DraftKings Holdings Inc. (Nasdaq: DKNG) reached the public markets through a three-way business combination involving Diamond Eagle Acquisition Corp., a blank-check company that completed its IPO in 2019, and sports-betting technology provider SBTech. Diamond Eagle was sponsored by Eagle Equity Partners, the vehicle of media and entertainment veterans Jeff Sagansky and Harry Sloan, and targeted the sports, media, and entertainment sector. The Form 8-K filed December 23, 2019 marked the announcement of the definitive merger agreement, a landmark moment for the then-nascent U.S. online sports-betting industry. The transaction closed in April 2020, with the combined company listing on Nasdaq under the ticker DKNG. Sign up at SpacDesk for full filing histories, deal timelines, and deep data across hundreds of SPAC transactions.