SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001104659-21-064522
Filing Date
2021-05-11
Accepted
2021-05-11 16:06:33
Documents
13
Period of Report
2021-05-07
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K tm2115709d1_8k.htm   iXBRL 8-K 39336
2 EXHIBIT 4.1 tm2115709d1_ex4-1.htm EX-4.1 1121163
  Complete submission text file 0001104659-21-064522.txt   1541720

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA ccoi-20210507.xsd EX-101.SCH 3187
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE ccoi-20210507_lab.xml EX-101.LAB 34592
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE ccoi-20210507_pre.xml EX-101.PRE 22711
6 EXTRACTED XBRL INSTANCE DOCUMENT tm2115709d1_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.: 21911284
SIC: 4899 Communications Services, NEC