Assuming anatomical position, the pain is is on the medial side of the elbow joint.
By lateral pressure, I mean, any kind of pressure that is perpendicular to the forearm. Meanwhile, pressure that is directly parallel to the forearm does not seem to bother it.
As for movements that hurt, holding the bar in a back squat is uncomfortable, ring dips are very uncomfortable. I didn't notice any pain during shoulder or bench press however. Overhead squats didn't seem to bother it during, but afterwards I was feeling it a little. Catching cleans and holding a heavy barbell in the rack position is also mildly uncomfortable.