# EDGAR Filing Document

**Accession Number:** 0001158324
**File Stem:** 0001104659-26-032752
**Filing Date:** 2026-3
**Character Count:** 1250
**Document Hash:** 8dfa08530c48b2275768378eac125444
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-032752.hdr.sgml**: 20260320

**ACCESSION NUMBER**: 0001104659-26-032752

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260320

**DATE AS OF CHANGE**: 20260320

**EFFECTIVENESS DATE**: 20260320

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COGENT COMMUNICATIONS HOLDINGS, INC.
- **CENTRAL INDEX KEY:** 0001158324
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMUNICATION SERVICES, NEC [4899]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 522337274
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-51829
- **FILM NUMBER:** 26778650

**BUSINESS ADDRESS:**
- **STREET 1:** 2450 N STREET, NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20037
- **BUSINESS PHONE:** 2022954200

**MAIL ADDRESS:**
- **STREET 1:** 2450 N STREET, NW
- **CITY:** WASHINGTON
- **STATE:** DC
- **ZIP:** 20037

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COGENT COMMUNICATIONS GROUP INC
- **DATE OF NAME CHANGE:** 20010828

### Attached PDF Documents

**Attachment 1:** `tm262988d2_ars.pdf`

_No text found in this document._