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Detailed Insider History For:
'SCHAEFFER DAVE'
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Insider Statistics
T N H M S
Insider Title
Company Name
Ticker
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
SIC Code
SIC Sector
SIC Industry
SIC Sub-Industry
Input Date
1
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS*
$22,519,998
818,909
---
8/8/25
---
$27.50
697,143
-54.0
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
8/11/25 - 5:11:55 pm
2
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS*
$60,005,808
1,840,669
---
8/7/25
---
$32.60
1,516,052
-54.8
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
8/8/25 - 5:03:29 pm
3
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,297,609
70,000
---
6/16/25
---
$47.05
3,356,721
-2.0
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/16/25 - 4:53:17 pm
4
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,607,204
55,000
---
6/13/25
---
$47.34
3,426,721
-1.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/16/25 - 10:03:22 am
5
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,632,372
55,000
---
6/12/25
---
$47.83
3,481,721
-1.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/12/25 - 5:29:08 pm
6
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,668,135
55,000
---
6/11/25
---
$48.35
3,536,721
-1.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/12/25 - 10:11:07 am
7
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,677,490
55,000
---
6/10/25
---
$48.63
3,591,721
-1.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/10/25 - 6:15:38 pm
8
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,675,347
55,000
---
6/9/25
$48.51
$48.99
3,646,721
-1.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/9/25 - 6:23:12 pm
9
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,822,124
80,000
---
6/6/25
---
$47.78
3,701,721
-2.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/9/25 - 4:48:07 pm
10
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,547,316
75,000
---
6/5/25
$47.29
$47.31
3,781,721
-1.9
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/9/25 - 9:09:57 am
11
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,581,983
75,000
---
6/4/25
---
$47.76
3,856,721
-1.9
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/5/25 - 5:08:36 pm
12
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,052,867
65,000
---
6/3/25
---
$46.86
3,931,721
-1.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/4/25 - 4:06:40 pm
13
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,011,141
65,000
---
6/2/25
---
$46.13
3,996,721
-1.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/3/25 - 4:28:59 pm
14
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,147,425
25,000
---
5/30/25
---
$45.90
4,061,721
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/2/25 - 4:08:04 pm
15
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,172,593
25,000
---
5/29/25
---
$46.90
4,086,721
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/30/25 - 4:03:18 pm
16
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$948,174
20,000
---
5/28/25
---
$47.41
4,111,721
-0.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/29/25 - 4:30:50 pm
17
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$973,322
20,000
---
5/27/25
---
$48.67
4,131,721
-0.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/28/25 - 4:29:57 pm
18
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,173,318
25,000
---
5/23/25
---
$46.93
4,151,721
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/27/25 - 4:13:43 pm
19
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,156,768
25,000
---
5/22/25
---
$46.27
4,176,721
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/23/25 - 4:02:52 pm
20
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,872,248
40,000
---
5/21/25
---
$46.81
4,201,721
-0.9
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/22/25 - 4:25:25 pm
21
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$749,348
15,000
---
5/20/25
---
$49.96
4,241,721
-0.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/21/25 - 4:20:31 pm
22
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$764,925
15,000
---
5/16/25
---
$50.99
4,256,721
-0.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/19/25 - 4:21:56 pm
23
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,015,036
40,000
---
5/15/25
---
$50.38
4,271,721
-0.9
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/16/25 - 4:04:46 pm
24
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,519,140
30,000
---
5/14/25
---
$50.64
4,311,721
-0.7
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/15/25 - 4:12:04 pm
25
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,720,232
54,000
5/12/25
5/13/25
$50.10
$50.45
4,341,721
-1.2
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/14/25 - 4:17:51 pm
26
    
 
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
48,317
---
4/4/25
---
---
4,395,721
-1.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
4/4/25 - 4:09:32 pm
27
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$4,305,978
60,000
---
3/4/25
---
$71.77
4,444,038
-1.3
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/5/25 - 4:40:00 pm
28
    
 
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
180,000
---
1/14/25
---
---
4,504,038
4.2
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/15/25 - 4:32:31 pm
29
    
 
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
$1,517,548
20,000
---
12/16/24
---
$75.88
4,228,038
-0.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/17/24 - 4:03:22 pm
30
1y
20
40%
9%
1
CB,CEO,PR,DIR
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$4,999,480
60,000
11/25/24
11/26/24
---
$82.69
4,248,038
-1.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
11/27/24 - 4:01:31 pm
31
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$4,663,555
65,000
---
9/10/24
---
$71.75
4,308,038
-1.5
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
9/11/24 - 4:18:05 pm
32
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$4,368,960
60,000
---
8/27/24
---
$72.82
4,373,038
-1.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
8/28/24 - 12:00:03 pm
33
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,106,830
60,000
---
6/14/24
---
$51.78
4,433,038
-1.3
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/17/24 - 10:22:53 am
34
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,276,000
60,000
---
6/12/24
---
$54.60
4,493,038
-1.3
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
6/13/24 - 11:13:11 am
35
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,972,000
50,000
---
5/13/24
---
$59.44
4,553,038
-1.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
5/14/24 - 4:42:04 pm
36
    
 
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
50,165
---
4/1/24
---
---
4,603,038
-1.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
4/1/24 - 12:35:11 pm
37
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,680,633
26,174
---
3/15/24
---
$64.21
4,653,203
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/18/24 - 11:12:26 am
38
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,025,600
30,000
---
3/13/24
---
$67.52
4,679,377
-0.6
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/15/24 - 9:19:20 am
39
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$3,406,000
50,000
---
3/12/24
---
$68.12
4,709,377
-1.1
D
A
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/14/24 - 10:58:05 am
40
    
 
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
$3,406,000
50,000
---
3/12/24
---
$68.12
4,709,377
-1.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/12/24 - 5:29:59 pm
41
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,377,550
35,000
---
3/11/24
---
$67.93
4,759,377
-0.7
D
A
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/14/24 - 10:53:42 am
42
    
 
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
$2,377,550
35,000
---
3/11/24
---
$67.93
4,759,377
-0.7
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/12/24 - 1:01:33 pm
43
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$640,326
8,826
---
3/6/24
---
$72.55
4,815,764
-0.2
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/8/24 - 12:00:01 pm
44
    
 
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JS
---
21,387
---
3/6/24
---
---
4,794,377
-0.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
3/8/24 - 12:00:01 pm
45
    
 
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
JB
---
180,000
---
1/3/24
---
---
4,920,590
3.8
D
R
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
1/5/24 - 12:20:15 pm
46
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$1,399,800
20,000
---
12/13/23
---
$69.99
4,740,590
-0.4
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/14/23 - 10:14:20 am
47
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,385,691
36,604
---
12/1/23
---
$65.18
4,760,590
-0.8
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/1/23 - 4:47:31 pm
48
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$218,409
3,396
---
11/30/23
---
$64.31
4,797,194
-0.1
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
12/1/23 - 9:41:30 am
49
1y
20
40%
9%
1
CB,CEO,PR,DIR,BO
COGENT COMMUNICATIONS HOLDINGS INC
CCOI
S
$2,654,800
40,000
---
11/14/23
---
$66.37
4,800,590
-0.8
D
---
4899
Transportation, Communications, Electric, Gas, And Sanitary Services
Communications
Communications Services, N E C
11/16/23 - 4:27:00 pm
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