[Form 4] Plexus Corp Insider Trading Activity

Rhea-AI Filing Summary

Oliver K. Mihm, Executive Vice President & Chief Operating Officer of Plexus Corp. (PLXS), reported changes in his beneficial ownership in a Form 4 filing. The filing shows 981 shares held indirectly in the Plexus 401(k) plan, a sale of 2,102 shares on 08/15/2025 at $130.43 per share, and a gift of 200 shares on 08/18/2025. After the reported transactions, Mihm beneficially owned 20,955 shares directly.

The filing states the 981 shares were held in the company 401(k) plan per the plan trustee and that the 200 shares were given as a bona fide gift. The form was signed on behalf of Mihm by an attorney-in-fact on 08/19/2025. No derivative transactions or option exercises are listed.

Positive

• Transparent disclosure of insider sale and gift with explanatory remarks
• Retention of substantial holdings after transactions (20,955 shares directly beneficially owned)

Negative

• Insider sale of 2,102 shares on 08/15/2025 at $130.43, representing insider liquidity
• Gift of 200 shares on 08/18/2025 reducing direct holdings

Insights

Financial Analyst

TL;DR: Routine insider sale and small gift reduce holdings modestly; no derivatives or unusual transactions reported.

The filing documents a single open-market sale of 2,102 common shares at $130.43 on 08/15/2025 and a subsequent bona fide gift of 200 shares on 08/18/2025, leaving 20,955 shares held directly and 981 shares held indirectly via the company 401(k). For investors, this is a routine disclosure of insider liquidity rather than a corporate event; there are no option exercises, grants, or other derivative activity disclosed that would materially alter outstanding equity or signal compensatory changes.

Corporate Governance Expert

TL;DR: Disclosure follows Section 16 rules; transactions appear compliant and documented with trustee and gift explanations.

The report includes clear explanations: the 401(k) holdings are reported per the plan trustee and the 200-share disposition is described as a bona fide gift. The Form 4 was executed via attorney-in-fact and dated 08/19/2025. From a governance and disclosure perspective, the filing meets standard reporting expectations and does not raise clear compliance flags based on the information provided.

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^*

Mihm Oliver K.

(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 & COO

3. Date of Earliest Transaction (Month/Day/Year)
08/15/2025

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								981	I	401(k)(1)
Common Stock, $.01 par value	08/15/2025		S		2,102	D	$130.43	21,155	D
Common Stock, $.01 par value	08/18/2025		G		200	D	(2)	20,955	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

Explanation of Responses:

1. 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.

2. Shares of Plexus Corp. common stock were given as a bona fide gift.

Remarks:

	/s/ Oliver K. Mihm, by Kate A. Gitter, Attorney-in-Fact	08/19/2025
	** 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.

FAQ

Who filed the Form 4 for PLXS and what is their role?

The Form 4 was filed for Oliver K. Mihm, who is Executive Vice President & Chief Operating Officer of Plexus Corp.

What transactions did the PLXS insider report on 08/15/2025 and 08/18/2025?

The filing reports a sale of 2,102 shares on 08/15/2025 at $130.43 per share and a gift of 200 shares on 08/18/2025.

How many Plexus shares does the reporting person beneficially own after these transactions?

After the reported transactions, the reporting person beneficially owned 20,955 shares directly and 981 shares indirectly via the company 401(k) plan.

Are there any derivative or option transactions reported in this Form 4 for PLXS?

No. The filing does not list any derivative securities, option exercises, grants, or convertible transactions.

What explanations does the Form 4 provide for the 401(k) and gift entries?

The filing explains the 401(k) shares are held per the plan's trustee and that the 200 shares were transferred as a bona fide gift.