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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-15-011452
Filing Date
2015-03-12
Accepted
2015-03-12 13:16:34
Documents
1
Period of Report
2015-03-12

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 3341
  Complete submission text file 0001140361-15-011452.txt   4656
Mailing Address 1015 31ST STREET NW WASHINGTON DC 20007
Business Address 1015 31ST STREET WASHINGTON DC 20007 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Issuer) CIK: 0001158324 (see all company filings)

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

Mailing Address
Business Address
LIEBHABER RICHARD (Reporting) CIK: 0001182381 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-51829 | Film No.: 15695294