SEC Filings
Search SEC EDGAR filings by company ticker and form type
arrow_back
COGENT COMMUNICATIONS HOLDINGS, INC.
S-1/A
9 filings
All S-1/A Filings
Complete history of S-1/A filings with the SEC
| Date Filed | View on EDGAR |
|---|---|
|
06
Jun
Jun 06, 2005
|
open_in_new View Filing |
|
20
May
May 20, 2005
|
open_in_new View Filing |
|
09
May
May 09, 2005
|
open_in_new View Filing |
|
07
Apr
Apr 07, 2005
|
open_in_new View Filing |
|
04
Oct
Oct 04, 2004
|
open_in_new View Filing |
|
01
Jul
Jul 01, 2004
|
open_in_new View Filing |
|
02
Jul
Jul 02, 2002
|
open_in_new View Filing |
|
13
Feb
Feb 13, 2002
|
open_in_new View Filing |
|
12
Feb
Feb 12, 2002
|
open_in_new View Filing |