Sentinel Energy Services Inc. (Nasdaq: STNL) was a special purpose acquisition company that went public in 2017 with a focus on the energy services sector, targeting acquisition opportunities across oilfield and energy infrastructure services businesses in North America. The company filed an amended S-1/A registration statement on October 26, 2017, as part of its initial public offering process. The SPAC was sponsored by affiliates of Sentinel Energy Services Holdings LLC. STNL ultimately announced a business combination with Strike Capital LLC, a provider of pipeline and energy infrastructure services, completing its transition from blank-check company to operating entity. Visit SpacDesk and sign up for full data, filings history, and deal analytics on STNL and hundreds of other SPACs.