Amkor Technology (AMKR) is trading sharply lower after announcing plans to raise $1.0 billion through a private offering of convertible senior notes due 2031. Convertible offerings often weigh on the common stock because investors price in potential dilution, while hedging activity around the convert can add near-term selling pressure.

The company said the notes are convertible under certain circumstances during specified periods, meaning the instrument can effectively become equity at a future date if conversion conditions are met. Even before final pricing and conversion terms are known, the market frequently marks shares down to reflect dilution risk and the possibility of incremental supply tied to convert-related hedges.

The financing headlines arrive shortly after Amkor posted record first-quarter 2026 revenue and provided second-quarter revenue guidance, highlighting strong demand trends. At the same time, investors have been sensitive to Amkor’s elevated investment cycle, with commentary around a large 2026 capital spending plan contributing to concerns that free cash flow could remain pressured despite improving operating results.

Next catalysts include the final pricing of the convertible notes (conversion premium, coupon, and any capped call), as those details will shape the true dilution math and the scale of hedging flows. Investors will also focus on how management allocates proceeds—especially whether funds primarily support capex expansion, balance-sheet moves, or other corporate purposes.