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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: 6/13/25 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
$18.75 $35.84 $15.45 $541 29 432 0.0% 5.0% 93.01% 2.98%
Exch Sector Industry Sub-Industry
NasdaqGM Manufacturing Industrial And Commercial Machinery And Computer Equipment Computer Peripheral Equipment, 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
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$92,584
4,614
12/1/23
12/4/23
$20.06
$20.08
97,265
-4.5
D
10b
12/5/23 - 5:49:46 pm
2
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$100,932
5,030
12/1/23
12/4/23
$20.06
$20.08
14,597
-25.6
I
10b
12/5/23 - 5:49:46 pm
3
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$278,590
13,885
12/1/23
12/4/23
$20.05
$20.08
53,020
-20.8
I
10b
12/5/23 - 5:46:12 pm
4
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$224,678
11,176
11/29/23
11/30/23
---
$20.07
15,127
-42.5
I
10b
12/1/23 - 4:34:17 pm
5
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$206,122
10,253
11/29/23
11/30/23
---
$20.07
101,879
-9.1
D
10b
12/1/23 - 4:34:17 pm
6
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$593,574
29,521
11/29/23
11/30/23
---
$20.08
57,761
-33.8
I
10b
12/1/23 - 4:30:19 pm
7
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$6,269
313
---
11/24/23
---
$20.03
16,305
-1.9
I
10b
11/28/23 - 4:43:18 pm
8
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$5,749
287
---
11/24/23
---
$20.03
112,132
-0.3
D
10b
11/28/23 - 4:43:18 pm
9
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$16,016
800
---
11/24/23
---
$20.02
63,665
-1.2
I
10b
11/28/23 - 4:31:18 pm
10
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$121,330
6,055
11/20/23
11/21/23
---
$20.00
63,825
-8.7
I
10b
11/22/23 - 4:22:22 pm
11
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$58,612
2,926
11/20/23
11/21/23
---
$20.01
16,338
-15.2
I
10b
11/22/23 - 4:20:18 pm
12
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$53,765
2,684
11/20/23
11/21/23
---
$20.01
112,419
-2.3
D
10b
11/22/23 - 4:20:18 pm
13
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$15,681
782
---
9/1/23
---
$20.05
16,646
-4.5
I
10b
9/6/23 - 4:40:40 pm
14
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$14,397
718
---
9/1/23
---
$20.05
115,103
-0.6
D
10b
9/6/23 - 4:40:40 pm
15
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$36,112
1,802
---
9/1/23
---
$20.04
65,037
-2.7
I
10b
9/6/23 - 4:28:23 pm
16
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$114,410
5,706
8/30/23
8/31/23
$20.03
$20.06
115,821
-4.7
D
10b
9/1/23 - 4:26:11 pm
17
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$125,298
6,249
8/30/23
8/31/23
$20.03
$20.06
16,729
-27.2
I
10b
9/1/23 - 4:26:11 pm
18
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$238,885
11,918
8/30/23
8/31/23
$20.03
$20.05
65,397
-15.4
I
10b
9/1/23 - 4:23:13 pm
19
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$6,311
314
---
8/3/23
---
$20.10
17,391
-1.8
I
10b
8/7/23 - 5:07:52 pm
20
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$5,749
286
---
8/3/23
---
$20.10
121,527
-0.2
D
10b
8/7/23 - 5:07:52 pm
21
    
 
GOLDBERG ELLEN
DIR
JB
---
440
---
7/14/23
---
---
9,505
4.9
D
R
7/18/23 - 4:51:32 pm
22
    
 
CAPLE KIM
DIR
JB
---
440
---
7/14/23
---
---
4,705
10.3
D
R
7/18/23 - 4:41:38 pm
23
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$335,537
16,740
---
7/7/23
---
$20.04
17,424
-49.0
I
10b
7/11/23 - 5:10:56 pm
24
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$167,889
8,376
---
7/7/23
---
$20.04
121,813
-6.4
D
10b
7/11/23 - 5:10:56 pm
25
1y
67
63%
-5%
6
BRADBURY DANIEL
DIR
AS
$1,019,500
50,000
---
7/7/23
---
$20.39
67,780
-42.5
I
10b
7/11/23 - 5:06:08 pm
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