An executive at chipmaker Advanced Micro Devices (AMD) has bought company stock for the first time in 12 years, according to regulatory

Phil Guido, an AMD executive VP, bought $500,000 of the chip maker’s shares, the first insider buy since 2012.

Advanced Micro Devices Inc., which disappointed Wall Street in the fourth quarter with its artificial-intelligence chip forecast, may be facing another risk —an oversupply of chips to the personal-computer market.