Form 8-K AMPHENOL CORP /DE/ For: Oct 01

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October 6, 2026 4:01 PM EDT

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): October 1, 2026

AMPHENOL CORPORATION

(Exact name of registrant as specified in its charter)

Delaware		1-10879		22-2785165
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

358 Hall Avenue, Wallingford, Connecticut		06492
(Address of principal executive offices)		(Zip Code)

Registrant’s telephone number, including area code: (203) 265-8900

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
Class A Common Stock, $0.001 par value	APH	New York Stock Exchange
3.375% Senior Notes due 2029	APH29B	New York Stock Exchange
3.125% Senior Notes due 2032	APH32	New York Stock Exchange
3.875% Senior Notes due 2034	APH34A	New York Stock Exchange

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. ¨

Item 5.02

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

On October 1, 2026, Amphenol Corporation (the “Company”) notified its management team that after 43 years with the Company, Luc Walter, President of the Harsh Environment Solutions Division of the Company, would transition, effective January 1, 2027, into a new role as Senior Vice President, Strategic Programs. Ryan Fisher, who currently serves as the Group General Manager of the Company’s North American Military Group, will succeed Mr. Walter as President of the Harsh Environment Solutions Division beginning January 1, 2027.

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 hereunto duly authorized.