Sentinel Energy Services Inc., trading under the ticker STNL, was a blank check company formed to pursue an acquisition in the energy services sector. The SPAC completed its initial public offering in 2017, targeting businesses operating within the upstream oil and gas services industry. Its annual report on Form 10-K, filed with the SEC on March 16, 2020, covers fiscal year activity through the period ended December 31, 2019, and was submitted under accession number 0001213900-20-006543. The filing reflects the company's status and operational disclosures as required for publicly traded special purpose acquisition companies. Sign up for SpacDesk to access full filing data, sponsor details, and deal timelines for STNL and hundreds of other SPACs.