Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000908733-09-000320
Filing Date
2009-09-10
Accepted
2009-09-10 16:43:03
Documents
1

Document Format Files

Seq Description Document Type Size
1 ERESEARCHTECHNOLOGY 13GA2 eresearchtechnology.htm SC 13G/A 43927
  Complete submission text file 0000908733-09-000320.txt   46216
Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 3126349231
COLUMBIA WANGER ASSET MANAGEMENT LP (Filed by) CIK: 0000908733 (see all company filings)

EIN.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address 30 SOUTH 17TH STREET PHILADELPHIA PA 19102
Business Address 30 SOUTH 17TH STREET PHILADELPHIA PA 19103 2159720420
ERESEARCHTECHNOLOGY INC /DE/ (Subject) CIK: 0001026650 (see all company filings)

EIN.: 223264604 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-53083 | Film No.: 091063208
SIC: 8734 Services-Testing Laboratories