Mihm Oliver K. 4

4 · PLEXUS CORP · Filed Feb 19, 2026

AI-generated summary of this filing

Updated Feb 19, 2026

Plexus (PLXS) Exec VP/COO Oliver K. Mihm Sells Shares

What Happened

Oliver K. Mihm, Executive Vice President & COO of Plexus Corp. (PLXS), exercised options and received shares, had performance stock units vest, and sold stock. He exercised/converted 4,357 derivative shares on Feb 17, 2026 and received a grant/vesting of 1,297 PSUs. He sold 2,226 shares on Feb 17 for $198.78 each ($442,495) and sold 9,541 shares on Feb 18 for a weighted average price of $201.40 ($1,921,557). Separately, 2,048 shares were surrendered to cover exercise price and/or tax withholding at $195.95, valued at $401,306.

Key Details

Transaction dates and prices:
- 2026-02-17: Exercise of 4,357 derivative shares (M); 2,226 shares sold at $198.78 ($442,495); 2,048 shares withheld for tax/exercise at $195.95 ($401,306).
- 2026-02-18: Open-market sale of 9,541 shares at a weighted average $201.40 ($1,921,557). (Per footnote, the Feb 18 sale executed in multiple trades at $201.40–$201.41.)
- 2026-02-17: Grant/vesting of 1,297 PSUs (A).
Total open-market sale proceeds: approximately $2,364,052 (11,767 shares). Tax/exercise withholding: 2,048 shares valued at ~$401,306.
Shares owned after transaction: not disclosed in the provided filing.
Footnotes of note:
- F2: The 1,297 PSUs reflect a 142.4% payout of the fiscal‑2023 PSU TSR component (up to 150% possible).
- F3: Feb 18 sale executed in multiple trades; reported price is weighted average.
- F1: references shares held in the company 401(k) plan in prior reports.
Filing timeliness: Form 4 was filed Feb 19, 2026 reporting transactions from Feb 17–18; this appears to be a timely filing.

Context

This sequence looks like a common cashless exercise/settlement: options/derivative awards were exercised/converted, some shares were surrendered to cover taxes or exercise costs, and remaining shares were sold in the open market. Sales are routine liquidity actions and do not by themselves indicate management’s view on long‑term company prospects.
The PSU grant reflects a performance-based vesting (relative TSR vs. S&P 400) and was paid out at above-target performance (142.4%).

Form 4

Period: 2026-02-17

Exec VP & COO

Transactions

Exercise/Conversion
Common Stock, $.01 par value
[F2]
2026-02-17+4,357→ 26,624 total
Tax Payment
Common Stock, $.01 par value
2026-02-17$195.95/sh−2,048$401,306→ 24,576 total
Sale
Common Stock, $.01 par value
2026-02-17$198.78/sh−2,226$442,495→ 22,350 total
Sale
Common Stock, $.01 par value
[F3]
2026-02-18$201.40/sh−9,541$1,921,557→ 12,809 total
Award
Performance Stock Units
[F2]
2026-02-17+1,297→ 4,357 total
→ Common Stock, $.01 par value (1,297 underlying)
Exercise/Conversion
Performance Stock Units
[F2]
2026-02-17−4,357→ 0 total
→ Common Stock, $.01 par value (4,357 underlying)

Holdings

Footnotes (3)

[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, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.
[F3]This transaction was executed in multiple trades at prices ranging from $201.40 to $201.41 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.

Signature

/s/ Oliver K. Mihm, by Kate A. Gitter, Attorney-in-Fact|2026-02-19

1 file