Plexus director sells 500 shares under 10b5-1 plan

Rhea-AI Filing Summary

Plexus Corp (PLXS) director Karen Marie Rapp reported selling 500 shares of common stock on August 31, 2026 in an open-market or private transaction at $240.87 per share. After this sale, she directly holds 7,535 shares of Plexus common stock. The sale was executed pursuant to a Rule 10b5-1 trading plan adopted on February 6, 2026.

Insider Trade Summary 10b5-1

Net Seller: 500 shares

Net Sell 1 txn

Insider Rapp Karen Marie

Role Director

Sold 500 shs ($120K)

Type	Security	Shares	Price	Value
Sale	Common Stock, $.01 par value F1	500	$240.87	$120K

Holdings After Transaction: Common Stock, $.01 par value — 7,535 shares (Direct)

Footnotes (1)

1. F1. Shares were sold pursuant to a Rule 10b5-1 plan adopted on February 6, 2026.

Key Figures

Shares sold: 500 shares Sale price per share: $240.87 per share Shares owned after transaction: 7,535 shares +1 more

4 metrics

Shares sold 500 shares Common Stock sale reported for August 31, 2026

Sale price per share $240.87 per share Price for the 500-share sale on August 31, 2026

Shares owned after transaction 7,535 shares Directly owned by Karen Marie Rapp following the sale

Rule 10b5-1 plan adoption date February 6, 2026 Plan under which the August 31, 2026 sale was executed

Key Terms

Rule 10b5-1 plan, Sale in open market or private transaction, Common Stock, $.01 par value

3 terms

Rule 10b5-1 plan regulatory

"Shares were sold pursuant to a Rule 10b5-1 plan adopted on February 6, 2026"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

Sale in open market or private transaction financial

"transaction_code_description: Sale in open market or private transaction"

Common Stock, $.01 par value financial

"security_title: Common Stock, $.01 par value"

FAQ

What insider transaction did PLXS director Karen Marie Rapp report?

Karen Marie Rapp reported a sale of 500 PLXS shares of common stock on August 31, 2026 in an open-market or private transaction at $240.87 per share, executed under a Rule 10b5-1 trading plan.

How many PLXS shares does Karen Marie Rapp hold after this transaction?

After the reported transaction, Karen Marie Rapp directly holds 7,535 shares of Plexus Corp common stock. This figure reflects her position following the sale of 500 shares on August 31, 2026.

At what price were the PLXS shares sold in this Form 4 filing?

The 500 PLXS shares were sold at a price of $240.87 per share. The filing characterizes the transaction as a sale in open market or private transaction of Plexus common stock.

Was the PLXS insider sale made under a Rule 10b5-1 plan?

Yes. The filing states that the 500-share sale on August 31, 2026 was made pursuant to a Rule 10b5-1 plan adopted on February 6, 2026, indicating the trade was pre-arranged under that plan.

What role does Karen Marie Rapp have at Plexus Corp (PLXS)?

Karen Marie Rapp is identified in the filing as a director of Plexus Corp. She is not listed as an officer or ten percent owner in this Form 4.

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Available on EDGAR 09/01/2026 - 08:24 AM Accepted by SEC EDGAR 09/01/2026 - 08:24 AM 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).

X

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^*

Rapp Karen Marie

(Last) (First) (Middle)

ONE PLEXUS WAY

(Street)

NEENAH WISCONSIN 54956

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026

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

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

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

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	08/31/2026		S(1)		500	D	$240.87	7,535	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 were sold pursuant to a Rule 10b5-1 plan adopted on February 6, 2026.

Remarks:

	/s/ Karen Rapp, by Kate A. Gitter, Attorney-in-Fact	09/01/2026
	** 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.
* Form 4: SEC 1474 (03-26)