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PLEXUS CORP

For the period ended Feb 18, 2026. Filed Dec 22, 2025.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Feb 18, 2026 · Filed Dec 22, 2025

PLXS$192.17+2.4%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐Preliminary Proxy Statement
☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☒Definitive Proxy Statement
☐Definitive Additional Materials
☐Soliciting Material Pursuant to §240.14a-12

PLEXUS CORP.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):
☒No fee required.
☐Fee paid previously with preliminary materials.
☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

NOTICE OF ANNUAL MEETING OF SHAREHOLDERS

December 22, 2025

To the Shareholders of Plexus Corp.

You are invited to the Annual Meeting of Shareholders of Plexus Corp. (“Plexus”), a Wisconsin corporation:

DATE AND TIME

February 18, 2026

8:00 a.m. CST

ACCESS THE VIRTUAL ANNUAL MEETING

This year’s annual meeting will be held as a virtual meeting. Shareholders may participate in the virtual annual meeting by logging in at the following link and providing the control number found in the Notice of Internet Availability of Proxy Materials: www.virtualshareholdermeeting.com/PLXS2026.

RECORD DATE

Shareholders of record at the close of business on December 17, 2025 are entitled to attend and vote at the virtual annual meeting. As of the Record Date, Plexus had 26,759,184 shares of common stock outstanding. Each outstanding share of common stock is entitled to one vote on each matter presented. Any shareholder entitled to vote may vote either at the virtual annual meeting or by duly authorized proxy.

ITEMS OF BUSINESS

1Elect 10 directors (pg. 8)
2Approve executive compensation by an advisory vote (pg. 71)
3Ratify the selection of PricewaterhouseCoopers LLP as our independent auditors (pg. 74)
4Transact such other business as may properly come before the meeting

We call your attention to the proxy statement accompanying this notice, which contains important information about the matters to be acted upon at the meeting.

By Order of the Board of Directors,

Angelo M. Ninivaggi

Executive Vice President, Chief Administrative Officer,

General Counsel and Secretary

Important notice regarding the availability of proxy materials for the shareholder meeting to be held on February 18, 2026. The proxy statement and Plexus’ 2025 annual report to shareholders are available atwww.proxyvote.com. At www.proxyvote.com, shareholders can view the proxy materials, vote and request to receive paper copies of the proxy materials by mail.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.