Todd P. Kelsey - 12 Nov 2025 Form 4 Insider Report for PLEXUS CORP (PLXS)

Role: President & CEO, Director
Signature: /s/ Todd P. Kelsey, by Kate A. Gitter, Attorney-in-Fact
Issuer symbol: PLXS
Transactions as of: 12 Nov 2025
Net transactions value: -$1,483,605
Form type: 4
Filing time: 14 Nov 2025, 17:10:49 UTC
Previous filing: 05 Nov 2025
Next filing: 12 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kelsey Todd P.	President & CEO, Director	ONE PLEXUS WAY, NEENAH	/s/ Todd P. Kelsey, by Kate A. Gitter, Attorney-in-Fact	14 Nov 2025	0001411282

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLXS	Common Stock, $.01 par value	Options Exercise		+21,583	+37%		80,297	12 Nov 2025	Direct	F1
transaction	PLXS	Common Stock, $.01 par value	Tax liability	$1,483,605	-10,145	-13%	$146.24	70,152	12 Nov 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PLXS	Performance Stock Units	Award		+5,943	+21%		34,733	12 Nov 2025	Common Stock, $.01 par value	5,943		Direct	F1
transaction	PLXS	Performance Stock Units	Options Exercise		-21,583	-62%		13,150	12 Nov 2025	Common Stock, $.01 par value	21,583		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.

Content

Based on Company performance during the three-year performance period, 138% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to economic return goals vested. The three-year performance period for the portion of the PSUs that vests based on the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index has yet to conclude. As previously disclosed, the reporting person had the opportunity to earn up to 200% of the targeted amount based on ER originally reported and has the opportunity to earn up to 150% of the targeted amount based on TSR originally reported.