Plexus Exec Reports RSU Vesting and Share Withholding

Plexus Corp executive Angelo Michael Ninivaggi Jr., Exec VP, CAO, General Counsel and Secretary, reported equity award activity.

Rhea-AI Filing Summary

Plexus Corp executive Angelo Michael Ninivaggi Jr., Exec VP, CAO, General Counsel and Secretary, reported equity award activity. On January 30, 2026, 5,460 Restricted Stock Units granted under the Plexus Corp. 2016 Omnibus Incentive Plan vested and were converted into 5,460 shares of common stock at no cost.

On the same date, 2,602 shares of common stock were withheld at a price of $199.33 per share, reported with transaction code “F,” typically indicating shares withheld to cover taxes. After these transactions, Ninivaggi directly held 24,402 shares of Plexus Corp common stock.

Insider Trade Summary

5,460 shares exercised/converted

Exercise 3 txns

Insider Ninivaggi Angelo Michael Jr

Role Exec VP, CAO, Gen Coun & Secy

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	5,460	$0.00	$0.00
Exercise	Common Stock, $.01 par value	5,460	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock, $.01 par value	2,602	$199.33	$519K

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock, $.01 par value — 24,402 shares (Direct)

Footnotes (1)

1. F1. Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

FAQ

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What insider transactions did PLXS executive Angelo Ninivaggi report?

Angelo Michael Ninivaggi Jr. reported the vesting of 5,460 Restricted Stock Units that converted into an equal number of Plexus Corp common shares. He also reported 2,602 shares withheld, coded “F,” leaving him with 24,402 directly held shares after the transactions.

How many Plexus Corp (PLXS) shares does Angelo Ninivaggi own after this Form 4?

After the reported transactions, Angelo Michael Ninivaggi Jr. directly owns 24,402 shares of Plexus Corp common stock. This reflects RSU vesting of 5,460 shares and the withholding of 2,602 shares, as disclosed in the Form 4 filing for January 30, 2026.

What does the RSU transaction on January 30, 2026 mean for PLXS?

On January 30, 2026, 5,460 Restricted Stock Units granted under the Plexus Corp 2016 Omnibus Incentive Plan vested into 5,460 common shares. Each RSU represented a contingent right to one share, and the vesting indicates a scheduled equity compensation event for the executive.

Why were 2,602 PLXS shares reported with transaction code "F"?

The Form 4 shows 2,602 Plexus Corp common shares with transaction code “F” at $199.33 per share. Code “F” typically reflects shares withheld by the issuer to satisfy tax obligations upon vesting of equity awards, reducing the net shares retained by the executive.

What is the role of Angelo Ninivaggi at Plexus Corp (PLXS)?

Angelo Michael Ninivaggi Jr. serves as Executive Vice President, Chief Administrative Officer, General Counsel and Secretary of Plexus Corp. His Form 4 filing reports changes in his beneficial ownership of company stock through vesting of Restricted Stock Units and related share withholding.

How were the PLXS Restricted Stock Units structured in this Form 4?

Each Restricted Stock Unit granted under the Plexus Corp 2016 Omnibus Incentive Plan represented a contingent right to receive one common share. According to the filing, these RSUs vested and settled on January 30, 2026, resulting in delivery of 5,460 shares to the executive.

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

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Accepted by SEC EDGAR 02/03/2026 - 05:40 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)
	Exec VP, CAO, Gen Coun & Secy

3. Date of Earliest Transaction (Month/Day/Year)
01/30/2026

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	01/30/2026		M		5,460	A	(1)	27,004	D
Common Stock, $.01 par value	01/30/2026		F		2,602	D	$199.33	24,402	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
Restricted Stock Units	(1)	01/30/2026		M			5,460	(1)	(1)	Common Stock, $.01 par value	5,460	(1)	0	D

Explanation of Responses:

1. Each Restricted Stock Unit granted under the Plexus Corp. 2016 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represented a contingent right to receive one share of Plexus Corp. common stock. The Restricted Stock Units vested and settled on January 30, 2026.

Remarks:

	/s/ Angelo M. Ninivaggi, by Kate A. Gitter, Attorney-in-Fact	02/03/2026
	** 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.