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 JS
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Detailed Insider History For:
'MAETZOLD DEREK J'

<<PREV
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#
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Insider Statistics
T N H M S
Insider Title
Company Name
Ticker
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
SIC Code
SIC Sector
SIC Industry
SIC Sub-Industry
Input Date
1
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$203,562
6,132
---
8/28/26
$33.14
$33.88
11,256
-35.3
I
10b
8071
Services
Health Services
Services- Medical Laboratories
9/1/26 - 4:12:10 pm
2
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$412,571
12,428
---
8/28/26
$33.14
$33.88
21,479
-36.7
D
10b
8071
Services
Health Services
Services- Medical Laboratories
9/1/26 - 4:12:10 pm
3
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$29,703
12,428
---
8/28/26
---
$2.39
33,907
57.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
9/1/26 - 4:12:10 pm
4
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$184,083
6,132
---
8/14/26
---
$30.02
11,534
-34.7
I
10b
8071
Services
Health Services
Services- Medical Laboratories
8/18/26 - 4:09:59 pm
5
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$33,022
1,100
---
8/14/26
---
$30.02
21,479
-4.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/18/26 - 4:09:59 pm
6
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$2,629
1,100
---
8/14/26
---
$2.39
22,579
5.1
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/18/26 - 4:09:59 pm
7
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$500,855
16,114
8/4/26
8/5/26
---
$30.68
19,607
-45.1
I
10b
8071
Services
Health Services
Services- Medical Laboratories
8/6/26 - 4:14:30 pm
8
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$711,375
22,902
8/4/26
8/5/26
---
$30.68
21,479
-51.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/6/26 - 4:14:30 pm
9
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$54,736
22,902
8/4/26
8/5/26
---
$2.39
41,835
121.0
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/6/26 - 4:14:30 pm
10
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$519,069
17,144
7/31/26
8/3/26
$30.15
$30.35
21,479
-44.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/4/26 - 4:35:54 pm
11
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$348,382
11,502
7/31/26
8/3/26
$30.15
$30.35
27,009
-29.9
I
10b
8071
Services
Health Services
Services- Medical Laboratories
8/4/26 - 4:35:54 pm
12
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$40,974
17,144
7/31/26
8/3/26
---
$2.39
32,143
114.3
D
10b
8071
Services
Health Services
Services- Medical Laboratories
8/4/26 - 4:35:54 pm
13
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$87,523
3,622
---
7/27/26
$24.13
$25.06
11,812
-23.5
I
10b
8071
Services
Health Services
Services- Medical Laboratories
7/29/26 - 4:09:57 pm
14
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$150,160
6,214
---
7/27/26
$24.13
$25.06
21,479
-22.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/29/26 - 4:09:57 pm
15
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,851
6,214
---
7/27/26
---
$2.39
27,693
28.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/29/26 - 4:09:57 pm
16
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
AS
$83,016
3,622
---
7/14/26
---
$22.92
12,090
-23.1
I
10b
8071
Services
Health Services
Services- Medical Laboratories
7/16/26 - 4:16:11 pm
17
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
AS
$12,606
550
---
7/14/26
---
$22.92
21,479
-2.5
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/16/26 - 4:16:11 pm
18
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$1,315
550
---
7/14/26
---
$2.39
22,029
2.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/16/26 - 4:16:11 pm
19
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$87,978
3,622
---
7/1/26
---
$24.29
12,368
-22.7
I
10b
8071
Services
Health Services
Services- Medical Laboratories
7/6/26 - 4:25:23 pm
20
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$150,938
6,214
---
7/1/26
---
$24.29
21,479
-22.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/6/26 - 4:25:23 pm
21
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,851
6,214
---
7/1/26
---
$2.39
27,693
28.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
7/6/26 - 4:25:23 pm
22
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$11,363
550
---
6/15/26
---
$20.66
21,479
-2.5
D
10b
8071
Services
Health Services
Services- Medical Laboratories
6/17/26 - 5:39:57 pm
23
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$74,831
3,622
---
6/15/26
---
$20.66
12,646
-22.3
I
10b
8071
Services
Health Services
Services- Medical Laboratories
6/17/26 - 5:39:57 pm
24
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$1,315
550
---
6/15/26
---
$2.39
22,029
2.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
6/17/26 - 5:39:57 pm
25
