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 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
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,403
---
1/1/24
---
---
10,361
15.7
D
---
1/3/24 - 9:31:47 am
2
    
 
BATH BLAKE
DIR
JB
---
1,403
---
1/1/24
---
---
11,723
13.6
D
---
1/3/24 - 9:31:13 am
3
    
 
MONTAGNER MARC
DIR
JB
---
1,403
---
1/1/24
---
---
68,098
2.1
D
---
1/3/24 - 9:30:25 am
4
    
 
BROOKS STEVEN D
DIR
JB
---
1,403
---
1/1/24
---
---
41,224
3.5
D
---
1/3/24 - 9:29:50 am
5
1y
24
58%
-4%
1
CHANG JOHN B
VP,LO
AS
$269,800
3,550
---
12/26/23
---
$76.00
38,310
-8.5
D
10b
12/28/23 - 9:37:30 am
6
1y
24
58%
-4%
1
CHANG JOHN B
VP,LO
AS
$74,000
1,000
---
12/21/23
---
$74.00
41,860
-2.3
D
10b
12/22/23 - 4:26:41 pm
7
    
 
CHANG JOHN B
VP,LO
JS
---
900
---
12/20/23
---
---
42,860
-2.1
D
---
12/20/23 - 4:03:05 pm
8
    
 
CHANG JOHN B
VP,LO
JB
---
900
---
12/20/23
---
---
450
---
I
---
12/20/23 - 4:03:05 pm
9
1y
24
58%
-4%
1
CHANG JOHN B
VP,LO
S
$36,000
500
---
12/14/23
---
$72.00
43,760
-1.1
D
---
12/15/23 - 10:23:11 am
10
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$1,399,800
20,000
---
12/13/23
---
$69.99
4,740,590
-0.4
D
---
12/14/23 - 10:14:20 am
11
    
 
CHANG JOHN B
VP,LO
JS
$207,000
3,000
---
12/11/23
---
$69.00
44,260
-6.3
D
---
12/11/23 - 4:23:35 pm
12
1y
68
37%
7%
1
KILMER HENRY W
VP
S
$326,132
4,800
---
12/7/23
---
$67.94
28,800
-14.3
D
---
12/8/23 - 3:56:14 pm
13
1y
37
27%
11%
1
BUBECK JAMES
O
S
$126,957
1,920
---
12/5/23
---
$66.12
37,142
-4.9
D
---
12/6/23 - 1:49:19 pm
14
1y
119
31%
19%
1
WEED THADDEUS GERARD
VP,CFO
S
$638,646
9,700
---
12/4/23
---
$65.84
48,700
-16.6
D
---
12/4/23 - 11:59:42 am
15
1y
37
27%
11%
1
BUBECK JAMES
O
S
$122,297
1,920
---
12/1/23
---
$63.70
39,062
-4.7
D
---
12/4/23 - 1:46:27 pm
16
    
 
WEED THADDEUS GERARD
VP,CFO
JB
---
4,850
---
12/1/23
---
---
58,400
9.1
D
R
12/4/23 - 9:57:54 am
17
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,385,691
36,604
---
12/1/23
---
$65.18
4,760,590
-0.8
D
---
12/1/23 - 4:47:31 pm
18
    
 
BUBECK JAMES
O
JB
---
2,400
---
12/1/23
---
---
40,982
6.2
D
R
12/1/23 - 4:32:42 pm
19
    
 
KILMER HENRY W
VP
JB
---
2,400
---
12/1/23
---
---
33,600
7.7
D
R
12/1/23 - 11:36:54 am
20
    
 
CHANG JOHN B
VP,LO
JB
---
2,400
---
12/1/23
---
---
47,260
5.3
D
R
12/1/23 - 11:36:16 am
21
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$218,409
3,396
---
11/30/23
---
$64.31
4,797,194
-0.1
D
---
12/1/23 - 9:41:30 am
22
1y
22
41%
11%
1
FERGUSON LEWIS H
DIR
S
$61,365
950
---
11/30/23
---
$64.59
16,850
-5.3
D
---
11/30/23 - 3:04:25 pm
23
    
