[Form 4] PENTAIR plc Insider Trading Activity

Rhea-AI Filing Summary

PENTAIR plc executive Adrian C. Chiu reported equity compensation activity. He acquired 17,970 common shares at no cost from the settlement of performance share units earned for the performance period ended December 31, 2025, after the Compensation Committee certified results on February 23, 2026.

On the same date, 1,854 common shares at $101.66 per share were surrendered to cover taxes related to this settlement. Following these transactions, he directly held 19,442.4106 common shares and also had 28,545.622 common shares held indirectly through a deferral plan to be delivered under his irrevocable deferral election.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Chiu Adrian C

Role EVP & Pres., Water Solutions

Type	Security	Shares	Price	Value
Grant/Award	Common Shares	17,970	$0.00	--
Tax Withholding	Common Shares	1,854	$101.66	$188K
holding	Common Shares - Deferral Plan	--	--	--

Holdings After Transaction: Common Shares — 34,456.411 shares (Direct); Common Shares - Deferral Plan — 28,545.622 shares (Indirect, Plan Agent)

Footnotes (1)

1. Reflects the settlement of performance share units in shares earned for the performance period ended December 31, 2025. The Compensation Committee certified the achievement of the performance goals on February 23, 2026. End-of-period holdings include monthly purchases under the ESPP in exempt transactions pursuant to Rule 16b-3(c). 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). Shares surrendered to pay taxes applicable to settlement of performance share units. End-of-period holdings reflect the deferral of vested performance share units. Pentair plc shares will be delivered to the reporting person in accordance with their irrevocable deferral election.

Form 4 Insider Transactions: What Each Field Means →

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^*

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)
02/23/2026

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	02/23/2026		A(1)		17,970	A	$0	34,456.4106(2)(3)	D
Common Shares	02/23/2026		F(4)		1,854	D	$101.66	19,442.4106(2)(3)(5)	D
Common Shares - Deferral Plan								28,545.622(5)(6)	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

Explanation of Responses:

1. Reflects the settlement of performance share units in shares earned for the performance period ended December 31, 2025. The Compensation Committee certified the achievement of the performance goals on February 23, 2026.

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

3. 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).

4. Shares surrendered to pay taxes applicable to settlement of performance share units.

5. End-of-period holdings reflect the deferral of vested performance share units.

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

	/s/ John K. Wilson, Attorney-in-Fact for Adrian C. Chiu	02/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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