Alta Equipment Group Inc. (Nasdaq: ALTG) is an industrial and construction equipment dealer that completed its public debut in February 2020 through a business combination with B. Riley Principal 150 Merger Corp, a blank-check vehicle sponsored by B. Riley Financial. Operating in the heavy equipment distribution and rental sector, Alta serves construction, material handling, and infrastructure customers across the Midwest and Northeast United States. The company filed an 8-K with the SEC on May 7, 2026, reflecting its ongoing obligations as a reporting public company following the de-SPAC transaction. Sign up at SpacDesk for full filing history, sponsor details, and post-merger performance data on ALTG and hundreds of other SPAC transactions.