Disclosed is a suspension assembly for a disk drive that includes: a mounting plate having a through-hole; a microactuator mounted on the mounting plate; a flexure attached to the mounting plate, the flexure including a trace layer that includes a ground trace; and a conductive epoxy bonded to the microactuator extending through the through-hole to bond to the flexure, wherein the epoxy extends to the ground trace of the flexure such that the microactuator is grounded to the flexure.