Pentair plc Class Action Lawsuit Alert: Johnson Fistel Notifies Investors of October 2, 2026 Lead Plaintiff Deadline

SAN DIEGO, Aug. 13, 2026 (GLOBE NEWSWIRE) — Johnson Fistel, PLLP, a shareholder rights law firm, announces that a class action lawsuit has been filed on behalf of investors in Pentair plc (NYSE: PNR).

The Pentair class action lawsuit seeks to represent investors who purchased or otherwise acquired Pentair common stock between April 28, 2026 and July 14, 2026, both dates inclusive (the “Class Period”).

Investors are hereby notified that they have until October 2, 2026, to move the Court to serve as lead plaintiff in this action.

Pentair plc Investors: Contact Johnson Fistel

For more information, submit your information here or contact Jim Baker at jimb@johnsonfistel.com or (619) 814-4471. If emailing, please include a phone number. There is no cost or obligation to you.

What Is the Pentair plc Class Action Lawsuit About?

The Pentair class action lawsuit alleges that defendants made materially false and/or misleading statements and/or failed to disclose material information concerning the Company’s business operations and financial outlook.

According to the complaint, defendants allegedly failed to disclose that: (i) significant inventory destocking was occurring in Pentair’s Pool channel; (ii) the destocking was adversely affecting the Company’s sales and operating income; and (iii) as a result, defendants’ positive statements concerning the Company’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis.

The complaint further alleges that, after the market closed on July 14, 2026, Pentair released preliminary second-quarter 2026 financial results revealing that Pool channel inventory destocking had negatively affected Pool segment sales by approximately $170 million and Pool segment income by approximately $105 million. Pentair also disclosed that second-quarter sales were expected to decline approximately 17%, compared with its previous guidance of approximately 1% growth, and that full-year 2026 sales were expected to decline approximately 4% to 7%, compared with its previous guidance of 2% to 4% growth. The Company also announced the departure of its Chief Financial Officer.

Following these disclosures, Pentair’s stock price fell $11.35 per share, or 15%, to close at $64.33 per share on July 15, 2026.

What Is a Lead Plaintiff?

A lead plaintiff is a representative party who acts on behalf of other class members in directing the litigation. Investors do not need to serve as lead plaintiff in order to share in any potential future recovery.

The deadline for investors to seek appointment as lead plaintiff in the Pentair class action lawsuit is October 2, 2026.

About Johnson Fistel, PLLP

Johnson Fistel, PLLP is a nationally recognized shareholder rights law firm with offices in California, New York, Georgia, Idaho, and Colorado. The firm represents individual and institutional investors in shareholder class actions and derivative lawsuits.

Johnson Fistel has been selected as one of the Top 10 Plaintiff Law Firms by ISS Securities Class Action Services. In 2024, Johnson Fistel recovered approximately $90,725,000 for aggrieved investors.

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Contact

Johnson Fistel, PLLP
501 W. Broadway, Suite 800
San Diego, CA 92101
James Baker, Investor Relations – or – Frank J. Johnson, Esq.
Phone: (619) 814-4471
Email: jimb@johnsonfistel.com | fjohnson@johnsonfistel.com