Mason Capital Management Establishes 5.5% Stake in ENVIRI Corp (NVRI)

On April 6, 2026, Mason Capital Management LLC, along with its managing principals Kenneth M. Garschina and Michael E. Martino, filed a Schedule 13G disclosing a new 5.5% ownership stake in ENVIRI Corp (NVRI). The reporting persons collectively hold 4,509,778 shares of Common Stock, which are directly held by Mason Capital Master Fund, L.P. Mason Capital Management serves as the investment manager for the Master Fund and shares voting and dispositive power over these shares with Mr. Garschina and Mr. Martino. The filing, triggered by an event on March 30, 2026, indicates that the shares were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The percentage ownership was calculated based on approximately 82.7 million shares outstanding as of late March 2026. This filing marks a significant new position for the investment firm in the environmental services company.