Oliver K. Mihm - 10 Nov 2025 Form 4 Insider Report for PLEXUS CORP (PLXS)

Role: Exec VP & COO
Signature: /s/ Oliver K. Mihm, by Kate A. Gitter, Attorney-in-Fact
Issuer symbol: PLXS
Transactions as of: 10 Nov 2025
Net transactions value: -$255,405
Form type: 4
Filing time: 12 Nov 2025, 16:24:59 UTC
Previous filing: 19 Aug 2025
Next filing: 14 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Mihm Oliver K.	Exec VP & COO	ONE PLEXUS WAY, NEENAH	/s/ Oliver K. Mihm, by Kate A. Gitter, Attorney-in-Fact	12 Nov 2025	0001600424

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLXS	Common Stock, $.01 par value	Sale	$255,405	-1,748	-8.3%	$146.11	19,207	10 Nov 2025	Direct	F2
holding	PLXS	Common Stock, $.01 par value						981	10 Nov 2025	401(k)	F1

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

Explanation of Responses:

Id	Content
F1	Shares of Plexus Corp. common stock held in the Plexus Corp. 401(k) Retirement Plan as of the last report from the Plan's trustee.
F2	This transaction was executed in multiple trades at prices ranging from $145.99 to $146.25 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.