Sentinel Energy Services Inc., trading on Nasdaq under the ticker STNL, was a special purpose acquisition company that completed its initial public offering in 2017 with a focus on the oil and gas services sector. The SPAC was sponsored by Sentinel Energy Services LLC, an entity formed to identify and execute a business combination within the upstream and oilfield services industry. The company filed a Form 10-Q with the SEC on November 8, 2018, under accession number 0001213900-18-015186, reflecting its ongoing reporting obligations as a publicly registered blank check company during the relevant period. STNL represented part of a broader wave of energy-focused SPACs seeking acquisition targets amid shifting dynamics in the domestic oil services market. Visit SpacDesk and sign up for full data, filings, and deal-status tracking on STNL and hundreds of other SPACs.