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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: 7/10/26 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
$12.61 $54.37 $11.43 $631 50 1,340 8.5% 19.9% 102.71% 4.23%
Exch Sector Industry Sub-Industry
NasdaqGS Transportation, Communications, Electric, Gas, And Sanitary Services Communications Communications Services, N E C
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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
1y
27
63%
-10%
1
CHANG JOHN B
VP,LO
S
$183,328
2,280
---
11/12/24
---
$80.41
69,300
-3.2
D
---
11/12/24 - 4:19:28 pm
2
    
 
HOWARD EVE N
DIR
S
$287,070
3,500
---
11/11/24
---
$82.02
10,059
-25.8
D
---
11/14/24 - 1:32:44 pm
3
    
 
KENNEDY SHERYL LYNN
DIR
S
$108,777
1,350
---
11/11/24
---
$80.58
10,318
-11.6
D
---
11/12/24 - 8:46:48 am
4
    
 
BROOKS STEVEN D
DIR
JB
---
1,452
---
10/1/24
---
---
41,745
3.6
D
A
10/22/24 - 5:06:10 pm
5
    
 
HOWARD EVE N
DIR
JB
---
1,452
---
10/1/24
---
---
13,559
12.0
D
---
10/2/24 - 5:51:17 pm
6
    
 
DE SA PAUL
DIR
JB
---
1,452
---
10/1/24
---
---
16,545
9.6
D
---
10/2/24 - 9:53:08 am
7
    
 
HOWELL DENEEN C
DIR
JB
---
1,452
---
10/1/24
---
---
15,083
10.7
D
---
10/2/24 - 9:52:26 am
8
    
 
MONTAGNER MARC
DIR
JB
---
1,452
---
10/1/24
---
---
82,595
1.8
D
---
10/2/24 - 9:51:52 am
9
    
 
BATH BLAKE
DIR
JB
---
1,452
---
10/1/24
---
---
16,220
9.8
D
---
10/1/24 - 5:02:40 pm
10
    
 
FERGUSON LEWIS H
DIR
JB
---
1,452
---
10/1/24
---
---
19,200
8.2
D
---
10/1/24 - 4:51:41 pm
11
    
 
BROOKS STEVEN D
DIR
JB
---
1,452
---
10/1/24
---
---
42,045
3.6
D
---
10/1/24 - 4:50:13 pm
12
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,452
---
10/1/24
---
---
11,668
14.2
D
---
10/1/24 - 4:47:33 pm
13
1y
27
63%
-10%
1
CHANG JOHN B
VP,LO
S
$100,338
1,400
---
9/12/24
---
$71.67
71,580
-1.9
D
---
9/13/24 - 4:45:33 pm
14
1y
45
73%
-32%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$4,663,555
65,000
---
9/10/24
---
$71.75
4,308,038
-1.5
D
---
9/11/24 - 4:18:05 pm
15
    
 
KENNEDY SHERYL LYNN
DIR
S
$110,139
1,550
---
9/10/24
---
$71.06
10,216
-13.2
D
---
9/11/24 - 4:17:26 pm
16
1y
44
36%
1%
1
BUBECK JAMES
O
AS
$133,958
1,920
---
9/4/24
---
$69.77
50,982
-3.6
D
10b
9/5/24 - 4:44:53 pm
17
1y
74
42%
3%
1
KILMER HENRY W
VP
S
$166,824
2,400
---
9/4/24
---
$69.51
36,200
-6.2
D
---
9/5/24 - 4:10:39 pm
18
1y
126
35%
15%
1
WEED THADDEUS GERARD
VP,CFO
S
$167,222
2,400
---
9/3/24
---
$69.68
90,900
-2.6
D
---
9/3/24 - 4:11:00 pm
19
1y
45
73%
-32%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$4,368,960
60,000
---
8/27/24
---
$72.82
4,373,038
-1.4
D
---
8/28/24 - 12:00:03 pm
20
1y
27
63%
-10%
1
CHANG JOHN B
VP,LO
S
$152,070
2,055
---
8/23/24
---
$74.00
72,980
-2.7
D
---
8/26/24 - 4:11:28 pm
21
1y
27
52%
-2%
1
FERGUSON LEWIS H
DIR
S
$112,554
1,550
---
8/22/24
---
$72.62
17,748
-8.0
D
---
8/26/24 - 10:10:52 am
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