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SCHLEIFER MARK A
VP of IP Engineering at COGENT COMMUNICATIONS. Filing since 20 Dec 2006.
CIK 0001166940
Company
Date
Role
Action
Shares
Amount
Of holding
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Dec 2011
VP of IP Engineering
Sold, plan not stated
3,125
$51.81K
100%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
17 Oct 2011
VP of IP Engineering
Sold, plan not stated
3,000
$44.71K
8.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Oct 2011
VP of IP Engineering
Sold, plan not stated
1,250
$16.59K
3.3%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
15 Jul 2011
VP of IP Engineering
Sold, plan not stated
3,000
$50.08K
7.3%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Jul 2011
VP of IP Engineering
Sold, plan not stated
1,250
$21.04K
3.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
15 Apr 2011
VP of IP Engineering
Sold, plan not stated
17,040
$220.14K
28.8%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Apr 2011
VP of IP Engineering
Sold, plan not stated
1,250
$17.90K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
4 Jan 2011
VP of IP Engineering
Sold, plan not stated
1,250
$17.80K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
13 Oct 2010
VP of IP Engineering
Sold, plan not stated
1,250
$12.50K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
11 Oct 2010
VP of IP Engineering
Sold, plan not stated
1,250
$12.50K
1.9%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Apr 2010
VP of IP Engineering
Sold, plan not stated
1,250
$13.04K
12.5%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
3 Mar 2010
VP of IP Engineering
Sold, plan not stated
1,250
$13.16K
11.1%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
9 Oct 2009
VP of IP Engineering
Sold, plan not stated
10,000
$124.63K
47.1%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
1 Jul 2009
VP of IP Engineering
Sold, plan not stated
1,250
$10.27K
5.3%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
30 Apr 2009
VP of IP Engineering
Sold, plan not stated
20,000
$172.60K
45.7%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Apr 2009
VP of IP Engineering
Sold, plan not stated
1,250
$10.26K
2.8%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
2 Jan 2009
VP of IP Engineering
Sold, plan not stated
5,000
$32.40K
10.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Jun 2008
VP of IP Engineering
Sold, plan not stated
599
$8.92K
1.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
6 Jun 2008
VP of IP Engineering
Sold, plan not stated
1,250
$18.30K
2.4%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Mar 2008
VP of IP Engineering
Sold, plan not stated
600
$11.18K
1.2%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Dec 2007
VP of IP Engineering
Sold, plan not stated
600
$13.68K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
13 Dec 2007
VP of IP Engineering
Sold, plan not stated
841
$18.47K
2.7%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Sep 2007
VP of IP Engineering
Sold, plan not stated
600
$15.14K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Aug 2007
VP of IP Engineering
Sold, plan not stated
625
$15.49K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
21 Jun 2007
VP of IP Engineering
Sold, plan not stated
600
$17.57K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
8 Jun 2007
VP of IP Engineering
Sold, plan not stated
625
$16.11K
2.0%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Mar 2007
VP of IP Engineering
Sold, plan not stated
4,350
$103.22K
30.3%
CCOI
COGENT COMMUNICATIONS HOLDINGS, INC.
20 Dec 2006
VP of IP Engineering
Sold, plan not stated
600
$9.33K
5.7%
28 decisions on file.
