0000912057-01-004053 S-1/A 4 20010205 ACADIA PHARMACEUTICALS INC 0001070494 2834 061376651 DE 1231 S-1/A 33 333-52492 1525369 3911 SORRENTO VALLEY BLVD SAN DIEGO CA 92121 6195582871 3911 SORRENTO VALLEY BLVD SAN DIEGO CA 92121 S-1/A 1 a2036368zs-1a.txt S-1/A EX-10.11 2 a2036368zex-10_11.txt EXHIBIT 10.11 EX-21.1 3 a2036368zex-21_1.txt EXHIBIT 21.1 EX-23.1 4 a2033472zex-23_1.txt EX-23.1