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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
COMCAST CORP: CMCSA
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
$36.62 $45.31 $32.50 $138,461 3,772 27,196 3.6% 1.6% 89.09% 0.72%
Exch Sector Industry Sub-Industry
NasdaqGS Transportation, Communications, Electric, Gas, And Sanitary Services Communications Cable & Other Pay Television Services
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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
    
 
MURDOCK DANIEL C
VP,CAO
JS
$55,741
1,518
---
4/1/25
---
$36.72
43,142
-3.4
D
R
4/2/25 - 4:22:03 pm
2
    
 
MURDOCK DANIEL C
VP,CAO
JB
---
3,856
---
4/1/25
---
---
44,660
9.5
D
R
4/2/25 - 4:22:03 pm
3
    
 
NOVAK DAVID C
DIR
JB
---
915
---
3/31/25
---
---
377,670
0.2
D
---
4/2/25 - 4:27:14 pm
4
    
 
HONICKMAN JEFFREY A
DIR
JB
---
1,186
---
3/31/25
---
---
230,937
0.5
D
---
4/2/25 - 4:26:10 pm
5
    
 
BREEN EDWARD D
DIR
JB
---
543
---
3/31/25
---
---
14,860
3.8
D
---
4/2/25 - 4:24:31 pm
6
    
 
BRADY LOUISE F
DIR
JB
---
915
---
3/31/25
---
---
17,205
5.6
D
---
4/2/25 - 4:24:26 pm
7
    
 
BALTIMORE THOMAS J JR
DIR
JB
---
915
---
3/31/25
---
---
23,118
4.1
D
---
4/2/25 - 4:23:03 pm
8
    
 
BREEN EDWARD D
DIR
JS
---
55,250
---
3/17/25
---
---
14,317
-79.4
D
---
3/19/25 - 4:09:42 pm
9
    
 
BREEN EDWARD D
DIR
JB
---
43,150
---
3/7/25
---
---
69,563
163.4
D
---
3/10/25 - 4:21:30 pm
10
1y
35
49%
6%
1
ROBERTS BRIAN L
CB,CEO,DIR
OS
$29,264,680
818,478
---
3/6/25
---
$35.76
6,523,999
-11.1
D
---
3/7/25 - 4:08:21 pm
11
    
