Companies / Castle Biosciences, Inc. / Activity

Activity — Castle Biosciences, Inc.

152 moves.

Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
InsidersInstitutions
DateActorActionSecurityValueShares ΔPosition afterImpact
Mar 12, 2026Maetzold Derek J
CEO
SellCommon Stock$585.9K-23K
-24.47%
71,558
0.23% of shares
medium
Mar 12, 2026Juvenal Tobin W
Executive
SellCommon Stock$526.6K-21K
-19.37%
86,825
0.28% of shares
medium
Mar 3, 2026Maetzold Derek J
CEO
OtherCommon Stock$525.0K-19K
-22.75%
64,655
0.21% of shares
low
Mar 4, 2026Maetzold Derek J
CEO
OtherCommon Stock$505.1K-18K
-14.49%
105,821
0.35% of shares
low
Mar 17, 2026Maetzold Derek J
CEO
SellCommon Stock$483.6K-19K
-45.73%
22,129
0.07% of shares
medium
Mar 16, 2026Maetzold Derek J
CEO
SellCommon Stock$453.0K-17K
-29.90%
40,905
0.13% of shares
medium
Mar 11, 2026Maetzold Derek J
CEO
SellCommon Stock$451.9K-17K
-15.45%
94,737
0.31% of shares
medium
Mar 13, 2026Maetzold Derek J
CEO
SellCommon Stock$336.0K-13K
-18.45%
58,354
0.19% of shares
medium
Mar 4, 2026Stokes Frank
Executive
OtherCommon Stock$302.3K-11K
-14.70%
62,286
0.20% of shares
low
Mar 4, 2026Juvenal Tobin W
Executive
OtherCommon Stock$292.9K-10K
-8.81%
107,688
0.35% of shares
low
Mar 4, 2026Oelschlager Kristen M
Executive
OtherCommon Stock$191.3K-7K
-14.82%
39,047
0.13% of shares
low
Mar 5, 2026Stokes Frank
Executive
SellCommon Stock$167.9K-6K
-9.08%
60,085
0.20% of shares
medium
Jan 20, 2026Maetzold Derek J
CEO
SellCommon Stock$160.7K-4K
-4.38%
87,715
0.29% of shares
medium
Apr 6, 2026Maetzold Derek J
CEO
SellCommon Stock$155.5K-6K
-22.44%
21,479
0.07% of shares
medium
Mar 3, 2026Stokes Frank
Executive
SellCommon Stock$144.8K-5K
-8.91%
54,183
0.18% of shares
medium
Mar 5, 2026Cole G Bradley
Director
SellCommon Stock$135.0K-5K
-17.77%
21,964
0.07% of shares
medium
Jun 1, 2026Maetzold Derek J
CEO
SellCommon Stock$129.6K-6K
-22.44%
21,479
0.07% of shares
medium
Feb 3, 2026Maetzold Derek J
CEO
SellCommon Stock$127.7K-3K
-3.65%
84,515
0.28% of shares
medium
May 7, 2026Maetzold Derek J
CEO
SellCommon Stock$117.2K-5K
-19.17%
22,385
0.07% of shares
medium
Mar 3, 2026Juvenal Tobin W
Executive
OtherCommon Stock$102.5K-4K
-3.87%
92,316
0.30% of shares
low
Jan 5, 2026Maetzold Derek J
CEO
SellCommon Stock$102.0K-3K
-7.99%
30,852
0.10% of shares
medium
Mar 3, 2026Stokes Frank
Executive
OtherCommon Stock$99.6K-4K
-6.88%
48,872
0.16% of shares
low
Mar 5, 2026Cole G Bradley
Director
SellCommon Stock$75.7K-3K
-12.09%
19,309
0.06% of shares
low
Mar 3, 2026Oelschlager Kristen M
Executive
