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SEC Edgar

COGENT COMMUNICATIONS HOLDINGS, INC.

SIC 4899 · Communication Services, NEC
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$CCOI

COGENT COMMUNICATIONS HOLDINGS, INC.

CIK:0001158324|SEC Filings

PLANS OF ORGANIZATION

EX-2.1
tm2225313d1_ex2-1.htm
2022-09-07T00:00:00Z
EX-2.1
a14-15289_1ex2d1.htm
2014-05-15T00:00:00Z
EX-2.1
a14-12741_2ex2d1.htm
2014-05-15T00:00:00Z
EX-2.8
a05-5648_1ex2d8.htm
2005-03-31T00:00:00Z
EX-2.6
a05-5648_1ex2d6.htm
2005-03-31T00:00:00Z
EX-2.7
a05-5648_1ex2d7.htm
2005-03-31T00:00:00Z
EX-2.9
a05-5648_1ex2d9.htm
2005-03-31T00:00:00Z
EX-2.1
a04-1090_1ex2d1.htm
2004-01-08T00:00:00Z
EX-2.7
a2140175zex-2_7.htm
2004-10-04T00:00:00Z
EX-2.8
a2140175zex-2_8.htm
2004-10-04T00:00:00Z
EX-2.6
a2131238zex-2_6.htm
2004-03-30T00:00:00Z
EX-2.5
a2106111zex-2_5.htm
2003-03-31T00:00:00Z
EX-2.1
a2072019zex-2_1.txt
2002-02-27T00:00:00Z
EX-2.3
a2061792zex-2_3.txt
2001-11-21T00:00:00Z