# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001410578-25-001105
Filing Date
2025-05-08
Accepted
2025-05-08 11:47:31
Documents
62
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ccoi-20250331x10q.htm iXBRL | 10-Q | 1529489
2 | EX-31.1 | ccoi-20250331xex31d1.htm | EX-31.1 | 13345
3 | EX-31.2 | ccoi-20250331xex31d2.htm | EX-31.2 | 11938
4 | EX-32.1 | ccoi-20250331xex32d1.htm | EX-32.1 | 5677
5 | EX-32.2 | ccoi-20250331xex32d2.htm | EX-32.2 | 5748
| Complete submission text file | 0001410578-25-001105.txt |  | 8673627

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | EX-101.SCH | ccoi-20250331.xsd | EX-101.SCH | 64686
7 | EX-101.CAL | ccoi-20250331_cal.xml | EX-101.CAL | 60540
8 | EX-101.DEF | ccoi-20250331_def.xml | EX-101.DEF | 285908
9 | EX-101.LAB | ccoi-20250331_lab.xml | EX-101.LAB | 579286
10 | EX-101.PRE | ccoi-20250331_pre.xml | EX-101.PRE | 409866
65 | EXTRACTED XBRL INSTANCE DOCUMENT | ccoi-20250331x10q_htm.xml | XML | 1781719

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)

EIN.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-51829 | Film No.: 25924823
SIC: 4899 Communications Services, NEC
(CF Office: 06 Technology)