Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001000275-25-000101
Filing Date
2025-06-16
Accepted
2025-06-16 14:23:28
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 24285
  Complete submission text file 0001000275-25-000101.txt   25826
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Subject) CIK: 0001158324 (see all company filings)

EIN.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 000-51829 | Film No.: 251049374
SIC: 4899 Communications Services, NEC
(CF Office: 06 Technology)

Mailing Address C/O COGENT COMMUNICATIONS HOLDINGS, INC. 2450 N ST NW, 4TH FLOOR WASHINGTON DC 20037
Business Address
SCHAEFFER DAVE (Reporting) CIK: 0001166976 (see all company filings)

Type: 144