NEW YORK--(BUSINESS WIRE)--Nov 25, 2025-- Labaton Keller Sucharow LLP (“Labaton”) has filed a securities class action lawsuit (the “Action”) on behalf of its client the City of Pontiac Reestablished General Employees Retirement System (“Pontiac RGERS”) against Avantor, Inc. (“Avantor” or the “Company”) (NYSE: AVTR) and certain of its executives (collectively, “Defendants”). The Action, which is captioned City of Pontiac Reestablished General Employees Retirement Systemv. Avantor, Inc., No.