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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. 4 Insider Changes in Ownership
  6. 8-K Event Regulation FD disclosure
  7. SCHEDULE 13G/A Stake Statement of Beneficial Ownership
  8. 4 Insider Changes in Ownership
  9. 144 Insider Sale of Securities
  10. 4 Insider Changes in Ownership
  11. 8-K Event Material agreement
  12. 144 Insider Sale of Securities
  13. 4 Insider Changes in Ownership
  14. 144 Insider Sale of Securities
  15. 8-K Event Material agreement · Other events
  16. SCHEDULE 13G Stake Statement of Beneficial Ownership
  17. 4 Insider Changes in Ownership
  18. 144 Insider Sale of Securities
  19. 4 Insider Changes in Ownership
  20. 8-K Event Executive or director change · Shareholder vote results

Page 2 of 128 · 2,545 filings