Form 4/A - Statement of changes in beneficial ownership of securities: [Amend]
SEC Accession No. 0001415889-25-016294
Filing Date
2025-06-09
Accepted
2025-06-09 16:46:59
Documents
1
Period of Report
2024-12-01

Document Format Files

Seq Description Document Type Size
1 form4a-06092025_080645.html 4/A  
1 form4a-06092025_080645.xml 4/A 3952
  Complete submission text file 0001415889-25-016294.txt   5496
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 C/O COGENT COMMUNICATIONS HOLDINGS, INC. 2450 N ST NW, 4TH FLOOR WASHINGTON DC 20037
Business Address
KILMER HENRY W (Reporting) CIK: 0001599812 (see all company filings)

Type: 4/A | Act: 34 | File No.: 000-51829 | Film No.: 251034758