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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
COGENT COMMUNICATIONS HOLDINGS INC: CCOI
Price: 1/10/25 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$71.73 $86.76 $50.80 $3,517 49 407 5.6% 10.1% 96.70% 9.75%
Exch Sector Industry Sub-Industry
NasdaqGS Services Business Services Services- Prepackaged Software
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
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
Input Date
1
    
 
FERGUSON LEWIS H
DIR
JB
---
1,675
---
7/1/24
---
---
19,298
9.5
D
---
7/2/24 - 2:11:18 pm
2
    
 
BATH BLAKE
DIR
JB
---
1,675
---
7/1/24
---
---
14,768
12.8
D
---
7/2/24 - 10:34:48 am
3
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,675
---
7/1/24
---
---
11,766
16.6
D
---
7/2/24 - 10:33:07 am
4
    
 
BROOKS STEVEN D
DIR
JB
---
1,675
---
7/1/24
---
---
40,593
4.3
D
---
7/2/24 - 10:29:02 am
5
    
 
DE SA PAUL
DIR
JB
---
1,675
---
7/1/24
---
---
15,093
12.5
D
---
7/1/24 - 4:58:01 pm
6
    
 
HOWARD EVE N
DIR
JB
---
1,675
---
7/1/24
---
---
12,107
16.1
D
---
7/1/24 - 4:21:33 pm
7
    
 
MONTAGNER MARC
DIR
JB
---
1,675
---
7/1/24
---
---
81,143
2.1
D
---
7/1/24 - 4:01:59 pm
8
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$3,106,830
60,000
---
6/14/24
---
$51.78
4,433,038
-1.3
D
---
6/17/24 - 10:22:53 am
9
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$3,276,000
60,000
---
6/12/24
---
$54.60
4,493,038
-1.3
D
---
6/13/24 - 11:13:11 am
10
1y
2
100%
19%
2
MONTAGNER MARC
DIR
B
$526,130
10,000
---
6/11/24
---
$52.61
79,468
14.4
D
---
6/11/24 - 4:38:54 pm
11
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$126,252
2,400
---
6/10/24
---
$52.60
93,300
-2.5
D
---
6/10/24 - 1:50:05 pm
12
1y
68
37%
7%
1
KILMER HENRY W
VP
S
$134,400
2,400
---
6/6/24
---
$56.00
38,600
-5.9
D
---
6/7/24 - 10:16:49 am
13
1y
37
27%
11%
1
BUBECK JAMES
O
AS
$113,221
1,920
---
6/3/24
---
$58.97
52,902
-3.5
D
10b
6/4/24 - 4:16:42 pm
14
    
 
KENNEDY SHERYL LYNN
DIR
S
$94,782
1,640
---
5/23/24
---
$57.79
10,091
-14.0
D
---
5/23/24 - 4:58:20 pm
15
1y
22
41%
11%
1
FERGUSON LEWIS H
DIR
S
$117,802
2,000
---
5/21/24
---
$58.90
17,623
-10.2
D
---
5/22/24 - 6:11:45 pm
16
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,972,000
50,000
---
5/13/24
---
$59.44
4,553,038
-1.1
D
---
5/14/24 - 4:42:04 pm
17
    
 
HOWELL DENEEN C
DIR
JB
---
1,370
---
4/1/24
---
---
11,956
12.9
D
---
4/1/24 - 2:29:41 pm
18
    
 
HOWARD EVE N
DIR
JB
---
1,370
---
4/1/24
---
---
10,432
15.1
D
---
4/1/24 - 2:28:07 pm
19
    
 
FERGUSON LEWIS H
DIR
JB
---
1,370
---
4/1/24
---
---
19,623
7.5
D
---
4/1/24 - 12:47:23 pm
20
    
 
MONTAGNER MARC
DIR
JB
---
1,370
---
4/1/24
---
---
69,468
2.0
D
---
4/1/24 - 12:45:39 pm
21
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,370
---
4/1/24
---
---
11,731
13.2
D
---
4/1/24 - 12:43:54 pm
22
    
 
DE SA PAUL
DIR
JB
---
1,370
---
4/1/24
---
---
13,418
11.4
D
---
4/1/24 - 12:41:28 pm
23
    
 
BROOKS STEVEN D
DIR
JB
---
1,370
---
4/1/24
---
---
38,918
3.6
D
---
4/1/24 - 12:39:28 pm
24
    
 
BATH BLAKE
DIR
JB
---
1,370
---
4/1/24
---
---
13,093
11.7
D
---
4/1/24 - 12:37:14 pm
25
    
 
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
JS
---
50,165
---
4/1/24
---
---
4,603,038
-1.1
D
---
4/1/24 - 12:35:11 pm
26
    
