INSIDER
DRIFT
Home
Latest Filings
All Sectors
Index List
Loading...
Maetzold Derek J
1 Month
3 Month
6 Month
1 Year
2 Years
Include option trades
EDGAR CIK
0001239501
Castle Biosciences Inc - CSTL
Services
Health Services
Medical Laboratories
Officer
Director
Pres. & Chief Exec. Officer
Direct Buys
0
$0
0
Shares
Direct Sells
26
($3.66) M
-146,428
Shares
Indirect Buys
0
$0
0
Shares
Indirect Sells
29
($752,430)
-34,556
Shares
Monthly Values
Show Transactions
Transaction
Filed
Type
Shares @ Price
Value
Balance ( Change % )
Ownership
12/04/2025
10b5-1
12/08/2025
Sell
-1,339 @ $40.03
($53,600)
37,547
(-3.44%)
Direct
12/02/2025
10b5-1
12/04/2025
Sell
-2,678 @ $39.23
($105,058)
38,886
(-6.44%)
Direct
11/26/2025
10b5-1
12/01/2025
Sell
-4,258 @ $40.09
($170,703)
41,564
(-9.29%)
Direct
11/25/2025
10b5-1
11/26/2025
Sell
-5,115 @ $40.05
($204,851)
45,822
(-10.04%)
Direct
11/18/2025
10b5-1
11/20/2025
Sell
-2,678 @ $34.02
($91,106)
50,937
(-4.99%)
Direct
11/05/2025
10b5-1
11/06/2025
Sell
-2,678 @ $31.85
($85,297)
53,615
(-4.76%)
Direct
11/04/2025
10b5-1
11/06/2025
Sell
-6,695 @ $30.44
($203,782)
56,293
(-10.63%)
Direct
10/20/2025
10b5-1
10/23/2025
Sell
-1,339 @ $22.44
($30,047)
62,988
(-2.08%)
Direct
10/02/2025
10b5-1
10/06/2025
Sell
-1,339 @ $22.58
($30,235)
64,327
(-2.04%)
Direct
09/17/2025
10b5-1
09/19/2025
Sell
-1,339 @ $21.97
($29,419)
65,666
(-2.00%)
Direct
09/02/2025
10b5-1
09/04/2025
Sell
-1,339 @ $23.93
($32,042)
67,005
(-1.96%)
Direct
08/15/2025
10b5-1
08/19/2025
Sell
-1,339 @ $20.04
($26,834)
68,344
(-1.92%)
Direct
08/13/2025
10b5-1
08/15/2025
Sell
-43,019 @ $19.50
($839,043)
69,683
(-38.17%)
Direct
06/27/2025
10b5-1
07/01/2025
Sell
-660 @ $20.30
($13,398)
3,615
(-15.44%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
06/27/2025
10b5-1
07/01/2025
Sell
-660 @ $20.30
($13,398)
3,618
(-15.43%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
06/27/2025
10b5-1
07/01/2025
Sell
-6,924 @ $20.30
($140,557)
44,986
(-13.34%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
06/27/2025
10b5-1
07/01/2025
Sell
-8,068 @ $20.30
($163,780)
52,923
(-13.23%)
Indirect - By The Maetzold Descendants 2020 Trust
06/27/2025
10b5-1
07/01/2025
Sell
-4,944 @ $20.30
($100,363)
69,683
(-6.62%)
Direct
04/21/2025
10b5-1
04/23/2025
Sell
-165 @ $21.52
($3,550)
4,275
(-3.72%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
04/21/2025
10b5-1
04/23/2025
Sell
-165 @ $21.52
($3,550)
4,278
(-3.71%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
04/21/2025
10b5-1
04/23/2025
Sell
-1,731 @ $21.52
($37,248)
51,910
(-3.23%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
04/21/2025
10b5-1
04/23/2025
Sell
-1,236 @ $21.52
($26,596)
74,627
(-1.63%)
Direct
04/21/2025
10b5-1
04/23/2025
Sell
-2,017 @ $21.52
($43,402)
60,991
(-3.20%)
Indirect - By The Maetzold Descendants 2020 Trust
04/09/2025
10b5-1
04/10/2025
Sell
-1,023 @ $20.22
($20,684)
75,863
(-1.33%)
Direct
04/08/2025
10b5-1
04/10/2025
Sell
-348 @ $20.03
($6,970)
64,677
(-0.54%)
Indirect - By The Maetzold Descendants 2020 Trust
04/08/2025
10b5-1
04/10/2025
Sell
-299 @ $20.03
($5,989)
55,073
(-0.54%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
04/08/2025
10b5-1
04/10/2025
Sell
-30 @ $20.03
($601)
