Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001395643-25-000005
Filing Date
2025-10-02
Accepted
2025-10-02 13:13:30
Documents
1
Period of Report
2025-09-30

Document Format Files

Seq Description Document Type Size
1 form4-10022025_051027.html 4  
1 form4-10022025_051027.xml 4 3377
  Complete submission text file 0001395643-25-000005.txt   4855
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Issuer) CIK: 0001158324 (see all company filings)

EIN.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 4899 Communications Services, NEC
(CF Office: 06 Technology)

Mailing Address 8717 BURDETTE ROAD BETHESDA MD 20817
Business Address
FERGUSON Lewis H (Reporting) CIK: 0001395643 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-51829 | Film No.: 251367868