Mirion Technologies, Inc. (NYSE: MIR) is a radiation detection, measurement, and analysis company that completed its business combination with GS Acquisition Holdings Corp 2, a blank-check company sponsored by Goldman Sachs, in October 2021. The SPAC vehicle conducted its IPO in 2020 and targeted the industrial technology and nuclear safety sector. Mirion, headquartered in Atlanta, Georgia, serves defense, nuclear power, and medical end markets globally. The company filed a DEF 14A definitive proxy statement with the SEC on April 1, 2026, ahead of its annual shareholder meeting, reflecting its continued status as a post-combination public company. Sign up on SpacDesk for full filing history, sponsor data, and real-time analytics on MIR and hundreds of other SPAC-origin companies.