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 JS
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Detailed Insider History for:
CASTLE BIOSCIENCES INC: CSTL
Price: 4/10/24 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
$20.43 $26.70 $9.26 $561 28 247 0.0% 6.2% 89.98% 4.31%
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
$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
2
1y
39
69%
-16%
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
3
    
 
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
4
    
 
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
5
1y
39
69%
-16%
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
6
1y
39
69%
-16%
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
7
    
 
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
8
    
 
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
9
    
 
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
10
    
 
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
11
1y
39
69%
-16%
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
12
    
 
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
13
    
 
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
14
1y
39
69%
-16%
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
15
    
 
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
16
    
 
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
17
    
 
GOLDBERG ELLEN
DIR
JB
---
440
---
7/14/23
---
---
9,505
4.9
D
R
7/18/23 - 4:51:32 pm
18
    
 
CAPLE KIM
DIR
JB
---
440
---
7/14/23
---
---
4,705
10.3
D
R
7/18/23 - 4:41:38 pm
19
    
 
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
20
    
 
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
21
1y
39
69%
-16%
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
22
    
 
GOLDBERG ELLEN
DIR
B
$69,004
4,800
---
6/5/23
$11.23
$17.27
9,065
112.5
D
---
6/6/23 - 4:48:24 pm
23
    
 
CAPLE KIM
DIR
JB
---
3,825
---
6/2/23
---
---
4,265
869.3
D
R
6/6/23 - 4:46:01 pm
24
    
 
BRADBURY DANIEL
DIR
JB
---
3,825
---
6/2/23
---
---
4,655
460.8
D
R
6/6/23 - 4:44:36 pm
25
    
 
ASPINALL MARA G
DIR
JB
---
3,825
---
6/2/23
---
---
35,503
12.1
D
R
6/6/23 - 4:42:26 pm
26
    
 
COLE G BRADLEY
DIR
JB
---
3,825
---
6/2/23
---
---
4,655
460.8
D
R
6/6/23 - 4:40:25 pm
27
    
 
GOLDBERG ELLEN
DIR
JB
---
3,825
---
6/2/23
---
---
4,265
869.3
D
R
6/6/23 - 4:38:26 pm
28
    
 
HARRISON MILES
DIR
JB
---
3,825
---
6/2/23
---
---
4,655
460.8
D
R
6/6/23 - 4:35:40 pm
29
    
 
OLSON TIFFANY
DIR
JB
---
3,825
---
6/2/23
---
---
7,280
110.7
D
R
6/6/23 - 4:33:03 pm
30
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$64,678
2,792
5/15/23
5/16/23
---
$22.82
149,189
-1.8
D
10b
5/17/23 - 5:07:17 pm
31
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$129,263
5,580
5/15/23
5/16/23
---
$22.82
19,515
-22.2
I
10b
5/17/23 - 5:07:17 pm
32
    
 
OLSON TIFFANY
DIR
JB
---
487
---
5/10/23
---
---
3,455
16.4
D
R
5/12/23 - 4:14:01 pm
33
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$540,745
25,000
5/4/23
5/5/23
$21.12
$21.80
77,780
-24.3
I
10b
5/8/23 - 4:26:21 pm
34
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$60,410
2,792
---
5/4/23
$21.43
$21.94
151,981
-1.8
D
10b
5/8/23 - 4:21:46 pm
35
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$120,734
5,580
---
5/4/23
$21.43
$21.94
20,212
-21.6
I
10b
5/8/23 - 4:21:46 pm
36
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$63,251
2,792
4/12/23
4/13/23
$22.61
$22.68
154,773
-1.8
D
10b
4/14/23 - 4:53:48 pm
37
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$126,412
5,580
4/12/23
4/13/23
$22.61
$22.68
20,908
-21.1
I
10b
4/14/23 - 4:53:48 pm
38
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$157,620
7,100
---
4/5/23
---
$22.20
82,780
-7.9
I
10b
4/6/23 - 4:22:01 pm
39
    
 
STOKES FRANK
CFO
OB
$13,520
4,000
---
4/4/23
---
$3.38
23,419
20.6
D
---
4/5/23 - 4:44:43 pm
40
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$396,604
17,900
4/3/23
4/4/23
$22.14
$22.19
84,200
-17.5
I
10b
4/5/23 - 4:40:33 pm
41
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$123,539
5,580
4/3/23
4/4/23
---
$22.10
21,605
-20.5
I
10b
4/5/23 - 4:37:47 pm
42
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$61,814
2,792
4/3/23
4/4/23
---
$22.10
157,565
-1.7
D
10b
4/5/23 - 4:37:47 pm
43
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$58,504
2,792
---
3/14/23
---
$20.95
160,357
-1.7
D
10b
3/16/23 - 4:23:14 pm
44
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$116,923
5,580
---
3/14/23
---
$20.95
22,302
-20.0
I
10b
3/16/23 - 4:23:14 pm
45
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$68,985
2,792
---
3/6/23
---
$24.71
163,149
-1.7
D
10b
3/8/23 - 4:22:51 pm
46
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$137,871
5,580
---
3/6/23
---
$24.71
22,999
-19.5
I
10b
3/8/23 - 4:22:51 pm
47
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$599,270
25,000
3/2/23
3/3/23
$23.16
$24.53
87,780
-22.2
I
10b
3/6/23 - 4:29:34 pm
48
    
 
JUVENAL TOBIN W
O
OB
$14,753
6,173
---
3/1/23
---
$2.39
22,092
38.8
D
---
3/3/23 - 4:21:35 pm
49
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$73,098
2,792
2/10/23
2/13/23
$26.17
$26.26
165,941
-1.7
D
10b
2/14/23 - 4:18:16 pm
50
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$146,091
5,580
2/10/23
2/13/23
$26.17
$26.26
23,696
-19.1
I
10b
2/14/23 - 4:18:16 pm
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