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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000891804-05-000405
Filing Date
2005-02-07
Accepted
2005-02-07 16:46:35
Documents
1
Group Members
COLUMBIA ACORN TRUSTWAM ACQUISITION GP, INC.

Document Format Files

Seq Description Document Type Size
1 ESCO TECHNOLOGIES INC. esco.txt SC 13G/A 18141
  Complete submission text file 0000891804-05-000405.txt   20141
Mailing Address 8888 LADUE RD SUITE 200 ST LOUIS MO 63124-2090
Business Address 8888 LADUE RD SUITE 200 ST LOUIS MO 63124-2090 3142137200
ESCO TECHNOLOGIES INC (Subject) CIK: 0000866706 (see all company filings)

IRS No.: 431554045 | State of Incorp.: MO | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-41209 | Film No.: 05580990
SIC: 3812 Search, Detection, Navigation, Guidance, Aeronautical Sys

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)

IRS No.: 363820584 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000