yes it is lashon hara to post it here.
in private discussions with an individual who needs to know the information, it may be permitted. when it is and isnt needs Halachic guidance.
you dont see the negative, damaging reports, i presume, because the current moderators are watching for this, as i used to.
welcome back 80; we miss you. Even when you post as feivel it doesn’t have the same ooomph