Oakland Co Emp Retirement Sys, et al v. Sotera Health Company, et al

  1. February 24, 2026

    6th Circ. Affirms Dismissal Of Sotera Toxic Gas Investor Suit

    The Sixth Circuit on Tuesday affirmed a lower court's dismissal of an investor lawsuit accusing Sotera Health Co. of concealing the carcinogenic nature of a gas used at its sterilization plants, finding Sotera did not make any actionable false or misleading statements to investors.

  2. August 19, 2025

    Sotera Urges 6th Circ. To Toss Investors' Toxic Gas Suit

    Sotera Health Co. urged the Sixth Circuit to affirm the dismissal of a lawsuit accusing it of concealing the carcinogenic nature of a gas used at its sterilization plants, saying "defending yourself in litigation is not securities fraud."

  3. June 18, 2025

    Sotera Investors Urge 6th Circ. To Reopen Toxic Gas Suit

    Sotera Health investors are seeking to revive a lawsuit accusing the company of concealing the carcinogenic nature of a gas used at its sterilization plants, telling the Sixth Circuit that the company knew that its "outrageous and cynical" behavior would cost it hundreds of millions of dollars.