UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

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Date of Report (Date of earliest event reported): July 23, 2025

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PLEXUS CORP.

(Exact name of registrant as specified in its charter)

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Wisconsin

001-14423

39-1344447

(State or other jurisdiction
of incorporation)

(Commission
File Number)

(IRS Employer
Identification No.)

One Plexus Way

Neenah, Wisconsin 54957

(Address of principal executive offices) (Zip Code)

Telephone Number (920) 969-6000

(Registrant’s telephone number, including Area Code)

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 (see General Instruction A.2. below):

☐ 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	Name of each exchange on which registered
Common Stock, $0.01 par value	PLXS	The Nasdaq Global Select Market

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 2.02 Results of Operations and Financial Condition.

On July 23, 2025, Plexus Corp. (“we” or the “Company”) announced results for the fiscal third quarter ended June 28, 2025. A copy of the Company’s related press release is furnished as Exhibit 99.1 to this report.

Item 9.01 Financial Statements and Exhibits

(d) The following exhibits are filed herewith:


Exhibit Number						Description
99.1						Press release issued by Plexus Corp., dated July 23, 2025
104						Cover Page Interactive Data File (the cover page tags are embedded within the Inline XBRL document)

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SIGNATURES

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.


Date: July 23, 2025						PLEXUS CORP.
						(Registrant)
						By: /s/ Patrick J. Jermain
						Patrick J. Jermain
						Executive Vice President and Chief Financial Officer

PLEXUS CORP 8-K