 
KENNEDY SHERYL LYNN
DIR
S
$60,841
925
---
11/27/23
---
$65.77
8,958
-9.4
D
---
11/27/23 - 4:30:07 pm
24
1y
11
36%
7%
1
BATH BLAKE
DIR
S
$604,251
9,000
---
11/20/23
---
$67.14
10,320
-46.6
D
---
11/21/23 - 11:01:47 am
25
1y
11
36%
7%
1
BATH BLAKE
DIR
S
$579,032
8,621
---
11/17/23
---
$67.17
19,320
-30.9
D
---
11/17/23 - 4:59:44 pm
26
1y
11
36%
7%
1
BATH BLAKE
DIR
S
$25,393
379
---
11/16/23
---
$67.00
27,941
-1.3
D
---
11/17/23 - 11:37:37 am
27
1y
12
25%
24%
1
SCHAEFFER DAVE
CB,CEO,PR,DIR,BO
S
$2,654,800
40,000
---
11/14/23
---
$66.37
4,800,590
-0.8
D
---
11/16/23 - 4:27:00 pm
28
1y
8
38%
7%
2
MONTAGNER MARC
DIR
S
$694,518
10,550
---
11/14/23
---
$65.83
66,695
-13.7
D
---
11/15/23 - 3:20:00 pm
29
    
 
DE SA PAUL
DIR
JB
---
1,433
---
10/1/23
---
---
10,645
15.6
D
---
10/3/23 - 5:19:45 pm
30
    
 
HOWARD EVE N
DIR
JB
---
1,433
---
10/1/23
---
---
7,659
23.0
D
---
10/3/23 - 10:05:15 am
31
    
 
MONTAGNER MARC
DIR
JB
---
1,433
---
10/1/23
---
---
77,245
1.9
D
---
10/3/23 - 10:03:50 am
32
    
 
HOWELL DENEEN C
DIR
JB
---
1,433
---
10/1/23
---
---
9,183
18.5
D
---
10/3/23 - 10:03:06 am
33
    
 
FERGUSON LEWIS H
DIR
JB
---
1,433
---
10/1/23
---
---
17,800
8.8
D
---
10/3/23 - 10:02:29 am
34
    
 
BROOKS STEVEN D
DIR
JB
---
1,433
---
10/1/23
---
---
36,145
4.1
D
---
10/3/23 - 10:01:31 am
35
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,433
---
10/1/23
---
---
9,883
17.0
D
---
10/3/23 - 10:00:37 am
36
    
 
BATH BLAKE
DIR
JB
---
1,433
---
10/1/23
---
---
28,320
5.3
D
---
10/3/23 - 9:59:58 am
37
1y
12
25%
24%
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
38
1y
12
25%
24%
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
39
1y
12
25%
24%
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
40
1y
68
37%
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
41
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
42
1y
37
27%
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
43
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
44
    
 
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
45
    
 
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
46
    
 
DANIELSON JEFFREY S
VP
3
---
---
---
8/2/23
---
---
16,000
---
D
R
8/3/23 - 2:41:26 pm
47
    
 
HOWELL DENEEN C
DIR
JB
---
1,435
---
7/1/23
---
---
7,750
22.7
D
---
7/6/23 - 9:36:18 am
48
    
 
HOWARD EVE N
DIR
JB
---
1,435
---
7/1/23
---
---
6,226
30.0
D
---
7/5/23 - 2:44:52 pm
49
    
 
KENNEDY SHERYL LYNN
DIR
JB
---
1,435
---
7/1/23
---
---
9,000
19.0
D
---
7/5/23 - 11:11:24 am
50
    
 
BROOKS STEVEN D
DIR
JB
---
1,435
---
7/1/23
---
---
34,712
4.3
D
---
7/5/23 - 11:09:59 am
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