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
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Frisch Steven J.

(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 & Chief Operating Off.
3. Date of Earliest Transaction (Month/Day/Year)
01/21/2022
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 01/21/2022   M   11,960 A (1) 61,934 D  
Common Stock, $.01 par value 01/21/2022   F   5,335 D $ 80.89 56,599 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) 01/21/2022   M     11,960   (1)   (1) Common Stock 11,960 (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 21, 2022.
Steven J. Frisch, by Kate A. Gitter, Attorney-in-Fact 01/24/2022
** 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.
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POA DOCUMENT
POWER OF ATTORNEY
For Executing Forms 3, 4, 5 and 144

Know all persons by these presents, that the undersigned hereby constitutes and
appoints each of Angelo M. Ninivaggi, Kate A. Gitter or Carena Koeppl as the
undersigned's true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, Forms 3, 4, and 5 in
accordance with Section 16 (a) of the Securities Exchange Act of 1934 (the "1934
Act") and the rules thereunder, and Form 144 in accordance with United States
Securities and Exchange Commission ("SEC") Rule 144 under the Securities Act of
1933 ("Rule 144);

(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete the execution of any such Form 3, 4, 5
and/or 144 and the timely filing of such form with the SEC and any other
authority; and

(3)	take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in his
discretion.

The undersigned hereby grants to such attorney-in-fact full power and authority
to do and perform all and every act and things whatsoever requisite, necessary
and proper to be done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as such attorney-in-fact might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or his
substitutes, shall lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted.  The undersigned acknowledges
that the foregoing attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming any of the undersigned's responsibilities to
comply with Section 16 of the 1934 Act or Rule 144 .

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 31 day of January, 2018.

/s/ Steven J. Frisch