Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950123-10-111945
Filing Date
2010-12-08
Accepted
2010-12-08 14:33:50
Documents
2

Document Format Files

Seq Description Document Type Size
1 SC 13G/A c61727csc13gza.htm SC 13G/A 37408
2 EX-99.1 c61727cexv99w1.htm EX-99.1 3708
  Complete submission text file 0000950123-10-111945.txt   43245
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)

EIN.: 043519872 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address
Business Address 1015 31ST STREET WASHINGTON DC 20007 2022954200
COGENT COMMUNICATIONS GROUP INC (Subject) CIK: 0001158324 (see all company filings)

EIN.: 522337274 | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-78106 | Film No.: 101239551
SIC: 7372 Services-Prepackaged Software