 
BROOKS STEVEN D
DIR
JS
---
300
---
3/22/24
---
---
38,618
-0.8
D
---
4/2/24 - 12:09:55 pm
27
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$1,680,633
26,174
---
3/15/24
---
$64.21
4,653,203
-0.6
D
---
3/18/24 - 11:12:26 am
28
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,025,600
30,000
---
3/13/24
---
$67.52
4,679,377
-0.6
D
---
3/15/24 - 9:19:20 am
29
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$163,608
2,400
---
3/12/24
---
$68.17
95,700
-2.4
D
A
3/14/24 - 11:03:24 am
30
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$3,406,000
50,000
---
3/12/24
---
$68.12
4,709,377
-1.1
D
A
3/14/24 - 10:58:05 am
31
    
 
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
JS
$3,406,000
50,000
---
3/12/24
---
$68.12
4,709,377
-1.1
D
---
3/12/24 - 5:29:59 pm
32
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,377,550
35,000
---
3/11/24
---
$67.93
4,759,377
-0.7
D
A
3/14/24 - 10:53:42 am
33
    
 
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
JS
$2,377,550
35,000
---
3/11/24
---
$67.93
4,759,377
-0.7
D
---
3/12/24 - 1:01:33 pm
34
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$640,326
8,826
---
3/6/24
---
$72.55
4,815,764
-0.2
D
---
3/8/24 - 12:00:01 pm
35
    
 
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
JS
---
21,387
---
3/6/24
---
---
4,794,377
-0.4
D
---
3/8/24 - 12:00:01 pm
36
1y
68
37%
7%
1
KILMER HENRY W
VP
S
$176,339
2,400
---
3/5/24
---
$73.47
41,000
-5.5
D
---
3/6/24 - 9:38:29 am
37
1y
37
27%
11%
1
BUBECK JAMES
O
AS
$147,108
1,920
---
3/1/24
---
$76.62
54,822
-3.4
D
10b
3/4/24 - 5:29:24 pm
38
    
 
CHANG JOHN B
VP,LO
JS
---
375
---
2/1/24
---
---
75,035
-0.5
D
---
2/1/24 - 5:17:48 pm
39
    
 
CHANG JOHN B
VP,LO
JB
---
375
---
2/1/24
---
---
375
New
I
---
2/1/24 - 5:17:48 pm
40
    
 
CHANG JOHN B
VP,LO
JB
---
39,600
---
1/3/24
---
---
75,410
110.6
D
A,R
1/30/24 - 12:09:27 pm
41
    
 
BUBECK JAMES
O
JB
---
19,600
---
1/3/24
---
---
56,742
52.8
D
R
1/5/24 - 2:40:36 pm
42
    
 
KILMER HENRY W
VP
JB
---
14,600
---
1/3/24
---
---
43,400
50.7
D
R
1/5/24 - 1:03:44 pm
43
    
 
WEED THADDEUS GERARD
VP,CFO
JB
---
49,400
---
1/3/24
---
---
98,100
101.4
D
R
1/5/24 - 12:35:59 pm
44
    
 
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
JB
---
180,000
---
1/3/24
---
---
4,920,590
3.8
D
R
1/5/24 - 12:20:15 pm
45
    
 
CHANG JOHN B
VP,LO
JB
---
39,600
---
1/3/24
---
---
77,910
103.4
D
R
1/5/24 - 12:14:47 pm
46
    
 
BROOKS STEVEN D
DIR
JB
---
1,403
---
1/1/24
---
---
37,548
3.9
D
A
1/3/24 - 2:32:33 pm
47
    
 
FERGUSON LEWIS H
DIR
JB
---
1,403
---
1/1/24
---
---
18,253
8.3
D
---
1/3/24 - 2:19:26 pm
48
    
 
HOWARD EVE N
DIR
JB
---
1,403
---
1/1/24
---
---
9,062
18.3
D
---
1/3/24 - 2:14:03 pm
49
    
 
DE SA PAUL
DIR
JB
---
1,403
---
1/1/24
---
---
12,048
13.2
D
---
1/3/24 - 9:33:40 am
50
    
 
HOWELL DENEEN C
DIR
JB
---
1,403
---
1/1/24
---
---
10,586
15.3
D
---
1/3/24 - 9:32:55 am
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