entg-20240905

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

________________________________________

FORM 8-K/A

(Amendment No. 1)

________________________________________

CURRENT REPORT

PURSUANT TO SECTIONS 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported) September 5, 2024

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Entegris, Inc.

(Exact name of registrant as specified in its charter)

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Delaware

001-32598

41-1941551

(State or Other Jurisdiction of Incorporation)

(Commission File Number)

(I.R.S. Employer Identification No.)

129 Concord Road,

Billerica,

01821

(Address of principal executive offices)

(Zip Code)

(978) 436-6500

(Registrant’s telephone number, including area code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common stock, $0.01 par value per share

ENTG

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the

Exchange Act. ☐

EXPLANATORY NOTE

On September 5, 2024, Entegris, Inc. (the "Company") filed a Current Report on Form 8-K (the "Original 8-K") under Item 5.02 disclosing that the Board of Directors of the Company (the "Board") appointed Mary Puma as a director of the Company, effective September 5, 2024. No committee assignment for Ms. Puma was determined as of the filing of the Original 8-K. This Amendment No. 1 to the Original 8-K should be read in conjunction with the Original 8-K.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

In accordance with Instruction 2 to Item 5.02 of Form 8-K, on October 17, 2024, the Board appointed Ms. Puma as a member of its Audit and Finance Committee, effective as of such date.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


	ENTEGRIS, INC.

Dated: October 17, 2024	By:	/s/ Joseph Colella
	Name:	Joseph Colella
	Title:	Senior Vice President, General Counsel and Secretary

Amendment: Entegris Inc. filed SEC Form 8-K: Leadership Update