Momentus Inc. (Nasdaq: MNTS) is a space infrastructure company focused on in-space transportation and services, including satellite last-mile delivery using its Vigoride orbital transfer vehicle. The company completed its business combination with Stable Road Acquisition Corp., sponsored by Stable Road Capital, in August 2021, following the SPAC's initial public offering in 2019. Headquartered in San Jose, California, Momentus operates in the commercial space technology sector and has been publicly traded on Nasdaq since the close of that de-SPAC transaction. The company filed an 8-K with the Securities and Exchange Commission on August 14, 2026. Sign up on SpacDesk for full filing details, historical SPAC data, and real-time monitoring on MNTS and thousands of other transactions.