Main form sub form question

Main form sub form question

I have a two Main forms and 1 subform

Form A
Subform A (embedded in A)
Form B

I have data stored in multiple rows in the subformA of Form A
ex.
Form A
      SubformA
            record 1
            record 2

on success of Form A, I would like to insert 2 new records into Form B that contain information from Subform A


Any help would be greatly appreciated