0000891020-00-001144 8-K 2 20000523 5 7 20000525 SONUS PHARMACEUTICALS INC 0000949858 2835 954343413 DE 1231 8-K 34 000-21243 643947 22026 2OTH AVE SE STE 102 BOTHELL WA 98021 2064879500 22026 20TH AVENUE SE, SUITE 102 22026 20TH AVENUE SE, SUITE 102 BOTHELL WA 98021 8-K 1 000089102000001144-001-seq1-8-k.txt FORM 8-K EX-99.1 2 000089102000001144-002-seq2-ex-99-1.txt EXHIBIT 99.1