Momentus Inc. (Nasdaq: MNTS) is a commercial space infrastructure company that reached the public markets through a business combination with Stable Road Acquisition Corp., a blank-check vehicle sponsored by Stable Road Capital that completed its initial public offering in 2019. The SPAC targeted the space technology and in-space services sector, consistent with Momentus's core business of providing in-space transportation and hosted payload services for satellite operators and government customers. The company's definitive merger agreement with Stable Road was announced in October 2020, and the transaction closed in August 2021, with Momentus shares subsequently trading on Nasdaq under the MNTS ticker. This May 2020 quarterly filing represents Stable Road's disclosure during its active target-search phase. Sign up at SpacDesk for complete filing histories, deal timelines, and analytics across the full SPAC universe.