Pentair (PNR) EVP Adrian C. Chiu exercises options and disposes shares

Rhea-AI Filing Summary

Pentair plc executive Adrian C. Chiu reported stock transactions involving company shares. On February 6, 2026, he exercised an employee stock option for 2,760 common shares at an exercise price of $32.75 per share, fully using that option grant.

On the same date, 1,559 common shares were withheld or disposed of at $96.87 per share in a transaction coded "F," typically used for tax-related withholding. After these moves, he directly held 16,417.9592 common shares, plus 7,283.951 restricted stock units, 427.512 ESOP shares held indirectly through a plan agent, and 15,385.622 deferred plan shares

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^*

Chiu Adrian C

(Last) (First) (Middle)

5500 WAYZATA BLVD.

SUITE 900

(Street)

GOLDEN VALLEY MN 55416

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PENTAIR plc [ PNR ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Pres., Water Solutions

3. Date of Earliest Transaction (Month/Day/Year)
02/06/2026

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 Shares	02/06/2026		M		2,760	A	$32.75	17,976.9592(1)	D
Common Shares	02/06/2026		F		1,559	D	$96.87	16,417.9592(1)	D
Common Shares - Restricted Stock Units								7,283.951(2)	D
Common Shares - ESOP								427.512(2)	I	Plan Agent
Common Shares - Deferral Plan								15,385.622(2)(3)	I	Plan Agent

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
Employee Stock Option (right to buy)	$32.75	02/06/2026		M			2,760	(4)	03/01/2026	Common Shares	2,760	$0	0	D

Explanation of Responses:

1. End-of-period holdings include monthly purchases under the ESPP in exempt transactions pursuant to Rule 16b-3(c).

2. End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transactions not required to be reported pursuant to Section 16(a).

3. Pentair plc shares will be delivered to the reporting person in accordance with their irrevocable deferral election.

4. This option is presently exercisable in full.

	s/ John K. Wilson, Attorney-in-Fact for Adrian C. Chiu	02/10/2026
	** 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.

FAQ

What did Pentair (PNR) executive Adrian C. Chiu report in this Form 4 filing?

Adrian C. Chiu reported exercising an employee stock option for 2,760 Pentair common shares and a related disposition of 1,559 shares on February 6, 2026, along with updated direct and plan-based share holdings.

How many Pentair shares did Adrian C. Chiu acquire through option exercise?

He acquired 2,760 Pentair common shares by exercising an employee stock option at an exercise price of $32.75 per share on February 6, 2026, fully exhausting that specific option position as shown in the derivative securities table.

What is the 1,559-share Pentair transaction at $96.87 reported by Adrian C. Chiu?

The filing shows a transaction coded “F” for 1,559 Pentair common shares at $96.87 per share. This code typically reflects shares withheld or disposed of to cover taxes in connection with an equity transaction, rather than an open-market discretionary sale.

How many Pentair common shares does Adrian C. Chiu hold after these transactions?

After the reported transactions, Adrian C. Chiu directly holds 16,417.9592 Pentair common shares. This direct total reflects the option exercise, the tax-related share disposition, and prior accumulations noted in the end-of-period holdings footnotes.

What additional Pentair equity interests does Adrian C. Chiu report besides common shares?

He also reports 7,283.951 restricted stock units, 427.512 ESOP shares held indirectly through a plan agent, and 15,385.622 deferred plan shares. The deferred shares are scheduled to be delivered according to his irrevocable deferral election with Pentair.

What do the ESPP and dividend reinvestment plan footnotes mean in Adrian C. Chiu’s Pentair filing?

The footnotes explain that his end-of-period holdings include shares accumulated through Pentair’s employee stock purchase plan and a dividend reinvestment plan, both in exempt transactions that are not individually reportable but are reflected in his reported ownership totals.