ENTG Section 144: Affiliate Files to Sell 1,592 Shares

ENTG reported a Section 144 notice for proposed sales of Common Stock by an affiliate.

Rhea-AI Filing Summary

ENTG reported a Section 144 notice for proposed sales of Common Stock by an affiliate. The filing lists 1,592 shares as securities to be sold with a restricted stock vesting date of 04/05/2026. It also records a recent sale of 1,580 shares on 02/20/2026 valued at $207,754.20. The filing shows Fidelity Brokerage Services LLC and names Joseph M. Colella.

Key Figures

Shares listed to be sold: 1,592 shares Shares sold in past 3 months: 1,580 shares Value of prior sale: $207,754.20 +3 more

6 metrics

Shares listed to be sold 1,592 shares Securities To Be Sold, vesting date 04/05/2026

Shares sold in past 3 months 1,580 shares Sale dated 02/20/2026 by Joseph M. Colella

Value of prior sale $207,754.20 Proceeds reported for 1,580-share sale on 02/20/2026

Form filing date 04/07/2026 Section 144 notice date

Listed numeric field 152,000,000 Value appearing in the securities information table

Vesting date 04/05/2026 Restricted stock vesting tied to securities to be sold

Key Terms

Form 144, Restricted Stock Vesting, Securities To Be Sold, Securities Sold During The Past 3 Months

4 terms

Form 144 regulatory

"Section 144 notice for proposed sales of Common Stock"

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 | Issuer | 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.

Securities To Be Sold regulatory

"Common | 1592 | 04/05/2026 | Restricted Stock Vesting"

Securities Sold During The Past 3 Months regulatory

"Common | 02/20/2026 | 1,580 | 207754.20"

FAQ

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

What does ENTG's Form 144 disclose about shares to be sold?

The Form 144 shows 1,592 shares of Common Stock listed as securities to be sold, tied to a restricted stock vesting event dated 04/05/2026. The filing is a notice of proposed affiliate sales rather than an executed transaction.

Who is the reporting party on the ENTG Form 144?

The filing identifies Joseph M. Colella and lists Fidelity Brokerage Services LLC as the broker. The document includes Colella's address and broker information for the proposed sale notice dated 04/07/2026.

Does the filing report recent sales of ENTG shares in the past three months?

Yes. The Form 144 records a sale of 1,580 shares on 02/20/2026 with a reported value of $207,754.20. That sale is listed under "Securities Sold During The Past 3 Months."

What is the timing shown in ENTG's Form 144 for the notice?

The notice date on the filing is 04/07/2026 and it references a vesting date of 04/05/2026. These dates mark the Section 144 filing and the restricted stock vesting tied to the proposed sale.

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

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Accepted by SEC EDGAR 04/07/2026 - 10:25 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	0001811061
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	Colella Joseph
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	1592	183987.44	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			1592	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
Joseph M. Colella 129 Concord Road Billerica MA 01821	Common	02/20/2026	1580	207754.20

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	08/08/2025
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/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph M. Colella
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)