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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: 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
$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
2
    
 
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
3
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$686,928
25,000
2/1/23
2/2/23
$26.98
$29.12
92,780
-21.2
I
10b
2/3/23 - 4:18:04 pm
4
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$75,764
2,795
---
2/1/23
---
$27.11
168,733
-1.6
D
10b
2/3/23 - 4:22:04 pm
5
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$151,501
5,589
---
2/1/23
---
$27.11
24,393
-18.6
I
10b
2/3/23 - 4:22:04 pm
6
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$176,316
7,704
---
1/3/23
$22.82
$23.55
199,539
-3.7
I
10b
1/5/23 - 5:25:57 pm
7
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$87,776
3,833
---
1/3/23
---
$22.90
301,529
-1.3
D
10b
1/5/23 - 5:21:33 pm
8
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$117,363
5,125
---
1/3/23
---
$22.90
25,093
-17.0
I
10b
1/5/23 - 5:21:33 pm
9
    
 
OELSCHLAGER KRISTEN M
COO
OB
$17,155
7,178
---
12/28/22
---
$2.39
118,914
6.4
D
---
12/30/22 - 4:37:12 pm
10
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$118,243
5,125
---
12/19/22
$22.73
$23.41
25,468
-16.8
I
10b
12/21/22 - 4:18:10 pm
11
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$88,435
3,833
---
12/19/22
$22.73
$23.41
305,362
-1.2
D
10b
12/21/22 - 4:18:10 pm
12
    
 
STOKES FRANK
CFO
JS
$53,702
2,406
---
12/10/22
---
$22.32
14,186
-14.5
D
R
12/13/22 - 4:42:00 pm
13
    
 
STOKES FRANK
CFO
JB
---
8,170
---
12/10/22
---
---
20,356
67.0
D
R
12/13/22 - 4:42:00 pm
14
    
 
OELSCHLAGER KRISTEN M
COO
JS
$52,095
2,334
---
12/10/22
---
$22.32
107,384
-2.1
D
R
12/13/22 - 4:39:44 pm
15
    
 
OELSCHLAGER KRISTEN M
COO
JB
---
7,920
---
12/10/22
---
---
113,554
7.5
D
R
12/13/22 - 4:39:44 pm
16
    
 
MAETZOLD DEREK J
PR,CEO,DIR
JS
$140,951
6,315
---
12/10/22
---
$22.32
297,975
-2.1
D
R
12/13/22 - 4:38:08 pm
17
    
 
MAETZOLD DEREK J
PR,CEO,DIR
JB
---
20,787
---
12/10/22
---
---
313,400
7.1
D
R
12/13/22 - 4:38:08 pm
18
    
 
JUVENAL TOBIN W
O
JS
$43,078
1,930
---
12/10/22
---
$22.32
10,372
-15.7
D
R
12/13/22 - 4:35:22 pm
19
    
 
JUVENAL TOBIN W
O
JB
---
7,920
---
12/10/22
---
---
16,542
91.9
D
R
12/13/22 - 4:35:22 pm
20
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$95,020
3,833
---
12/5/22
---
$24.79
294,723
-1.3
D
10b
12/7/22 - 4:11:27 pm
21
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$127,049
5,125
---
12/5/22
---
$24.79
25,843
-16.5
I
10b
12/7/22 - 4:11:27 pm
22
    
 
MAETZOLD DEREK J
PR,CEO,DIR
OB
$37,200
10,000
---
12/1/22
---
$3.72
298,556
3.5
D
---
12/5/22 - 4:16:00 pm
23
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$184,503
7,704
---
12/1/22
---
$23.95
207,243
-3.6
I
10b
12/5/22 - 4:10:04 pm
24
    
 
OLSON TIFFANY
DIR
B
$24,983
1,162
---
11/29/22
---
$21.50
2,968
64.3
D
---
12/1/22 - 4:48:45 pm
25
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$106,379
5,125
11/21/22
11/22/22
---
$20.51
26,218
-16.4
I
10b
11/23/22 - 4:41:05 pm
26
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$79,562
3,833
11/21/22
11/22/22
---
$20.51
288,556
-1.3
D
10b
11/23/22 - 4:41:05 pm
27
    
