I can only find 2 losses for 9/11/40....
Oblt. Lothar Keller, 1./JG 3 Werknumber 5276
Obfw. Franz Hessel, 1./JG 3 Werknumber 5341
They werent shot down, but from a mid-air collision.... Keller scored 10 victories during the Battle of France, leading JG3 in that dept...