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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:
CASTLE BIOSCIENCES INC: CSTL
Price: 1/9/26 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
$39.34 $42.18 $14.59 $1,148 29 407 0.0% 6.8% 92.21% 2.73%
Exch Sector Industry Sub-Industry
NasdaqGM Services Health Services Services- Medical Laboratories
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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
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$14,177
705
---
4/23/24
---
$20.11
9,683
-6.8
I
10b
4/25/24 - 4:54:21 pm
2
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$8,466
421
---
4/23/24
---
$20.11
64,997
-0.6
D
10b
4/25/24 - 4:54:21 pm
3
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$66,402
3,263
---
4/12/24
---
$20.35
9,752
-25.1
I
10b
4/16/24 - 4:46:52 pm
4
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$39,621
1,947
---
4/12/24
---
$20.35
65,418
-2.9
D
10b
4/16/24 - 4:46:52 pm
5
1y
73
62%
-5%
6
BRADBURY DANIEL
DIR
AS
$49,087
2,400
---
4/8/24
---
$20.45
17,944
-11.8
I
10b
4/10/24 - 4:35:01 pm
6
1y
73
62%
-5%
6
BRADBURY DANIEL
DIR
AS
$441,853
20,923
4/4/24
4/5/24
---
$20.86
18,763
-52.7
I
10b
4/8/24 - 4:31:47 pm
7
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$86,106
3,968
---
4/3/24
---
$21.70
10,069
-28.3
I
10b
4/5/24 - 4:37:55 pm
8
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$51,386
2,368
---
4/3/24
---
$21.70
67,365
-3.4
D
10b
4/5/24 - 4:37:55 pm
9
    
 
COTTON RODNEY
DIR
3
---
---
---
3/26/24
---
---
---
---
---
---
3/28/24 - 4:30:48 pm
10
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$48,031
2,368
3/20/24
3/21/24
$20.27
$20.70
69,733
-3.3
D
10b
3/22/24 - 5:16:51 pm
11
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$80,483
3,968
3/20/24
3/21/24
$20.27
$20.70
10,455
-27.5
I
10b
3/22/24 - 5:16:51 pm
12
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$49,266
2,372
---
3/7/24
---
$20.77
72,101
-3.2
D
10b
3/11/24 - 5:18:21 pm
13
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$82,997
3,996
---
3/7/24
---
$20.77
10,841
-26.9
I
10b
3/11/24 - 5:18:21 pm
14
    
 
MAETZOLD DEREK J
PR,CEO,DIR
OS*
$88,461
4,131
---
3/5/24
---
$21.41
74,473
-5.3
D
R
3/6/24 - 5:58:15 pm
15
    
 
MAETZOLD DEREK J
PR,CEO,DIR
OE*
$39,752
10,686
---
3/5/24
---
$3.72
78,604
15.7
D
R
3/6/24 - 5:58:15 pm
16
1y
73
62%
-5%
6
BRADBURY DANIEL
DIR
AS
$482,285
23,323
---
3/4/24
$20.44
$21.28
25,907
-47.4
I
10b
3/6/24 - 5:52:27 pm
17
1y
73
62%
-5%
6
BRADBURY DANIEL
DIR
AS
$48,117
2,074
---
2/7/24
---
$23.20
33,870
-5.8
I
10b
2/9/24 - 4:49:06 pm
18
1y
73
62%
-5%
6
BRADBURY DANIEL
DIR
AS
$493,818
21,249
2/5/24
2/6/24
$22.74
$23.63
34,578
-38.1
I
10b
2/7/24 - 4:19:09 pm
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