Melvin Capital short puts on FRApparently they are the ones who had/have $73 million dollars of short puts on this company.
https://www.zerohedge.com/markets/melvin-capital-was-secretly-short-many-more-stocks
https://www.sec.gov/Archives/edgar/data/1628110/000090571821000248/xslForm13F_X01/infotable.xml