[Form 4] PLEXUS CORP Insider Trading Activity

Plexus Corp executive Angelo Michael Ninivaggi Jr, EVP and Chief Legal & PAO & Secretary, reported equity compensation activity involving Performance Stock Units (PSUs) and common stock.

Rhea-AI Filing Summary

Plexus Corp executive Angelo Michael Ninivaggi Jr, EVP and Chief Legal & PAO & Secretary, reported equity compensation activity involving Performance Stock Units (PSUs) and common stock. On February 17, 2026, he received a grant of 975 PSUs at a stated price of $0.00 per unit.

On the same date, 3,275 PSUs were exercised or converted into 3,275 shares of Plexus common stock, reflecting previously granted awards. A footnote explains that, based on company performance over a three-year period, 142.4% of the TSR-linked portion of the fiscal 2023 PSU grant vested, versus a maximum opportunity of 150%.

Following the conversion, 1,540 common shares were disposed of through a tax-withholding transaction at $195.95 per share to cover exercise price or tax obligations. After these transactions, Ninivaggi directly owned 21,834 shares of Plexus common stock.

Insider Trade Summary

3,275 shares exercised/converted

Exercise 4 txns

Insider Ninivaggi Angelo Michael Jr

Role EVP, Chief Legal & PAO & Secy

Type	Security	Shares	Price	Value
Grant/Award	Performance Stock Units	975	$0.00	$0.00
Exercise	Performance Stock Units	3,275	$0.00	$0.00
Exercise	Common Stock, $.01 par value	3,275	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock, $.01 par value	1,540	$195.95	$302K

Holdings After Transaction: Performance Stock Units — 0 contracts (Direct); Common Stock, $.01 par value — 21,834 shares (Direct)

Footnotes (1)

1. F1. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity awards did Plexus (PLXS) executive Angelo Ninivaggi report?

Angelo Ninivaggi reported a grant of 975 Performance Stock Units on February 17, 2026. These units were awarded at a stated price of $0.00 per unit as part of his equity-based compensation package tied to Plexus performance.

How many Plexus (PLXS) Performance Stock Units were converted to common stock?

On February 17, 2026, 3,275 Performance Stock Units were exercised or converted into 3,275 shares of Plexus common stock. This reflects previously granted PSUs that became deliverable in shares based on the company’s performance conditions.

What performance level triggered PSU vesting for Plexus (PLXS) executive awards?

A footnote states that 142.4% of the portion of fiscal 2023 PSUs tied to relative total shareholder return vested. The executive could have earned up to 150% of the targeted PSUs based on total shareholder return versus S&P 400 companies.

Why did Angelo Ninivaggi dispose of some Plexus (PLXS) shares?

He disposed of 1,540 Plexus common shares at $195.95 per share through a tax-withholding transaction. The filing describes this as payment of the exercise price or tax liability by delivering securities, not as an open-market sale.

How many Plexus (PLXS) shares does Angelo Ninivaggi own after these transactions?

After the February 17, 2026 transactions, Angelo Ninivaggi directly owned 21,834 shares of Plexus common stock. This reflects the PSU conversions into shares minus the shares withheld to satisfy exercise or tax obligations.

What role does Angelo Ninivaggi hold at Plexus (PLXS)?

Angelo Michael Ninivaggi Jr serves as EVP, Chief Legal & PAO & Secretary at Plexus Corp. His reported PSU grants and share transactions relate to equity compensation associated with this executive leadership position.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/19/2026 - 05:24 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Ninivaggi Angelo Michael Jr

(Last) (First) (Middle)

ONE PLEXUS WAY

(Street)

NEENAH WI 54956

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PLEXUS CORP [ PLXS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Legal & PAO & Secy

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, $.01 par value	02/17/2026		M		3,275	A	(1)	23,374	D
Common Stock, $.01 par value	02/17/2026		F		1,540	D	$195.95	21,834	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units	(1)	02/17/2026		A		975		(1)	(1)	Common Stock, $.01 par value	975	(1)	3,275	D
Performance Stock Units	(1)	02/17/2026		M			3,275	(1)	(1)	Common Stock, $.01 par value	3,275	(1)	0	D

Explanation of Responses:

1. 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.

Remarks:

	/s/ Angelo M. Ninivaggi, by Kate A. Gitter, Attorney-in-Fact	02/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.