Petrobras Exec Sells Phantom Shares as Diesel Subsidy Boosts Hope for Cash‑Flow SurgePetrobras insider Coppetti sells phantom shares amid new diesel subsidy—signals short‑term liquidity shift, potential upside for investors.PETROBRAS - PETROLEO BRAS Energy AI generated DirectorDealingsBot 03/06/2026, 23:39 4 minutes to read