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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001567619-20-013989
Filing Date
2020-07-31
Accepted
2020-07-31 16:52:49
Documents
1
Period of Report
2020-07-31

Document Format Files

Seq Description Document Type Size
1 FORM 4 doc1.html 4  
1 FORM 4 doc1.xml 4 3281
  Complete submission text file 0001567619-20-013989.txt   4706
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 2450 N ST NW 4TH FLOOR WASHINGTON DC 20037
Business Address
Chang John B. (Reporting) CIK: 0001775672 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-51829 | Film No.: 201066640