OtherCommon Stock$66.9K-2K
-10.79%
20,068
0.07% of shares
low
Jan 6, 2026Maetzold Derek J
CEO
SellCommon Stock$53.7K-1K
-4.34%
29,513
0.10% of shares
low
Mar 3, 2026Stokes Frank
Executive
SellCommon Stock$47.3K-2K
-3.14%
52,483
0.17% of shares
low
Mar 11, 2026Maetzold Derek J
CEO
SellCommon Stock$35.4K-1K
-2.56%
51,566
0.17% of shares
low
Mar 26, 2026Maetzold Derek J
CEO
SellCommon Stock$34.7K-1K
-2.63%
50,209
0.16% of shares
low
Apr 21, 2026Maetzold Derek J
CEO
SellCommon Stock$34.1K-1K
-2.78%
47,495
0.16% of shares
low
Apr 6, 2026Maetzold Derek J
CEO
SellCommon Stock$34.0K-1K
-2.70%
48,852
0.16% of shares
low
Mar 11, 2026Maetzold Derek J
CEO
SellCommon Stock$30.3K-1K
-2.58%
43,826
0.14% of shares
low
Mar 26, 2026Maetzold Derek J
CEO
SellCommon Stock$29.5K-1K
-2.63%
42,673
0.14% of shares
low
Apr 21, 2026Maetzold Derek J
CEO
SellCommon Stock$28.9K-1K
-2.78%
40,367
0.13% of shares
low
Apr 6, 2026Maetzold Derek J
CEO
SellCommon Stock$28.9K-1K
-2.70%
41,520
0.14% of shares
low
Jun 1, 2026Maetzold Derek J
CEO
SellCommon Stock$28.3K-1K
-3.03%
43,424
0.14% of shares
low
Jun 15, 2026Maetzold Derek J
CEO
SellCommon Stock$28.0K-1K
-3.13%
42,067
0.14% of shares
low
May 7, 2026Maetzold Derek J
CEO
SellCommon Stock$25.6K-1K
-2.44%
46,336
0.15% of shares
low
Feb 4, 2026Maetzold Derek J
CEO
SellCommon Stock$24.4K-646
-0.76%
83,869
0.27% of shares
low
Jun 1, 2026Maetzold Derek J
CEO
SellCommon Stock$24.0K-1K
-3.03%
36,908
0.12% of shares
low
Jun 15, 2026Maetzold Derek J
CEO
SellCommon Stock$23.8K-1K
-3.12%
35,755
0.12% of shares
low
May 7, 2026Maetzold Derek J
CEO
SellCommon Stock$21.7K-985
-2.44%
39,382
0.13% of shares
low
May 21, 2026Maetzold Derek J
CEO
SellCommon Stock$20.9K-1K
-2.26%
44,781
0.15% of shares
low
May 7, 2026Maetzold Derek J
CEO
SellCommon Stock$20.5K-906
-4.05%
21,479
0.07% of shares
low
May 21, 2026Maetzold Derek J
CEO
SellCommon Stock$17.8K-880
-2.26%
38,061
0.12% of shares
low
Mar 18, 2026Maetzold Derek J
CEO
SellCommon Stock$16.5K-650
-2.94%
21,479
0.07% of shares
low
Mar 5, 2026Cole G Bradley
Director
ExerciseCommon Stock$16.0K+5K
+21.62%
26,712
0.09% of shares
low
Mar 11, 2026Maetzold Derek J
CEO
ExerciseCommon Stock$14.9K+6K
+5.88%
112,047
0.37% of shares
low
May 7, 2026Maetzold Derek J
CEO
ExerciseCommon Stock$14.9K+6K
+28.93%
27,693
0.09% of shares
low
Apr 6, 2026Maetzold Derek J
CEO
ExerciseCommon Stock$14.9K+6K
+28.93%
27,693
0.09% of shares
low
Jun 1, 2026Maetzold Derek J
CEO
ExerciseCommon Stock$14.4K+6K
+27.72%
27,693
0.09% of shares
low
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