The following table details the trading activities
(stock purchases, stock sales, and stock option exercises)
reported to the Securities and Exchange Commission (SEC)
by insider Schleifer Mark A since year 2005.
The trader's CIK number is 1166940.
At the time of this reporting, Schleifer Mark A is the VP of IP Engineering of Cogent Communications Group Inc .
(stock ticker symbol COI).
See this page for all insider trading activities at Cogent Communications Group Inc .
Stock purchases, sales, and option exercises reported by insider Schleifer Mark A since 2005.
Trade Date
Symbol
Company Name (Issuer)
Trade Type
Shares
Price ($)
Value ($)
2008-06-20
CCOI
Cogent Communications Group Inc
Option Exercise
599
.00
0
2008-06-20
CCOI
Cogent Communications Group Inc
Sale
599
14.89
8,919
2008-06-06
CCOI
Cogent Communications Group Inc
Option Exercise
1,250
4.88
6,100
2008-06-06
CCOI
Cogent Communications Group Inc
Sale
1,250
14.64
18,302
2008-03-20
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2008-03-20
CCOI
Cogent Communications Group Inc
Sale
600
18.64
11,184
2007-12-20
CCOI
Cogent Communications Group Inc
Sale
600
22.80
13,681
2007-12-20
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2007-12-13
CCOI
Cogent Communications Group Inc
Option Exercise
841
2.44
2,052
2007-12-13
CCOI
Cogent Communications Group Inc
Sale
841
21.96
18,469
2007-09-20
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2007-09-20
CCOI
Cogent Communications Group Inc
Sale
600
25.24
15,144
2007-08-20
CCOI
Cogent Communications Group Inc
Option Exercise
625
4.88
3,050
2007-08-20
CCOI
Cogent Communications Group Inc
Sale
625
24.78
15,486
2007-06-21
CCOI
Cogent Communications Group Inc
Sale
600
29.29
17,574
2007-06-21
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2007-06-08
CCOI
Cogent Communications Group Inc
Sale
625
25.77
16,106
2007-06-08
CCOI
Cogent Communications Group Inc
Option Exercise
625
4.88
3,050
2007-03-20
CCOI
Cogent Communications Group Inc
Option Exercise
4,350
2.44
10,614
2007-03-20
CCOI
Cogent Communications Group Inc
Sale
4,350
23.54
102,399
2006-12-20
CCOI
Cogent Communications Group Inc
Sale
600
15.55
9,330
2006-12-20
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2006-09-25
CCOI
Cogent Communications Group Inc
Option Exercise
600
.00
0
2006-09-25
CCOI
Cogent Communications Group Inc
Sale
1,691
10.57
17,873
2006-09-26
CCOI
Cogent Communications Group Inc
Sale
600
10.57
6,342
2006-03-20
CCOI
Cogent Communications Group Inc
Sale
5,400
9.11
49,204
2005-12-08
COI
Cogent Communications Group Inc
Sale
19,481
5.82
113,476
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Schleifer Mark A
(VP of IP Engineering of Cogent Communications Group Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.