Although Palantir (NYSE: PLTR) stock is facing short-term losses, insider selling has accelerated in recent months as executives moved to lock in profits.Filings show insider trading activity has been overwhelmingly tilted toward selling, with disclosures revealing that insiders offloaded about $2.73 billion worth of stock in the past 12 months. In contrast, they purchased just$1.16 million, according to figures retrieved by Finbold from MarketBeat on August 24. This translates to insiders selling more tha ...