Palantir (NASDAQ: PLTR) shares fell sharply on Thursday amid heightened insider selling activity, with regulatory filings showing that multiple senior executives, including Co-founder and CEO Alex Karp, have proposed significant share disposals. PLTR stock closed at $155.74, down 5.85$9.68), and continued its decline in pre-market trading on Friday, changing hands at $154.58 (-0.75%) as of writing. PLTR 1-week price chart. Source: FinboldThe timing of the sales occurring just after a strong earnings qua ...