0000891020-00-000372 10-Q/A 5 19990930 20000229 SONUS PHARMACEUTICALS INC 0000949858 2835 954343413 DE 1231 10-Q/A 34 000-21243 556718 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 10-Q/A 1 000089102000000372-001-seq1-10-q-a.txt AMENDED FORM 10-Q EX-10.21C 2 000089102000000372-002-seq2-ex-10-21c.txt LOAN MODIFICATION AGREEMENT DATED AUGUST 30, 1999 EX-10.37 3 000089102000000372-003-seq3-ex-10-37.txt AGREEMENT FOR PART-TIME EMPLOYMENT, STEVEN C. QUAY EX-10.38 4 000089102000000372-004-seq4-ex-10-38.txt MUTUAL RECISSION AGREEMENT DATED OCTOBER 11, 1999 EX-27.1 5 000089102000000372-005-seq5-ex-27-1.txt FINANCIAL DATA SCHEDULE