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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-21-050407
Filing Date
2021-04-15
Accepted
2021-04-14 21:25:43
Documents
1

Document Format Files

Seq Description Document Type Size
1 DEFA14A tm2112980d2_defa14a.htm DEFA14A 41622
  Complete submission text file 0001104659-21-050407.txt   42682
Mailing Address 2450 N STREET, NW WASHINGTON DC 20037
Business Address 2450 N STREET, NW WASHINGTON DC 20037 2022954200
COGENT COMMUNICATIONS HOLDINGS, INC. (Filer) CIK: 0001158324 (see all company filings)

IRS No.: 522337274 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 000-51829 | Film No.: 21827112
SIC: 4899 Communications Services, NEC