 
ROBERTS BRIAN L
CB,CEO,DIR
OE
$26,978,410
907,600
---
3/6/25
---
$29.73
7,342,477
14.1
D
---
3/7/25 - 4:08:21 pm
12
    
 
REID THOMAS J
LO,SEC
JS
$2,180,033
60,759
3/1/25
3/2/25
---
$35.88
113,231
-34.9
D
R
3/4/25 - 5:41:33 pm
13
    
 
REID THOMAS J
LO,SEC
JB
---
113,638
3/1/25
3/2/25
---
---
162,288
233.6
D
R
3/4/25 - 5:41:33 pm
14
    
 
KHOURY JENNIFER
O
JS
$103,873
2,895
3/1/25
3/2/25
---
$35.88
44,560
-6.1
D
R
3/4/25 - 5:38:21 pm
15
    
 
KHOURY JENNIFER
O
JB
---
9,262
3/1/25
3/2/25
---
---
49,720
22.9
D
R
3/4/25 - 5:38:21 pm
16
    
 
MURDOCK DANIEL C
VP,CAO
JS
$96,804
2,698
3/1/25
3/2/25
---
$35.88
37,597
-6.7
D
R
3/4/25 - 5:38:18 pm
17
    
 
MURDOCK DANIEL C
VP,CAO
JB
---
10,780
3/1/25
3/2/25
---
---
41,837
34.7
D
R
3/4/25 - 5:38:18 pm
18
    
 
CAVANAGH MICHAEL J
PR
JS
$2,577,368
71,833
3/1/25
3/2/25
---
$35.88
167,158
-30.1
D
R
3/4/25 - 5:36:10 pm
19
    
 
CAVANAGH MICHAEL J
PR
JB
---
114,308
3/1/25
3/2/25
---
---
250,058
84.2
D
R
3/4/25 - 5:36:10 pm
20
    
 
ROBERTS BRIAN L
CB,CEO,DIR
JS
$1,529,708
42,634
3/1/25
3/2/25
---
$35.88
6,434,877
-0.7
D
R
3/4/25 - 5:35:04 pm
21
    
 
ROBERTS BRIAN L
CB,CEO,DIR
JB
---
42,634
3/1/25
3/2/25
---
---
6,471,099
0.7
D
R
3/4/25 - 5:35:04 pm
22
    
 
ARMSTRONG JASON
CFO
JS
$105,918
2,952
---
3/1/25
---
$35.88
32,914
-8.2
D
R
3/4/25 - 5:36:08 pm
23
    
 
ARMSTRONG JASON
CFO
JB
---
6,382
---
3/1/25
---
---
35,866
21.6
D
R
3/4/25 - 5:36:08 pm
24
    
 
ARMSTRONG JASON
CFO
JS
$130,240
3,580
---
1/14/25
---
$36.38
29,484
-10.8
D
R
1/15/25 - 4:13:22 pm
25
    
 
ARMSTRONG JASON
CFO
JB
---
7,740
---
1/14/25
---
---
33,064
30.6
D
R
1/15/25 - 4:13:22 pm
26
    
 
REID THOMAS J
LO,SEC
JS
$147,547
3,943
---
1/2/25
---
$37.42
69,810
-5.3
D
R
1/6/25 - 4:17:42 pm
27
    
 
REID THOMAS J
LO,SEC
JB
---
11,700
---
1/2/25
---
---
73,753
18.9
D
R
1/6/25 - 4:17:42 pm
28
    
 
NOVAK DAVID C
DIR
JB
---
900
---
12/31/24
---
---
375,728
0.2
D
---
1/3/25 - 4:16:22 pm
29
    
 
NAKAHARA ASUKA
DIR
JB
---
900
---
12/31/24
---
---
51,255
1.8
D
---
1/3/25 - 4:16:17 pm
30
    
 
LUCAS WONYA Y
DIR
JB
---
900
---
12/31/24
---
---
12,025
8.1
D
---
1/3/25 - 4:14:01 pm
31
    
 
HONICKMAN JEFFREY A
DIR
JB
---
1,166
---
12/31/24
---
---
225,225
0.5
D
---
1/3/25 - 4:14:00 pm
32
    
 
BREEN EDWARD D
DIR
JB
---
1,066
---
12/31/24
---
---
26,404
4.2
D
---
1/3/25 - 4:12:56 pm
33
    
 
BELL MADELINE S
DIR
JB
---
900
---
12/31/24
---
---
38,647
2.4
D
---
1/3/25 - 4:12:48 pm
34
    
 
BRADY LOUISE F
DIR
JB
---
900
---
12/31/24
---
---
16,081
5.9
D
---
1/3/25 - 4:12:43 pm
35
    
 
BALTIMORE THOMAS J JR
DIR
JB
---
900
---
12/31/24
---
---
21,913
4.3
D
---
1/3/25 - 4:11:42 pm
36
1y
35
49%
6%
1
ROBERTS BRIAN L
CB,CEO,DIR
S
$20,063,802
469,515
11/26/24
11/27/24
$42.66
$42.80
6,434,877
-6.8
D
---
11/29/24 - 1:21:10 pm
37
1y
1
100%
-29%
4
CAVANAGH MICHAEL J
PR
OS
$15,663,673
367,691
---
11/26/24
---
$42.60
167,158
-68.7
D
---
11/29/24 - 1:19:07 pm
38
3m
1
0%
-17%
4
CAVANAGH MICHAEL J
PR
OB
$11,136,217
393,228
---
11/26/24
---
$28.32
560,386
235.2
D
---
11/29/24 - 1:19:07 pm
39
1y
1
100%
-29%
4
CAVANAGH MICHAEL J
PR
OS
$1,087,667
25,537
---
11/26/24
---
$42.59
534,849
-4.6
D
---
11/29/24 - 1:19:07 pm
40
1y
1
100%
-29%
4
CAVANAGH MICHAEL J
PR
OS
$9,111,451
214,110
---
11/26/24
---
$42.55
238,540
-47.3
I
---
11/29/24 - 1:19:07 pm
41
1y
1
100%
-29%
4
CAVANAGH MICHAEL J
PR
OS
$4,577,046
107,622
---
11/26/24
---
$42.53
452,650
-19.2
I
---
11/29/24 - 1:19:07 pm
42
    
 
CAVANAGH MICHAEL J
PR
OE
$9,111,450
321,732
---
11/26/24
---
$28.32
560,272
134.9
I
---
11/29/24 - 1:19:07 pm
43
1y
19
21%
11%
3
BACON KENNETH J
DIR
S
$625,093
14,408
---
11/22/24
---
$43.39
32,733
-30.6
D
---
11/25/24 - 4:26:14 pm
44
    
 
NOVAK DAVID C
DIR
JB
---
5,234
---
11/20/24
---
---
374,828
1.4
D
---
11/22/24 - 4:15:31 pm
45
    
 
NAKAHARA ASUKA
DIR
JB
---
5,234
---
11/20/24
---
---
50,355
11.6
D
---
11/22/24 - 4:14:28 pm
46
    
 
LUCAS WONYA Y
DIR
JB
---
5,234
---
11/20/24
---
---
11,125
88.8
D
---
11/22/24 - 4:14:26 pm
47
    
 
HONICKMAN JEFFREY A
DIR
JB
---
5,234
---
11/20/24
---
---
224,059
2.4
D
---
11/22/24 - 4:14:22 pm
48
    
 
BREEN EDWARD D
DIR
JB
---
5,234
---
11/20/24
---
---
25,338
26.0
D
---
11/22/24 - 4:13:14 pm
49
    
 
BRADY LOUISE F
DIR
JB
---
5,234
---
11/20/24
---
---
15,181
52.6
D
---
11/22/24 - 4:13:12 pm
50
    
 
BELL MADELINE S
DIR
JB
---
5,234
---
11/20/24
---
---
37,747
16.1
D
---
11/22/24 - 4:12:08 pm
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