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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001140361-18-010194
Filing Date
2018-02-26
Accepted
2018-02-26 17:27:32
Documents
1
Period of Report
2018-02-26

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 3373
  Complete submission text file 0001140361-18-010194.txt   4685
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Issuer) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 4899 Communications Services, NEC

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

Type: 4 | Act: 34 | File No.: 000-51829 | Film No.: 18641838