4,578
(-0.65%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
04/08/2025
10b5-1
04/10/2025
Sell
-28 @ $20.03
($561)
4,577
(-0.61%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
04/08/2025
10b5-1
04/10/2025
Sell
-213 @ $20.03
($4,266)
76,886
(-0.28%)
Direct
03/26/2025
10b5-1
03/28/2025
Sell
-1,236 @ $20.30
($25,091)
77,099
(-1.58%)
Direct
03/26/2025
10b5-1
03/28/2025
Sell
-165 @ $20.30
($3,350)
4,605
(-3.46%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
03/26/2025
10b5-1
03/28/2025
Sell
-165 @ $20.30
($3,350)
4,608
(-3.46%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
03/26/2025
10b5-1
03/28/2025
Sell
-1,731 @ $20.30
($35,139)
55,372
(-3.03%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
03/26/2025
10b5-1
03/28/2025
Sell
-2,017 @ $20.30
($40,945)
65,025
(-3.01%)
Indirect - By The Maetzold Descendants 2020 Trust
03/10/2025
10b5-1
03/11/2025
Sell
-2,130 @ $19.52
($41,573)
78,335
(-2.65%)
Direct
03/07/2025
10b5-1
03/11/2025
Sell
-165 @ $20.11
($3,319)
4,770
(-3.34%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
03/07/2025
10b5-1
03/11/2025
Sell
-165 @ $20.11
($3,319)
4,773
(-3.34%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
03/07/2025
10b5-1
03/11/2025
Sell
-1,731 @ $20.12
($34,822)
57,103
(-2.94%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
03/07/2025
10b5-1
03/11/2025
Sell
-2,017 @ $20.12
($40,576)
67,042
(-2.92%)
Indirect - By The Maetzold Descendants 2020 Trust
03/07/2025
10b5-1
03/11/2025
Sell
-22,639 @ $20.12
($455,426)
80,465
(-21.96%)
Direct
01/13/2025
10b5-1
01/15/2025
Sell
-474 @ $28.03
($13,288)
60,573
(-0.78%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
01/13/2025
10b5-1
01/15/2025
Sell
-150 @ $28.03
($4,204)
5,104
(-2.85%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
01/13/2025
10b5-1
01/15/2025
Sell
-150 @ $28.03
($4,205)
5,110
(-2.85%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
01/13/2025
10b5-1
01/15/2025
Sell
-505 @ $28.03
($14,157)
71,081
(-0.71%)
Indirect - By The Maetzold Descendants 2020 Trust
01/13/2025
10b5-1
01/15/2025
Sell
-986 @ $28.03
($27,641)
80,818
(-1.21%)
Direct
01/07/2025
10b5-1
01/08/2025
Sell
-243 @ $30.14
($7,324)
81,804
(-0.30%)
Direct
01/06/2025
10b5-1
01/08/2025
Sell
-1,391 @ $29.62
($41,200)
71,710
(-1.90%)
Indirect - By The Maetzold Descendants 2020 Trust
01/06/2025
10b5-1
01/08/2025
Sell
-411 @ $29.62
($12,174)
5,291
(-7.21%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Hannah Elizabeth Maetzold
01/06/2025
10b5-1
01/08/2025
Sell
-414 @ $29.62
($12,263)
5,296
(-7.25%)
Indirect - By The Maetzold 2018 Remainder Trust FBO Emily Carol Kirk
01/06/2025
10b5-1
01/08/2025
Sell
-1,305 @ $29.62
($38,653)
61,164
(-2.09%)
Indirect - By Derek Maetzold 2020 Irrevocable Trust
01/06/2025
10b5-1
01/08/2025
Sell
-2,715 @ $29.62
($80,412)
82,047
(-3.20%)
Direct
12/17/2024
10b5-1
12/19/2024
Sell
-9,364 @ $28.34
($265,358)
84,762
(-9.95%)
Direct
12/16/2024
10b5-1
12/17/2024
Sell
-11,059 @ $28.83
($318,864)
94,126
(-10.51%)
Direct
12/13/2024
10b5-1
12/17/2024
Sell
-505 @ $28.64
($14,463)
73,101
(-0.69%)
Indirect - By The Maetzold Descendants 2020 Trust
12/13/2024
10b5-1
12/17/2024
Sell
-13,485 @ $28.64
($386,209)
105,185
(-11.36%)
Direct