Investors & landlords

Because I added up the withholdings. Also I had a separate pay statement when the stocks vested and the withholding there was small cash and stock withokdings were reported on a separate line called “stock offset for vesting”. Not included in withholding. But that separate line doesn’t make it to any of the w2 line so I am worried. I realized all this when I finished my taxes and saw a big tax bill. It didn’t make sense as I had a liberal withholding %