Unroll crescents onto a lightly greased baking sheet.
Divide pie filling evenly among crescent rolls and roll into crescent shape, starting with the wide end and working your way to the narrow end.
Prepare crumb topping by combining flour, brown sugar, oats, and melted butter. Stir until large crumbs form.
Top crescent rolls with crumb topping.
Bake at 350 degrees for 12-14 minutes or until golden brown.
Remove from oven and cool slightly before serving.