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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0000950123-11-011767
Filing Date
2011-02-10
Accepted
2011-02-10 16:03:12
Documents
2

Document Format Files

Seq Description Document Type Size
1 SC 13G/A c62860c3sc13gza.htm SC 13G/A 37194
2 EX-99.1 c62860c3exv99w1.htm EX-99.1 3707
  Complete submission text file 0000950123-11-011767.txt   43243
Mailing Address 9900 A CLAYTON RD ST LOUIS MO 63124
Business Address 9900 A CLAYTON RD ST LOUIS MO 63124 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.: 11592506
SIC: 3669 Communications Equipment, NEC

Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 312-634-9200
COLUMBIA WANGER ASSET MANAGEMENT LLC (Filed by) CIK: 0000908733 (see all company filings)

IRS No.: 043519872 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000