 
JUVENAL TOBIN W
O
OB
$8,829
3,700
---
11/10/22
$2.36
$2.39
9,049
69.2
D
---
11/14/22 - 6:04:06 pm
28
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$77,992
3,833
---
11/7/22
$20.03
$22.07
292,389
-1.3
D
10b
11/9/22 - 4:09:06 pm
29
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$104,279
5,125
---
11/7/22
$20.03
$22.07
26,593
-16.2
I
10b
11/9/22 - 4:09:06 pm
30
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$196,386
7,704
---
11/1/22
$25.43
$25.82
214,947
-3.5
I
10b
11/3/22 - 4:15:56 pm
31
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$104,879
5,125
10/24/22
10/25/22
$20.41
$20.98
26,967
-16.0
I
10b
10/26/22 - 4:09:37 pm
32
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$78,440
3,833
10/24/22
10/25/22
$20.41
$20.98
296,222
-1.3
D
10b
10/26/22 - 4:09:37 pm
33
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$13,468
560
---
10/11/22
---
$24.05
27,342
-2.0
I
10b
10/12/22 - 4:33:54 pm
34
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$110,880
4,564
10/10/22
10/11/22
$22.95
$24.05
27,408
-14.3
I
10b
10/12/22 - 4:29:07 pm
35
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$93,044
3,834
10/10/22
10/11/22
$22.95
$24.05
300,055
-1.3
D
10b
10/12/22 - 4:29:07 pm
36
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$22,793
759
---
10/4/22
---
$30.03
27,719
-2.7
I
10b
10/6/22 - 4:26:18 pm
37
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$16,246
541
---
10/4/22
---
$30.03
303,889
-0.2
D
10b
10/6/22 - 4:26:18 pm
38
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$209,296
7,704
---
10/3/22
$26.77
$27.54
222,651
-3.3
I
10b
10/5/22 - 4:10:07 pm
39
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$92,116
3,833
9/26/22
9/27/22
$23.82
$24.17
304,430
-1.2
D
10b
9/28/22 - 4:24:35 pm
40
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$123,166
5,125
9/26/22
9/27/22
$23.82
$24.17
27,773
-15.6
I
10b
9/28/22 - 4:24:35 pm
41
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$112,341
3,851
9/12/22
9/13/22
$27.67
$28.40
308,263
-1.2
D
10b
9/14/22 - 5:07:11 pm
42
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$150,179
5,148
9/12/22
9/13/22
$27.67
$28.40
28,148
-15.5
I
10b
9/14/22 - 5:07:11 pm
43
1y
39
69%
-16%
6
BRADBURY DANIEL
DIR
AS
$216,328
7,704
---
9/1/22
---
$28.08
230,355
-3.2
I
10b
9/6/22 - 4:48:33 pm
44
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$175,574
5,941
8/29/22
8/30/22
---
$29.42
28,525
-17.2
I
10b
8/31/22 - 4:09:57 pm
45
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$130,565
4,418
8/29/22
8/30/22
---
$29.42
312,114
-1.4
D
10b
8/31/22 - 4:09:57 pm
46
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$1,182
36
---
8/16/22
---
$32.83
28,958
-0.1
I
10b
8/17/22 - 4:31:19 pm
47
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$264,041
8,003
8/15/22
8/16/22
$30.63
$32.83
316,532
-2.5
D
10b
8/17/22 - 4:25:35 pm
48
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$360,657
10,928
8/15/22
8/16/22
$30.63
$32.83
28,962
-27.4
I
10b
8/17/22 - 4:25:35 pm
49
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$19,671
649
---
8/5/22
---
$30.31
324,535
-0.2
D
10b
8/9/22 - 4:54:50 pm
50
    
 
MAETZOLD DEREK J
PR,CEO,DIR
AS
$27,552
909
---
8/5/22
---
$30.31
29,752
-3.0
I
10b
8/9/22 - 4:54:50 pm
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