After market close means 4:01 E.T.
How long have you been investing in stocks? If it has been a year or less I will give you a pass.
It is probably a big report since it's the end of the year. So maybe the typest and editor didn't get a copy to type up until after 4:00 and it's taken this long to proof the copy.
They will release the numbers tonight and the conference call will be held in the morning. Usually when that happens they report the numbers late. Regardless it will have a big move soon.