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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001567619-21-000015
Filing Date
2021-01-04
Accepted
2021-01-04 12:02:26
Documents
1
Period of Report
2021-01-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 3304
  Complete submission text file 0001567619-21-000015.txt   4753
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)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 4899 Communications Services, NEC

Mailing Address C/O AMERICAN TOWER CORPORATION 116 HUNTINGTON AVENUE BOSTON X1 02116
Business Address
KATZ CAROLYN (Reporting) CIK: 0001212776 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-51829 | Film No.: 21500763