GeneDx Holdings Corp.

GeneDx Holdings Corp. traces its origins to CM Life Sciences III Acquisition Corp., a blank-check company that traded under the ticker CMLF and completed its initial public offering in 2021. Sponsored by CM Life Sciences, the vehicle targeted opportunities in the life sciences and genomics sector before completing a de-SPAC merger with GeneDx, a genetic-testing laboratory formerly operating under BioReference Laboratories. The combined company, GeneDx Holdings, filed an 8-K current report with the SEC on June 23, 2026, as part of its ongoing public-company disclosure obligations. Sign up at SpacDesk for full filing histories, sponsor profiles, and deal-level data on this and every active SPAC.