Pentair plc faces securities class-action claims from multiple investor law firms alleging that the water-solutions company made false or misleading statements and failed to disclose adverse Pool-segment conditions, including channel destocking and related sales pressure. Glancy Prongay Wolke & Rotter LLP’s Aug. 27, 2026, notice reminds investors of an Oct. 2, 2026, lead-plaintiff deadline in a class action covering purchasers of Pentair (NYSE: PNR) securities between March 11, 2026, and July 14, 2026, alleging failures to disclose significant Pool-channel inventory destocking that adversely affected sales and operating income and rendered positive statements about the business materially misleading or without a reasonable basis. Bragar Eagel & Squire, P.C.’s Aug. 27 notice states a class action has been filed in the Southern District of New York covering March 11, 2025, through July 14, 2026, with parallel destocking allegations. Bronstein, Gewirtz & Grossman, LLC’s Aug. 27 notice covers April 28, 2026, through July 14, 2026. Kessler Topaz Meltzer & Check, LLP’s Aug. 27 notice covers March 11, 2025, through July 14, 2026, citing suits in the Southern District of New York and the District of Minnesota. DJS Law Group’s Aug. 27 notice spans April 28, 2026, through July 14, 2026, under §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5. Robbins Geller Rudman & Dowd LLP’s Aug. 26 notice spans March 11, 2025, through July 14, 2026, in City of Warren General Retirement Health, Life and Disability Benefits Plan and Trust v. Pentair plc, No. 26-cv-03597 (D. Minn.), alleging harm from the company’s 80/20 program, while a related complaint is captioned Walters v. Pentair plc, No. 26-cv-06632 (S.D.N.Y.). Notices from Rosen Law Firm, Robbins LLP and Hagens Berman describe overlapping destocking and disclosure claims with differing class periods. Pentair’s July 14 preliminary second-quarter disclosure said Pool-channel destocking cut segment sales by about $170 million and segment income by about $105 million, second-quarter sales were expected to decline 17% versus prior guidance of about 1%, full-year 2026 sales were expected down about 4% to 7% versus prior guidance of up 2% to 4%, and the company announced the immediate departure of its chief financial officer; the shares fell $11.35, or 15%, to $64.33 on July 15 on unusually heavy volume. The lead-plaintiff deadline is Oct. 2, 2026; no class has been certified, and investors may remain absent class members without taking action.