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Form 144 - Report of proposed sale of securities:
SEC Accession No. 0001966249-23-000018
Filing Date
2023-12-21
Accepted
2023-12-21 18:32:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 144  
1 primary_doc.xml 144 3974
  Complete submission text file 0001966249-23-000018.txt   5479
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)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 144 | Act: 33 | File No.: 000-51829 | Film No.: 231506742
SIC: 4899 Communications Services, NEC
(CF Office: 06 Technology)

Mailing Address 2450 N ST NW 4TH FLOOR WASHINGTON DC 20037
Business Address
Chang John B. (Reporting) CIK: 0001775672 (see all company filings)

Type: 144