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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-21-056977
Filing Date
2021-04-29
Accepted
2021-04-29 08:25:36
Documents
14
Period of Report
2021-04-29
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2114584d1_8k.htm   iXBRL 8-K 30928
2 EXHIBIT 99.1 tm2114584d1_ex99-1.htm EX-99.1 12324
3 GRAPHIC tm2114584d1_ex99-1img001.jpg GRAPHIC 4301
  Complete submission text file 0001104659-21-056977.txt   229242

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA ccoi-20210429.xsd EX-101.SCH 3187
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE ccoi-20210429_lab.xml EX-101.LAB 34592
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ccoi-20210429_pre.xml EX-101.PRE 22711
7 EXTRACTED XBRL INSTANCE DOCUMENT tm2114584d1_8k_htm.xml XML 3522
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: 8-K | Act: 34 | File No.: 000-51829 | Film No.: 21867220
SIC: 4899 Communications Services, NEC