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CIK 0001158324 · Large accelerated filer

COGENT COMMUNICATIONS HOLDINGS, INC.

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Ticker
CCOI
Exchange
Nasdaq
Industry
Communications Services, NEC
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
522337274
Phone
2022954200
Business address
2450 N STREET, NW, WASHINGTON, DC, 20037
Former names
COGENT COMMUNICATIONS GROUP INC
  1. PRE 14C Other PRE 14C
  2. 10-Q/A Report 10-Q/A
  3. 10-Q Report Quarterly Report
  4. DEF 14C Other DEF 14C
  5. 10-K Report Annual Report
  6. 8-K Event Item 9
  7. SC 13G/A Stake Amended Statement of Ownership
  8. SC 13G Stake Amended Statement of Ownership
  9. DEF 14C Other DEF 14C
  10. SC 13G/A Stake Amended Statement of Ownership
  11. PRER14C Other PRER14C
  12. 8-K Event Item 9
  13. PRE 14C Other PRE 14C
  14. RW Other RW
  15. 8-K Event Item 9
  16. 10-Q Report Quarterly Report
  17. POS AM Other Post-effective Amendment for Registration Statement
  18. 8-K Event Item 9
  19. 10-Q Report Quarterly Report
  20. 8-K Event Item 4 · Item 7

Page 125 of 128 · 2,545 filings