Insider purchases are a bullish signal for GameStop, Adobe, Salesforce, Lululemon and now Opendoor. Kasra Nejatian bought $100k of Opendoor on August 14; Ryan Cohen bought $26.4M of GameStop, David Ricks $1.9M of Adobe, David Blair Kirk $999k of Salesforce and Charles Bergh $500k of Lululemon. x.com x.com x.com x.com x.com