Mount Rainier Acquisition Corp. (Nasdaq: RNER) is a blank check company that completed its initial public offering in 2021, targeting acquisition opportunities in the technology sector. The SPAC filed an 8-K with the Securities and Exchange Commission on February 27, 2023, accession number 0001104659-23-026110, providing a material update during its search for a business combination target. Sponsored by Mount Rainier Acquisition LLC, the company was incorporated in Delaware and operated under the standard SPAC structure seeking a merger or acquisition within its allotted search window. As of the filing date, RNER remained in its pre-combination phase. Visit SpacDesk and sign up for full access to RNER filings, timeline data, and sponsor analytics.