Initial Statement of Beneficial Ownership (Form 3)

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Abuhl David Westen 2. Date of Event Requiring Statement (Month/Day/Year) 05/11/2026 3. Issuer Name and Ticker or Trading Symbol PLEXUS CORP [PLXS] (Last) (First) (Middle) ONE PLEXUS WAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP & CFO 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) NEENAH, WI 54956 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock, $.01 par value 0 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	(1)	Common Stock, $.01 par value	7,500	(1)	D
Restricted Stock Units	(2)	(2)	Common Stock, $.01 par value	1,250	(2)	D
Performance Stock Units	(3)	(3)	Common Stock, $.01 par value	1,760	(3)	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Abuhl David Westen ONE PLEXUS WAY NEENAH, WI 54956			Sr. VP & CFO

Signatures

/s/ David W. Abuhl, by Kate A. Gitter, Attorney-in-Fact		05/12/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Each Restricted Stock Unit ("RSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The RSUs were granted on September 15, 2025 and vest in three equal annual installments on each of the first, second, and third anniversaries of the grant date.
(2)	Each Restricted Stock Unit ("RSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock. The RSUs were granted on February 9, 2026 and vest three years from the grant date.
(3)	Each Performance Stock Unit ("PSU") granted under the Plexus Corp. 2024 Omnibus Incentive Plan, which qualifies under Rule 16b-3, represents a contingent right to receive one share of Plexus Corp. common stock if certain conditions are satisfied. The PSUs were granted February 9, 2026. Vesting of 510 PSUs is dependent on the relative total shareholder return ("TSR") of Plexus Corp.'s common stock as compared to companies in the S&P 400 Index and vesting of the remainder is based on goals related to economic return ("ER") during the three-year performance period. The target number of PSUs that may be earned is reported above. The reporting person may earn up to 150% of the targeted amount that is based on TSR and up to 200% of the targeted amount that is based on ER.

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