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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-11-056050
Filing Date
2011-12-05
Accepted
2011-12-05 11:20:42
Documents
1
Period of Report
2011-12-02

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 8244
  Complete submission text file 0001140361-11-056050.txt   9413
Mailing Address
Business Address 1015 31ST STREET WASHINGTON DC 20007 2022954200
COGENT COMMUNICATIONS GROUP INC (Issuer) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | Fiscal Year End: 1231
SIC: 7372 Services-Prepackaged Software

Mailing Address 16020 KRUH M RD BURTONSVILLE MD 20866
Business Address
SCHLEIFER MARK A (Reporting) CIK: 0001166940 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-31227 | Film No.: 111242301