0001181431-09-021108 8-K 1 20090427 1.01 20090427 20090427 ACADIA PHARMACEUTICALS INC 0001070494 2834 061376651 DE 1231 8-K 34 000-50768 09773224 3911 SORRENTO VALLEY BLVD SAN DIEGO CA 92121 858-558-2871 3911 SORRENTO VALLEY BLVD SAN DIEGO CA 92121 8-K 1 rrd240626.htm 8-K FOR ALLERGAN AMENDMENT