Date

Insider

Transaction

Security

Price

Value

Aug 18, 2026

David Reeder - Officer

Tax withholding / forfeiture

Common Stock

5,386^{footnote F1}

$150.27

$809K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.

Aug 14, 2026

Olivier Blachier - Officer

Option exercise

Employee Stock Option (Right to Buy)

2,000

$0.00^{footnote F4}

Aug 14, 2026

Olivier Blachier - Officer

Option exercise

Common Stock

2,000

$80.71

$161K

Aug 14, 2026

Olivier Blachier - Officer

Open-market sale

Common Stock

2,000^{footnote F2}

$160.66

$321K

Footnote F2 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on May 14, 2026.
Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Aug 13, 2026

Joseph Colella - Officer

Option exercise

Common Stock

3,916

$98.11

$384K

Aug 13, 2026

Joseph Colella - Officer

Open-market sale

Common Stock

3,916

$164.48^{footnote F2}

$644K

Aug 13, 2026

Joseph Colella - Officer

Option exercise

Employee Stock Option (Right to Buy)

3,916

$0.00^{footnote F4}

Footnote F2 (price): 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… Full note on SEC EDGAR
Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Aug 11, 2026

Susan G. Rice - Officer

Open-market sale

Common Stock

2,062

$149.52

$308K

Aug 3, 2026

Robert A. Bruggeworth - Director

Grant or award

Common Stock

1,329^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on August 3, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

Jun 3, 2026

James P. Lederer - Director

Open-market sale

Common Stock

3,569

$143.59

$512K

May 27, 2026

Clinton M. Haris - Officer

Option exercise

Common Stock

6,848

$98.11

$672K

May 27, 2026

Clinton M. Haris - Officer

Open-market sale

Common Stock

6,848

$149.23

$1.02M

May 27, 2026

Clinton M. Haris - Officer

Option exercise

Employee Stock Option (Right to Buy)

6,848

$0.00^{footnote F3}

Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 18, 2026

Sukhi Nagesh - Officer

Grant or award

Common Stock

8,254^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The RSUs vest as follows: 25% of the RSUs vest on May 18, 2027, and the remaining 75% of the RSUs vest in equal quarterly installments over the three year period thereafter.
Footnote F2 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 15, 2026

Susan G. Rice - Officer

Option exercise

Common Stock

12,960

$55.72

$722K

May 15, 2026

Susan G. Rice - Officer

Open-market sale

Common Stock

6,933

$133.01^{footnote F1}

$922K

May 15, 2026

Susan G. Rice - Officer

Open-market sale

Common Stock

12,960

$132.75^{footnote F2}

$1.72M

May 15, 2026

Susan G. Rice - Officer

Option exercise

Employee Stock Option (Right to Buy)

12,960

$0.00^{footnote F4}

Footnote F1 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.01 to $133.05, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR
Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $132.71 to $132.96, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 14, 2026

Olivier Blachier - Officer

Option exercise

Common Stock

2,000

$80.71

$161K

May 14, 2026

Olivier Blachier - Officer

Open-market sale

Common Stock

2,000

$140.04^{footnote F1}

$280K

May 14, 2026

Olivier Blachier - Officer

Option exercise

Employee Stock Option (Right to Buy)

2,000

$0.00^{footnote F3}

Footnote F1 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $140.18, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 14, 2026

Joseph Colella - Officer

Option exercise

Common Stock

3,916

$98.11

$384K

May 14, 2026

Joseph Colella - Officer

Open-market sale

Common Stock

3,916

$140.25

$549K

May 14, 2026

Joseph Colella - Officer

Option exercise

Common Stock

2,410

$80.71

$195K

May 14, 2026

Joseph Colella - Officer

Open-market sale

Common Stock

2,410

$140.04

$337K

May 14, 2026

Joseph Colella - Officer

Option exercise

Employee Stock Option (Right to Buy)

3,916

$0.00^{footnote F2}

May 14, 2026

Joseph Colella - Officer

Option exercise

Employee Stock Option (Right to Buy)

