Mount Rainier Acquisition Corp. (Nasdaq: RNER) was a blank check company formed to pursue a business combination across technology and related sectors. The SPAC completed its initial public offering in 2021 and was subsequently listed on Nasdaq. On February 28, 2023, the company filed a Form 15-12G with the Securities and Exchange Commission, initiating the deregistration of its securities under Section 12(g) of the Securities Exchange Act of 1934, a step that typically signals a SPAC's wind-down following the expiration of its combination window without a completed transaction. RNER's status is now classified as terminated. For full filing history, shareholder data, and deal timelines on RNER and hundreds of other SPACs, sign up for SpacDesk at spacdesk.com.