Company · CIK 1158324 # COGENT COMMUNICATIONS HOLDINGS, INC. | CIK | [1158324](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001158324) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 4899 — Communications Services, NEC | | Incorporated in | DE | | Business address | DC | | Listed | CCOI (Nasdaq) | | First annual or quarterly report | 2002-03-29 | ## Offerings 6 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-144819 | Shelf Effective | 2007-07-24 | 2007-07-24 | 1 | | 333-140155 | Shelf Effective | 2007-01-23 | 2007-03-21 | 2 | | 333-133200 | Shelf Effective | 2006-04-11 | 2006-11-09 | 3 | | 333-122821 | Registered company Final prospectus | 2005-02-14 | 2005-06-08 | 6 | | 333-115589 | Registered company Withdrawn | 2004-05-18 | 2004-10-15 | 4 | | 333-109934 | Registered company Withdrawn | 2003-10-23 | 2004-04-01 | 2 | ## Filings 19 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2007-07-24 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1158324/000110465907055732/0001104659-07-055732-index.htm) Shelf registered | 333-144819 | 0001104659-07-055732 | | 2007-03-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1158324/000110465907020921/0001104659-07-020921-index.htm) Shelf takedown | 333-140155 | 0001104659-07-020921 | | 2007-01-23 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1158324/000104746907000339/0001047469-07-000339-index.htm) Shelf registered | 333-140155 | 0001047469-07-000339 | | 2006-11-09 | [424B5](https://www.sec.gov/Archives/edgar/data/1158324/000104746906013824/0001047469-06-013824-index.htm) Shelf takedown | 333-133200 | 0001047469-06-013824 | | 2006-06-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1158324/000104746906007956/0001047469-06-007956-index.htm) Shelf takedown | 333-133200 | 0001047469-06-007956 | | 2006-04-11 | [S-3](https://www.sec.gov/Archives/edgar/data/1158324/000104746906004950/0001047469-06-004950-index.htm) Shelf registered | 333-133200 | 0001047469-06-004950 | | 2005-06-08 | [424B4](https://www.sec.gov/Archives/edgar/data/1158324/000104746905016798/0001047469-05-016798-index.htm) Final prospectus | 333-122821 | 0001047469-05-016798 | | 2005-06-06 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746905016556/0001047469-05-016556-index.htm) Amendment | 333-122821 | 0001047469-05-016556 | | 2005-05-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746905015444/0001047469-05-015444-index.htm) Amendment | 333-122821 | 0001047469-05-015444 | | 2005-05-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746905013852/0001047469-05-013852-index.htm) Amendment | 333-122821 | 0001047469-05-013852 | | 2005-04-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746905009545/0001047469-05-009545-index.htm) Amendment | 333-122821 | 0001047469-05-009545 | | 2005-02-14 | [S-1](https://www.sec.gov/Archives/edgar/data/1158324/000104746905003768/0001047469-05-003768-index.htm) Registration filed | 333-122821 | 0001047469-05-003768 | | 2004-10-15 | [RW](https://www.sec.gov/Archives/edgar/data/1158324/000104746904031312/0001047469-04-031312-index.htm) Withdrawn | 333-115589 | 0001047469-04-031312 | | 2004-10-04 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746904030365/0001047469-04-030365-index.htm) Amendment | 333-115589 | 0001047469-04-030365 | | 2004-07-01 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1158324/000104746904022356/0001047469-04-022356-index.htm) Amendment | 333-115589 | 0001047469-04-022356 | | 2004-05-18 | [S-1](https://www.sec.gov/Archives/edgar/data/1158324/000104746904017728/0001047469-04-017728-index.htm) Registration filed | 333-115589 | 0001047469-04-017728 | | 2004-04-01 | [RW](https://www.sec.gov/Archives/edgar/data/1158324/000104746904010409/0001047469-04-010409-index.htm) Withdrawn | 333-109934 | 0001047469-04-010409 | | 2003-10-23 | [S-1](https://www.sec.gov/Archives/edgar/data/1158324/000104746903034170/0001047469-03-034170-index.htm) Registration filed | 333-109934 | 0001047469-03-034170 | | 2003-01-14 | [RW](https://www.sec.gov/Archives/edgar/data/1158324/000104746903001372/0001047469-03-001372-index.htm) Withdrawn | 333-81718 | 0001047469-03-001372 | [All filings of this company](https://equitycapital.markets/filings?cik=1158324) · [CSV](https://equitycapital.markets/filings.csv?cik=1158324) --- Source page: https://equitycapital.markets/company/1158324 · Data: U.S. SEC EDGAR · CC BY 4.0