Simpson Thacher represented Wells Fargo Securities, LLC as the underwriter in connection with the offering by certain affiliates of Warburg Pincus LLC and GTCR, LLC of an aggregate of 25,000,000 shares of common stock of Sotera Health Company (“Sotera Health”). The offering raised approximately $382 million in aggregate gross proceeds for the selling stockholders and closed on March 6, 2026.
Sotera Health is a leading global provider of mission-critical end-to-end sterilization solutions, lab testing and advisory services for the healthcare industry. Sotera Health is committed to its mission, Safeguarding Global Health®.
The Simpson Thacher team for this transaction included John O’Connell, Kirsten Harmon and Jeryne Fish (Capital Markets); Vanessa Burrows and Jacob Madden (Healthcare); Carleigh Rodriguez (Environmental); Pasco Struhs (Executive Compensation and Employee Benefits); Jonathan Cantor, Sean Largey and Heesang Yeo (Tax); Andrew Pagliughi (FINRA & Blue Sky); and Alexander Franchilli and Alex Kokka (IP).