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Form 8-K

sec.gov

8-K — PENTAIR plc

Accession: 0000077360-26-000029

Filed: 2026-05-06

Period: 2026-05-05

CIK: 0000077360

SIC: 3550 (SPECIAL INDUSTRY MACHINERY (NO METALWORKING MACHINERY))

Item: Submission of Matters to a Vote of Security Holders

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): May 5, 2026

Pentair plc

(Exact name of Registrant as specified in its charter)

Ireland 001-11625 98-1141328

(State or other jurisdiction of

incorporation or organization)

(Commission

File No.)

(I.R.S. Employer

Identification No.)

Regal House, 70 London Road, Twickenham, London, TW13QS United Kingdom

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: 44-74-9421-6154

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading Symbol(s) Name of each exchange on which registered

Ordinary Shares, nominal value $0.01 per share PNR New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act (17 CFR 230.405) or Rule 12b-2 of the Exchange Act (17 CFR 240.12b-2). ☐ Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 5.07     Submission of Matters to a Vote of Security Holders.

Pentair plc (the “Company”) held its 2026 annual general meeting of shareholders on May 5, 2026. There were 161,602,800 ordinary shares issued and outstanding at the close of business on March 6, 2026 and entitled to vote at the annual general meeting. A total of 147,387,379 ordinary shares (91.20%) were represented at the annual general meeting.

The items voted upon at the annual general meeting and the results of the vote on each proposal were as follows:

Proposal 1. — Re-Elect Director Nominees

To re-elect nine director nominees for terms expiring at the 2027 annual general meeting of shareholders. Each nominee for director was re-elected by a vote of the shareholders as follows:

Nominees

Votes For

Votes Against

Abstentions

Broker Non-Votes

Mona Abutaleb Stephenson

135,896,779

3,620,934

114,535

7,755,131

Melissa Barra

139,362,073

156,369

113,806

7,755,131

Tracey C. Doi

139,252,311

267,566

112,371

7,755,131

T. Michael Glenn

130,103,937

9,416,746

111,565

7,755,131

Theodore L. Harris

134,626,358

4,893,216

112,674

7,755,131

Gregory E. Knight

139,259,018

261,063

112,167

7,755,131

Michael T. Speetzen

134,211,698

5,308,458

112,092

7,755,131

John L. Stauch

137,849,784

1,662,339

120,125

7,755,131

Billie I. Williamson

127,476,246

12,044,684

111,318

7,755,131

Proposal 2. — Approve, by Nonbinding, Advisory Vote, the Compensation of the Named Executive Officers

To approve, by nonbinding, advisory vote, the compensation of the Company’s named executive officers. The compensation of the Company’s named executive officers was approved by a nonbinding, advisory vote of the shareholders as follows:

Votes For

Votes Against

Abstentions

Broker Non-Votes

133,060,912

5,714,611

856,725

7,755,131

Proposal 3. — Ratify, by Nonbinding, Advisory Vote, the Appointment of Deloitte & Touche LLP as the Independent Auditor of the Company and to Authorize, by Binding Vote, the Audit and Finance Committee of the Board of Directors to Set the Auditor’s Remuneration

To ratify, by nonbinding, advisory vote, the appointment of Deloitte & Touche LLP as the Company’s independent auditor for the year ending December 31, 2026 and to authorize, by binding vote, the Audit and Finance Committee of the Board of Directors to set the independent auditor’s remuneration. The proposal was approved by a vote of the shareholders as follows:

Votes For

Votes Against

Abstentions

127,122,042

20,172,130

93,207

Proposal 4. — Authorize the Board of Directors to Allot New Shares Under Irish Law

To authorize the Board of Directors to allot new shares under Irish law. The proposal was approved by a vote of the shareholders as follows:

Votes For

Votes Against

Abstentions

145,388,731

1,881,991

116,657

Proposal 5. — Authorize the Board of Directors to Opt-Out of Statutory Preemption Rights Under Irish Law

To authorize the Board of Directors to opt-out of statutory preemption rights under Irish law. The proposal was approved by a vote of the shareholders as follows:

Votes For

Votes Against

Abstentions

129,439,361

17,795,153

152,865

Proposal 6. — Authorize the Price Range at Which the Company Can Re-Allot Shares It Holds as Treasury Shares Under Irish Law

To authorize the price range at which the Company can re-allot shares it holds as treasury shares under Irish law. The proposal was approved by a vote of the shareholders as follows:

Votes For

Votes Against

Abstentions

146,136,706

1,132,550

118,123

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on May 6, 2026.

PENTAIR PLC

Registrant

By: /s/ Lance T Bonner

Lance T Bonner

Executive Vice President, General Counsel and Secretary

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