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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. SC 13D/A Stake Beneficial Ownership Report
  2. SC 13D/A Stake Beneficial Ownership Report
  3. SC 13D/A Stake Beneficial Ownership Report
  4. 4 Insider Changes in Ownership
  5. RW Other RW
  6. 4 Insider Changes in Ownership
  7. 8-K Event Item 7 · Item 9
  8. 4 Insider Changes in Ownership
  9. 4 Insider Changes in Ownership
  10. 4 Insider Changes in Ownership
  11. 8-K/A Event Item 2 · Item 7
  12. 10-K Report Annual Report
  13. 4 Insider Changes in Ownership
  14. 4 Insider Changes in Ownership
  15. 4 Insider Changes in Ownership
  16. 4 Insider Changes in Ownership
  17. 4 Insider Changes in Ownership
  18. 4 Insider Changes in Ownership
  19. 8-K Event Item 2 · Item 7
  20. 10-Q Report Quarterly Report

Page 122 of 128 · 2,545 filings