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$75,544
3,622
---
6/1/26
---
$20.86
1,668
-68.5
I
10b
8071
Services
Health Services
Services- Medical Laboratories
6/3/26 - 4:15:50 pm
26
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$129,605
6,214
---
6/1/26
---
$20.86
21,479
-22.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
6/3/26 - 4:15:50 pm
27
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,851
6,214
---
6/1/26
---
$2.39
27,693
28.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
6/3/26 - 4:15:50 pm
28
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$72,983
3,622
5/20/26
5/21/26
$20.00
$20.20
1,946
-65.1
I
10b
8071
Services
Health Services
Services- Medical Laboratories
5/22/26 - 4:12:30 pm
29
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$11,083
550
5/20/26
5/21/26
$20.00
$20.20
21,479
-2.5
D
10b
8071
Services
Health Services
Services- Medical Laboratories
5/22/26 - 4:12:30 pm
30
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$1,315
550
5/20/26
5/21/26
---
$2.39
21,899
2.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
5/22/26 - 4:12:30 pm
31
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$80,241
3,622
---
5/7/26
$22.08
$22.59
2,224
-62.0
I
10b
8071
Services
Health Services
Services- Medical Laboratories
5/11/26 - 4:06:18 pm
32
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$137,663
6,214
---
5/7/26
$22.08
$22.59
21,479
-22.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
5/11/26 - 4:06:18 pm
33
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,851
6,214
---
5/7/26
---
$2.39
27,693
28.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
5/11/26 - 4:06:18 pm
34
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$13,804
550
---
4/21/26
---
$25.10
21,479
-2.5
D
10b
8071
Services
Health Services
Services- Medical Laboratories
4/23/26 - 4:16:45 pm
35
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$90,905
3,622
---
4/21/26
---
$25.10
2,502
-59.1
I
10b
8071
Services
Health Services
Services- Medical Laboratories
4/23/26 - 4:16:45 pm
36
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$1,315
550
---
4/21/26
---
$2.39
22,029
2.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
4/23/26 - 4:16:45 pm
37
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$90,659
3,622
---
4/6/26
---
$25.03
2,780
-56.6
I
10b
8071
Services
Health Services
Services- Medical Laboratories
4/8/26 - 4:34:24 pm
38
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$155,536
6,214
---
4/6/26
---
$25.03
21,479
-22.4
D
10b
8071
Services
Health Services
Services- Medical Laboratories
4/8/26 - 4:34:24 pm
39
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,851
6,214
---
4/6/26
---
$2.39
27,693
28.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
4/8/26 - 4:34:24 pm
40
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$92,546
3,622
---
3/26/26
---
$25.55
3,058
-54.2
I
10b
8071
Services
Health Services
Services- Medical Laboratories
3/30/26 - 6:29:27 pm
41
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$14,053
550
---
3/26/26
---
$25.55
21,479
-2.5
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/30/26 - 6:29:27 pm
42
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$1,315
550
---
3/26/26
---
$2.39
22,029
2.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/30/26 - 6:29:27 pm
43
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
AS
$500,098
19,300
3/17/26
3/18/26
---
$25.39
21,479
-47.3
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/19/26 - 4:21:26 pm
44
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
AS
$792,410
30,779
3/13/26
3/16/26
$25.45
$26.68
40,779
-43.0
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/17/26 - 4:36:05 pm
45
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$1,037,889
40,489
3/11/26
3/12/26
---
$25.28
71,558
-36.1
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/13/26 - 4:10:14 pm
46
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OS
$94,932
3,636
---
3/11/26
---
$26.11
3,336
-52.2
I
10b
8071
Services
Health Services
Services- Medical Laboratories
3/13/26 - 4:10:14 pm
47
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
OE
$14,880
6,226
---
3/11/26
---
$2.39
112,047
5.9
D
10b
8071
Services
Health Services
Services- Medical Laboratories
3/13/26 - 4:10:14 pm
48
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
JS
$1,030,132
36,974
3/3/26
3/4/26
$27.57
$28.17
64,655
-36.4
D
R
8071
Services
Health Services
Services- Medical Laboratories
3/5/26 - 5:12:16 pm
49
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
JB
---
59,097
---
3/4/26
---
---
123,752
91.4
D
R
8071
Services
Health Services
Services- Medical Laboratories
3/5/26 - 5:12:16 pm
50
    
 
PR,CEO,DIR
CASTLE BIOSCIENCES INC
CSTL
AS
$158,757
4,017
2/3/26
2/4/26
$37.82
$38.61
83,698
-4.6
D
10b
8071
Services
Health Services
Services- Medical Laboratories
2/5/26 - 4:17:22 pm
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