2,410

$0.00^{footnote F2}

Footnote F2 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 14, 2026

Clinton M. Haris - Officer

Option exercise

Common Stock

5,830

$55.72

$325K

May 14, 2026

Clinton M. Haris - Officer

Open-market sale

Common Stock

5,830

$144.57

$843K

May 14, 2026

Clinton M. Haris - Officer

Option exercise

Employee Stock Option (Right to Buy)

5,830

$0.00^{footnote F3}

Footnote F3 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

May 6, 2026

Azita Saleki-Gerhardt - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

May 6, 2026

James P. Lederer - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

May 6, 2026

James Gentilcore - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

May 6, 2026

Mary G. Puma - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

May 6, 2026

Rodney Clark - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

May 6, 2026

Yvette Kanouff - Director

Grant or award

Common Stock

1,412^{footnote F1}

$0.00^{footnote F2}

Footnote F1 (shares): These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
Footnote F2 (price): These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

Apr 17, 2026

Bertrand Loy - Officer

Option exercise

Common Stock

44,138

$98.11

$4.33M

Apr 17, 2026

Bertrand Loy - Officer

Open-market sale

Common Stock

44,138^{footnote F1}

$144.41^{footnote F2}

$6.37M

Apr 17, 2026

Bertrand Loy - Officer

Option exercise

Employee Stock Option (Right to Buy)

44,138

$0.00^{footnote F4}

Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025.
Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $146.46, inclusive. The Reporting Person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Apr 14, 2026

Bertrand Loy - Officer

Option exercise

Common Stock

17,396

$98.11

$1.71M

Apr 14, 2026

Bertrand Loy - Officer

Open-market sale

Common Stock

17,396^{footnote F1}

$140.22^{footnote F2}

$2.44M

Apr 14, 2026

Bertrand Loy - Officer

Option exercise

Employee Stock Option (Right to Buy)

17,396

$0.00^{footnote F4}

Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025.
Footnote F2 (price): The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $140.74, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Apr 7, 2026

Olivier Blachier - Officer

Open-market sale

Common Stock

275^{footnote F1}

$115.57

$32K

Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 21, 2025.

Apr 7, 2026

Joseph Colella - Officer

Open-market sale

Common Stock

1,592^{footnote F1}

$115.57

$184K

Footnote F1 (shares): These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on August 8, 2025.

Apr 5, 2026

Bertrand Loy - Officer

Tax withholding / forfeiture

Common Stock

9,868^{footnote F1}

$116.40^{footnote F2}

$1.15M

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Apr 5, 2026

Joseph Colella - Officer

Tax withholding / forfeiture

Common Stock

1,493^{footnote F1}

$116.40^{footnote F2}

$174K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Apr 5, 2026

Olivier Blachier - Officer

Tax withholding / forfeiture

Common Stock

643^{footnote F1}

$116.40^{footnote F2}

$75K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Apr 5, 2026

Clinton M. Haris - Officer

Tax withholding / forfeiture

Common Stock

1,290^{footnote F1}

$116.40^{footnote F2}

$150K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Apr 5, 2026

Michael Sauer - Officer

Tax withholding / forfeiture

Common Stock

316^{footnote F1}

$116.40^{footnote F2}

$37K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Apr 5, 2026

Susan G. Rice - Officer

Tax withholding / forfeiture

Common Stock

1,422^{footnote F1}

$116.40^{footnote F2}

$166K

Footnote F1 (shares): Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.
Footnote F2 (price): Because the shares vested on Sunday, April 5, the price stated above is the closing price per share of Entegris common stock on Thursday, April 2nd, the last trading day immediately prior to the vesting date.

Filed

Filer

Relationship

Market value

Notice

Aug 14, 2026

Blachier Olivier

Officer

2,000

$321K

View on EDGAR

Aug 13, 2026

Colella Joseph

Officer

3,916

$644K

Member	Type	Traded	Disclosed	Value range	Owner	Days to disclose	Filing
April McClain DelaneyDemocrat, MD-06	Sale

Member

Type

Traded

Disclosed

Value range

Owner

Days to disclose

Filing

April McClain DelaneyDemocrat, MD-06

Sale