Trine Acquisition Corp (Nasdaq: TRNE), sponsored by Trine Sponsor LLC under the leadership of Leo Hindery Jr., was a blank-check company that completed its initial public offering in 2018, targeting the industrial technology sector. The SPAC announced a business combination with Desktop Metal, Inc., a Massachusetts-based additive manufacturing company, and the merger closed in December 2020, with the combined entity beginning to trade on the New York Stock Exchange under the ticker DM. The 8-K filed on December 8, 2020, reflects a material corporate event related to that transaction completion. Desktop Metal operates in the metal and composite 3D printing space, serving industrial and commercial customers. Visit SpacDesk and sign up for full data, filings, and deal analytics on this and hundreds of other SPAC transactions.