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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-21-057430
Filing Date
2021-04-29
Accepted
2021-04-29 14:37:20
Documents
12
Period of Report
2021-04-29
Items
Item 5.07: Submission of Matters to a Vote of Security Holders
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2113950d3_8k.htm   iXBRL 8-K 33419
  Complete submission text file 0001104659-21-057430.txt   206435

Data Files

Seq Description Document Type Size
2 XBRL TAXONOMY EXTENSION SCHEMA ccoi-20210429.xsd EX-101.SCH 3187
3 XBRL TAXONOMY EXTENSION LABEL LINKBASE ccoi-20210429_lab.xml EX-101.LAB 34592
4 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ccoi-20210429_pre.xml EX-101.PRE 22711
5 EXTRACTED XBRL INSTANCE DOCUMENT tm2113950d3_8k_htm.xml XML 3521
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.: 21869620
SIC: 4899 Communications Services, NEC