ENTG insider files Form 144 to sell shares

ENTG filed a Form 144 reporting a proposed sale of Common stock under Rule 144.

Rhea-AI Filing Summary

ENTG filed a Form 144 reporting a proposed sale of Common stock under Rule 144. The notice lists a restricted stock vesting on 04/05/2026 involving 275 shares and records a prior sale of 1,664 shares by Olivier Blachier on 02/20/2026.

Insights

Insider Transactions Analyst

Form 144 lists a planned resale and recent small open‑market activity.

The filing documents a Rule 144 notice for Common stock and records a restricted stock vesting of 275 shares on 04/05/2026, plus a prior disposition of 1,664 shares on 02/20/2026 by Olivier Blachier.

Cash‑flow treatment and aggregate proceeds are not shown in the excerpt; subsequent brokerage confirmations or Form 4/5 entries could provide final sale amounts and remaining holdings.

Key Figures

Form type: Form 144 Vested shares: 275 shares Prior sale: 1,664 shares +2 more

5 metrics

Form type Form 144 Rule 144 resale notice

Vested shares 275 shares Restricted stock vesting on 04/05/2026

Prior sale 1,664 shares Sold by Olivier Blachier on 02/20/2026

Filing/processing date 04/07/2026 Date shown in the excerpt

Exchange NASDAQ Market listed on the notice

Key Terms

Form 144, Restricted Stock Vesting, Issuer

3 terms

Form 144 regulatory

"reported a Form 144 notifying the proposed sale"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting on 04/05/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Issuer financial

"Restricted Stock Vesting | Issuer | Compensation"

FAQ

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

What does ENTG's Form 144 report?

The filing notifies a proposed resale of Common stock under Rule 144. It lists a restricted stock vesting of 275 shares on 04/05/2026 and a prior sale of 1,664 shares on 02/20/2026 by Olivier Blachier.

Who sold shares recently according to the Form 144 for ENTG?

The excerpt shows Olivier Blachier disposed of 1,664 shares on 02/20/2026. The filing also records a restricted stock vesting of 275 shares on 04/05/2026 attributed to issuer compensation.

What dates are shown on ENTG's Form 144?

Key dates in the excerpt are the restricted stock vesting on 04/05/2026, a prior sale on 02/20/2026, and a filing or processing date of 04/07/2026; NASDAQ is listed as the market.

How many shares vested under the restricted stock event in ENTG's filing?

The filing records a restricted stock vesting event involving 275 shares on 04/05/2026, categorized as issuer compensation in the excerpt.

Does the Form 144 excerpt show proceeds or prices for ENTG transactions?

The provided excerpt does not list dollar proceeds or per‑share prices. It records share counts and dates but does not include sale prices or aggregate proceeds in the visible lines.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/07/2026 - 10:29 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001891661
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ENTEGRIS INC
SEC File Number	001-32598
Address of Issuer	129 CONCORD ROAD BILLERICA MASSACHUSETTS 01821
Phone	9784366500
Name of Person for Whose Account the Securities are To Be Sold	Blachier Olivier
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	275	31781.75	152000000	04/07/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	04/05/2026	Restricted Stock Vesting	Issuer			275	04/05/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Olivier Blachier 129 Concord Road Billerica MA 01821	Common	02/20/2026	1664	218799.36

144: Remarks and Signature

Remarks
Date of Notice	04/07/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	02/21/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Olivier Blachier
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)