SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000950123-11-056906
Form type: SC 13G
Filer: COLUMBIA WANGER ASSET MANAGEMENT LLC
CIK: CIK 908733
Filed: Jun 06, 2011
Reporting period: May 31, 2011
Description: Passive 5%+ stake

Documents

0000950123-11-056906-index.htm

Complete submission

0000950123-11-056906.txt

directory listing

Filed by

COLUMBIA WANGER ASSET MANAGEMENT LLC