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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001047469-17-000932
Filing Date
2017-02-24
Accepted
2017-02-24 10:12:47
Documents
88
Period of Report
2016-12-31

Document Format Files

Seq Description Document Type Size
1 10-K a2230971z10-k.htm 10-K 1227234
2 EX-21.1 a2230971zex-21_1.htm EX-21.1 23639
3 EX-23.1 a2230971zex-23_1.htm EX-23.1 3950
4 EX-31.1 a2230971zex-31_1.htm EX-31.1 8614
5 EX-31.2 a2230971zex-31_2.htm EX-31.2 7848
6 EX-32.1 a2230971zex-32_1.htm EX-32.1 4708
7 EX-32.2 a2230971zex-32_2.htm EX-32.2 4704
14 G396900.JPG g396900.jpg GRAPHIC 39069
  Complete submission text file 0001047469-17-000932.txt   8207463

Data Files

Seq Description Document Type Size
8 EX-101.INS ccoi-20161231.xml EX-101.INS 2000150
9 EX-101.SCH ccoi-20161231.xsd EX-101.SCH 61440
10 EX-101.CAL ccoi-20161231_cal.xml EX-101.CAL 74421
11 EX-101.LAB ccoi-20161231_lab.xml EX-101.LAB 621360
12 EX-101.PRE ccoi-20161231_pre.xml EX-101.PRE 494596
13 EX-101.DEF ccoi-20161231_def.xml EX-101.DEF 273521
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Filer) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-51829 | Film No.: 17635155
SIC: 4899 Communications Services, NEC
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