1,328 filings
Page 52 of 67
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CCOI
Cogent Communications Holdings, Inc.
1 Apr 15
COGENT COMMUNICATIONS / RICHARD LIEBHABER ownership change
12:00am
DEFA14A
CCOI
Cogent Communications Holdings, Inc.
1 Apr 15
Additional proxy soliciting materials
12:00am
DEFA14A
CCOI
Cogent Communications Holdings, Inc.
30 Mar 15
Additional proxy soliciting materials
12:00am
8-K/A
CCOI
Cogent Communications Holdings, Inc.
30 Mar 15
In the Court of Chancery of the State of Delaware
12:00am
DEF 14A
CCOI
Cogent Communications Holdings, Inc.
Definitive proxy
19 Mar 15
12:00am
UPLOAD
CCOI
Cogent Communications Holdings, Inc.
19 Mar 15
Letter from SEC
12:00am
PRER14A
CCOI
Cogent Communications Holdings, Inc.
19 Mar 15
Preliminary revised proxy
12:00am
UPLOAD
CCOI
Cogent Communications Holdings, Inc.
19 Mar 15
Letter from SEC
12:00am
CORRESP
CCOI
Cogent Communications Holdings, Inc.
18 Mar 15
Correspondence with SEC
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
16 Mar 15
COGENT COMMUNICATIONS / THADDEUS GERARD WEED ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
13 Mar 15
COGENT COMMUNICATIONS / Ernest Ortega ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
12 Mar 15
COGENT COMMUNICATIONS / RICHARD LIEBHABER ownership change
12:00am
PRE 14A
CCOI
Cogent Communications Holdings, Inc.
9 Mar 15
Preliminary proxy
12:00am
10-K
2014 FY
CCOI
Cogent Communications Holdings, Inc.
Annual report
27 Feb 15
12:00am
8-K
CCOI
Cogent Communications Holdings, Inc.
25 Feb 15
Results of Operations and Financial Condition
12:00am
8-K
CCOI
Cogent Communications Holdings, Inc.
20 Feb 15
Entry into a Material Definitive Agreement
12:00am
SC 13G/A
CCOI
Cogent Communications Holdings, Inc.
13 Feb 15
Cogent Communications Holdings, Inc.
12:00am
SC 13G
FMR LLC
13 Feb 15
Cogent Communications Holdings, Inc.
12:00am
SC 13G/A
CCOI
Cogent Communications Holdings, Inc.
12 Feb 15
Cogent Communications Holdings, Inc.
12:00am
SC 13G/A
Columbia Wanger Asset Management LLC
11 Feb 15
Cogent Communications Holdings, Inc.
12:00am