Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000950135-03-000918
Filing Date
2003-02-12
Accepted
2003-02-11 21:25:01
Documents
2
Group Members
LIBERTY ACORN TRUSTWAM ACQUISITION GP, INC.

Document Format Files

Seq Description Document Type Size
1 CIPHERGEN BIOSYSTEMS, INC. b45475cbsc13g.txt SC 13G 15300
3 JOINT FILING AGREEMENT b45475cbexv99w1.txt EX-99.1 1235
  Complete submission text file 0000950135-03-000918.txt   19029
Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 3126349230
LIBERTY WANGER ASSET MANAGEMENT LP (Filed by) CIK: 0000908733 (see all company filings)

EIN.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 0000

Mailing Address 490 SAN ANTONIO ROAD PALO ALTO CA 94304
Business Address 490 SAN ANTONIO RD STE 201 PALO ALTO CA 94306 6504963770
CIPHERGEN BIOSYSTEMS INC (Subject) CIK: 0000926617 (see all company filings)

EIN.: 330595156 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-60711 | Film No.: 03551478
SIC: 8731 Services-Commercial Physical & Biological Research