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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. 4 Insider Changes in Ownership
  2. 4 Insider Changes in Ownership
  3. 4 Insider Changes in Ownership
  4. 4 Insider Changes in Ownership
  5. 8-K Event Material agreement
  6. 4 Insider Changes in Ownership
  7. 4 Insider Changes in Ownership
  8. 424B5 Offering Prospectus
  9. FWP Offering Free Writing Prospectus
  10. 424B3 Offering Prospectus
  11. 8-K Event Results of operations
  12. 10-Q Report Quarterly Report
  13. SC 13G/A Stake Amended Statement of Ownership
  14. 4 Insider Changes in Ownership
  15. 4 Insider Changes in Ownership
  16. 4 Insider Changes in Ownership
  17. S-3/A Offering Registration Statement
  18. DEF 14A Proxy Proxy Statement
  19. S-3 Offering Registration Statement
  20. 4 Insider Changes in Ownership

Page 114 of 128 · 2,545 filings