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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: 3/28/25 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
$61.57 $86.76 $50.80 $3,040 49 391 6.5% 12.1% 95.50% 10.01%
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
    
 
HOWELL DENEEN C
DIR
JB
---
1,433
---
10/1/23
---
---
9,183
18.5
D
---
10/3/23 - 10:03:06 am
2
    
 
FERGUSON LEWIS H
DIR
JB
---
1,433
---
10/1/23
---
---
17,800
8.8
D
---
10/3/23 - 10:02:29 am
3
    
 
BROOKS STEVEN D
DIR
JB
---
1,433
---
10/1/23
---
---
36,145
4.1
D
---
10/3/23 - 10:01:31 am
4
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,433
---
10/1/23
---
---
9,883
17.0
D
---
10/3/23 - 10:00:37 am
5
    
 
BATH BLAKE
DIR
JB
---
1,433
---
10/1/23
---
---
28,320
5.3
D
---
10/3/23 - 9:59:58 am
6
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$1,197,364
18,191
---
9/15/23
---
$65.82
4,840,590
-0.4
D
---
9/18/23 - 4:51:29 pm
7
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$3,009,039
45,000
9/12/23
9/13/23
---
$66.70
4,858,781
-0.9
D
---
9/14/23 - 9:53:35 am
8
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$3,045,470
45,000
9/8/23
9/11/23
---
$67.16
4,903,781
-0.9
D
---
9/12/23 - 1:24:21 pm
9
1y
69
38%
7%
1
KILMER HENRY W
VP
S
$165,984
2,400
---
9/7/23
---
$69.16
31,200
-7.1
D
---
9/8/23 - 12:57:11 pm
10
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$336,736
4,850
---
9/5/23
---
$69.43
53,550
-8.3
D
---
9/5/23 - 2:33:54 pm
11
1y
38
26%
11%
1
BUBECK JAMES
O
AS
$136,242
1,920
---
9/1/23
---
$70.96
38,582
-4.7
D
10b
9/5/23 - 12:57:20 pm
12
1y
22
41%
11%
1
FERGUSON LEWIS H
DIR
S
$45,266
650
---
8/29/23
---
$69.64
16,367
-3.8
D
---
8/29/23 - 3:12:02 pm
13
    
 
KENNEDY SHERYL LYNN
DIR
S
$37,865
550
---
8/24/23
---
$68.85
8,450
-6.1
D
---
8/25/23 - 12:01:07 pm
14
    
 
KAPP DAVID ALLEN
VP,CTO
S
$602,898
9,000
8/10/23
8/11/23
$65.32
$69.07
6,600
-57.7
D
---
8/14/23 - 4:15:09 pm
15
    
 
DANIELSON JEFFREY S
VP
3
---
---
---
8/2/23
---
---
16,000
---
D
R
8/3/23 - 2:41:26 pm
16
    
 
HOWELL DENEEN C
DIR
JB
---
1,435
---
7/1/23
---
---
7,750
22.7
D
---
7/6/23 - 9:36:18 am
17
    
 
HOWARD EVE N
DIR
JB
---
1,435
---
7/1/23
---
---
6,226
30.0
D
---
7/5/23 - 2:44:52 pm
18
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,435
---
7/1/23
---
---
9,000
19.0
D
---
7/5/23 - 11:11:24 am
19
    
 
BROOKS STEVEN D
DIR
JB
---
1,435
---
7/1/23
---
---
34,712
4.3
D
---
7/5/23 - 11:09:59 am
20
    
 
BATH BLAKE
DIR
JB
---
1,435
---
7/1/23
---
---
26,887
5.6
D
---
7/5/23 - 11:09:20 am
21
    
 
MONTAGNER MARC
O
JB
---
1,435
---
7/1/23
---
---
75,812
1.9
D
---
7/5/23 - 10:36:03 am
22
    
 
FERGUSON LEWIS H
DIR
JB
---
1,435
---
7/1/23
---
---
17,017
9.2
D
---
7/5/23 - 10:34:25 am
23
    
 
DE SA PAUL
DIR
JB
---
1,435
---
7/1/23
---
---
9,212
18.5
D
---
7/3/23 - 4:36:11 pm
24
1y
17
35%
13%
2
BROOKS STEVEN D
DIR
S
$273,130
4,202
---
6/14/23
---
$65.00
33,277
-11.2
D
---
6/16/23 - 3:57:15 pm
25
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$440,878
7,061
---
6/8/23
---
$62.44
4,948,781
-0.1
D
---
6/8/23 - 5:57:17 pm
26
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$4,231,373
67,939
6/6/23
6/7/23
$62.25
$62.30
4,955,842
-1.4
D
---
6/8/23 - 4:27:54 pm
27
1y
69
38%
7%
1
KILMER HENRY W
VP
S
$149,352
2,400
---
6/6/23
---
$62.23
33,600
-6.7
D
---
6/7/23 - 4:42:36 pm
28
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$302,035
4,850
---
6/5/23
---
$62.28
58,400
-7.7
D
---
6/5/23 - 4:28:28 pm
29
1y
38
26%
11%
1
BUBECK JAMES
O
AS
$117,250
1,920
---
6/1/23
---
$61.07
40,502
-4.5
D
10b
6/2/23 - 2:19:40 pm
30
    
 
KENNEDY SHERYL LYNN
DIR
S
$69,451
1,100
---
5/30/23
---
$63.14
7,565
-12.7
D
---
6/1/23 - 2:14:18 pm
31
1y
22
41%
11%
1
FERGUSON LEWIS H
DIR
S
$40,470
640
---
5/30/23
---
$63.23
15,582
-3.9
D
---
5/31/23 - 2:19:41 pm
32
1y
17
35%
13%
2
BROOKS STEVEN D
DIR
S
$246,875
3,798
---
5/11/23
---
$65.00
37,479
-9.2
D
---
5/12/23 - 4:16:15 pm
33
1y
15
20%
21%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,288,370
35,000
---
5/10/23
---
$65.38
5,023,781
-0.7
D
---
5/12/23 - 4:15:41 pm
34
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$649,600
10,000
---
5/9/23
---
$64.96
63,250
-13.7
D
---
5/10/23 - 1:10:36 pm
35
1y
24
58%
-4%
1
CHANG JOHN B
VP,LO
AS
$365,000
5,000
---
5/3/23
$72.00
$74.00
42,360
-10.6
D
10b
5/4/23 - 12:08:15 pm
36
    
 
O CONNOR GREG W
VP,COO
JB
---
16,000
---
5/3/23
---
---
16,000
New
D
R
5/3/23 - 3:14:29 pm
37
    
 
O CONNOR GREG W
VP,COO
3
---
---
---
5/3/23
---
---
---
---
---
---
5/3/23 - 3:11:25 pm
38
1y
24
58%
-4%
1
CHANG JOHN B
VP,LO
AS
$35,000
500
---
4/17/23
---
$70.00
47,360
-1.0
D
10b
4/18/23 - 2:41:29 pm
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