Oliver K. Mihm - 12 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
12 Nov 2025
Net transactions value
-$345,273
Form type
4
Filing time
14 Nov 2025, 17:10:54 UTC
Previous filing
12 Nov 2025
Next filing
28 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 14 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 Options Exercise +5,023 +26% 24,230 12 Nov 2025 Direct F2
transaction PLXS Common Stock, $.01 par value Tax liability $345,273 -2,361 -9.7% $146.24 21,869 12 Nov 2025 Direct
transaction PLXS Common Stock, $.01 par value Gift -1,100 -5% 20,769 12 Nov 2025 Direct F3
holding PLXS Common Stock, $.01 par value 981 12 Nov 2025 401(k) F1

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 +1,383 +21% 8,083 12 Nov 2025 Common Stock, $.01 par value 1,383 Direct F2
transaction PLXS Performance Stock Units Options Exercise -5,023 -62% 3,060 12 Nov 2025 Common Stock, $.01 par value 5,023 Direct F2
* 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 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.
F3 Shares of Plexus Corp. common stock were given as a bona fide gift.