Momentus Inc.

Momentus Inc. (Nasdaq: MNTS), a space infrastructure services company, filed a Form S-1 registration statement with the SEC on December 19, 2025. The company entered public markets through a merger with Stable Road Acquisition Corp, a blank-check vehicle sponsored by Stable Road Capital that completed its IPO in 2019, with the de-SPAC combination closing in August 2021. Momentus develops in-space transportation and infrastructure services targeting the commercial space sector and remains listed on Nasdaq as of the filing date. For complete filing history, deal terms, and SPAC-linked company data on MNTS and thousands of other issuers, sign up for full access on SpacDesk.