1,332 filings
Page 49 of 67
4
CCOI
Cogent Communications Holdings, Inc.
4 Jan 16
COGENT COMMUNICATIONS / TIMOTHY G ONEILL ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
18 Dec 15
COGENT COMMUNICATIONS / RAYMOND B KUMMER ownership change
12:00am
UPLOAD
CCOI
Cogent Communications Holdings, Inc.
14 Dec 15
Letter from SEC
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
3 Dec 15
COGENT COMMUNICATIONS / HENRY W KILMER ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
2 Dec 15
COGENT COMMUNICATIONS / TIMOTHY G ONEILL ownership change
12:00am
4
Robert N Beury JR
2 Dec 15
COGENT COMMUNICATIONS / ROBERT N BEURY JR ownership change
12:00am
CORRESP
CCOI
Cogent Communications Holdings, Inc.
24 Nov 15
Correspondence with SEC
12:00am
UPLOAD
CCOI
Cogent Communications Holdings, Inc.
16 Nov 15
Letter from SEC
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
9 Nov 15
COGENT COMMUNICATIONS / THADDEUS GERARD WEED ownership change
12:00am
8-K
CCOI
Cogent Communications Holdings, Inc.
5 Nov 15
Results of Operations and Financial Condition
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
5 Nov 15
COGENT COMMUNICATIONS / HENRY W KILMER ownership change
12:00am
4
Robert N Beury JR
2 Nov 15
COGENT COMMUNICATIONS / ROBERT N BEURY JR ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
2 Nov 15
COGENT COMMUNICATIONS / TIMOTHY G ONEILL ownership change
12:00am
SC 13G/A
Columbia Wanger Asset Management LLC
5 Oct 15
Cogent Communications Holdings, Inc.
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
5 Oct 15
COGENT COMMUNICATIONS / HENRY W KILMER ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
2 Oct 15
COGENT COMMUNICATIONS / TIM WEINGARTEN ownership change
12:00am
4
Blake Bath
2 Oct 15
COGENT COMMUNICATIONS / Blake Bath ownership change
12:00am
4
CCOI
Cogent Communications Holdings, Inc.
2 Oct 15
COGENT COMMUNICATIONS / TIMOTHY G ONEILL ownership change
12:00am
3
CCOI
Cogent Communications Holdings, Inc.
1 Oct 15
COGENT COMMUNICATIONS / JAMES BUBECK ownership change
12:00am