New insider activity at Amkor ( (AMKR) ) has taken place on August 7, 2026.

Director Marie Jean Rutten Guillaume has executed a notable transaction in Amkor stock, selling 50,000 shares for a total value of $2,746,250. This sizable sale highlights a significant movement in insider holdings and may draw attention from investors tracking director-level activity in Amkor.

Amkor Technology shares plunged about 23% in the last 24 hours, trading near $46 as investors reacted to mixed signals around growth and volatility. A newly disclosed risk from its 2031 Notes and related Capped Calls highlighted potential dilution and amplified share price swings, adding to pressure.

Analysts adjusted price targets after a strong Q2 beat with better gross margins, Computing and Automotive/Industrial strength, and improved utilization, but flagged near-term risks. These include weakness in communications, program timing issues, AI-related sentiment volatility, and the capital-intensive outlook for future growth, prompting more cautious expectations despite solid earnings momentum.