Plexus (PLXS) COO reports stock sales and PSU grant in Form 4

Rhea-AI Filing Summary

Plexus Corp executive Oliver K. Mihm reported a mix of stock sales, awards, and tax-related transactions. He sold 9,541 shares of common stock in an open-market transaction at an average price of $201.40 per share on February 18, 2026, and 2,226 shares at $198.785 per share on February 17, 2026.

On February 17, 2026, he received a grant of 1,297 Performance Stock Units, and 4,357 PSUs were exercised into common stock at no cash price. To cover tax obligations, 2,048 shares of common stock were disposed of at $195.95 per share. After these transactions, he directly held 12,809 common shares and had 981 shares indirectly through the Plexus Corp. 401(k) Retirement Plan.

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

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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).

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)
02/17/2026

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								981	I	401(k)(1)
Common Stock, $.01 par value	02/17/2026		M		4,357	A	(2)	26,624	D
Common Stock, $.01 par value	02/17/2026		F		2,048	D	$195.95	24,576	D
Common Stock, $.01 par value	02/17/2026		S		2,226	D	$198.785	22,350	D
Common Stock, $.01 par value	02/18/2026		S		9,541	D	$201.4(3)	12,809	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
Performance Stock Units	(2)	02/17/2026		A		1,297		(2)	(2)	Common Stock, $.01 par value	1,297	(2)	4,357	D
Performance Stock Units	(2)	02/17/2026		M			4,357	(2)	(2)	Common Stock, $.01 par value	4,357	(2)	0	D

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. Based on Company performance during the three-year performance period, 142.4% of the portion of the Performance Stock Units ("PSUs") granted in fiscal 2023 related to the relative total shareholder return ("TSR") of the Company's common stock as compared to companies in the S&P 400 Index vested. As previously disclosed, the reporting person had the opportunity to earn up to 150% of the targeted amount of PSUs based on TSR originally reported.

3. This transaction was executed in multiple trades at prices ranging from $201.40 to $201.41 per share. The reported price reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Remarks:

	/s/ Oliver K. Mihm, by Kate A. Gitter, Attorney-in-Fact	02/19/2026
	** 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).
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FAQ

What did Plexus (PLXS) executive Oliver K. Mihm report in this Form 4?

Oliver K. Mihm reported stock sales, a Performance Stock Unit grant, a PSU conversion, and tax-related share dispositions. These transactions changed his direct and indirect holdings of Plexus Corp common stock and reflect routine executive equity compensation activity and related open-market sales.

How many Plexus (PLXS) shares did Oliver K. Mihm sell and at what prices?

He sold 9,541 Plexus common shares at an average price of $201.40 on February 18, 2026, and 2,226 shares at $198.785 on February 17, 2026. These are reported as open-market sales under transaction code “S” in the Form 4 filing.

What Performance Stock Unit activity did the Plexus (PLXS) Form 4 disclose?

The filing shows a grant of 1,297 Performance Stock Units to Oliver K. Mihm and the exercise of 4,357 PSUs into common stock at a price of $0.00 per share. A footnote explains vesting was based on relative total shareholder return performance versus the S&P 400 Index.

Why were some Plexus (PLXS) shares disposed of at $195.95 in the Form 4?

The disposition of 2,048 Plexus common shares at $195.95 per share is labeled as a tax-withholding transaction under code “F.” This means shares were delivered to cover exercise price or tax liabilities tied to the equity award activity reported for Oliver K. Mihm.

What are Oliver K. Mihm’s Plexus (PLXS) holdings after these transactions?

After the reported trades and award activity, he directly held 12,809 shares of Plexus common stock. The Form 4 also notes an additional 981 shares held indirectly through the Plexus Corp. 401(k) Retirement Plan, based on the latest report from the plan’s trustee.

How does the Form 4 describe the 401(k) holdings of Plexus (PLXS) stock?

A footnote explains the 981 shares are Plexus common stock held in the Plexus Corp. 401(k) Retirement Plan, reported as of the last statement from the plan’s trustee. These shares are listed as indirect ownership for Oliver K. Mihm in the Form 4.