CASTLE BIOSCIENCES INC (CSTL) - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for CASTLE BIOSCIENCES INC
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-12-15
Sale
2025-12-17
4:20 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
32,346$38.69$1,251,400296,241
(Indirect
Direct)
View
2025-12-11
Sale
2025-12-15
4:09 pm
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
13,200$37.48$494,73686,825
(Direct)
View
2025-12-11
Sale
2025-12-15
4:08 pm
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
4,496$37.45$168,37550,326
(Direct)
View
2025-12-04
Sale
2025-12-08
4:28 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$40.03$53,600298,919
(Indirect
Direct)
View
2025-12-02
Sale
2025-12-04
4:08 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
2,678$39.23$105,058300,258
(Indirect
Direct)
View
2025-11-26
Sale
2025-12-01
4:09 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
4,258$40.09$170,703302,936
(Indirect
Direct)
View
2025-11-25
Sale
2025-11-26
2:58 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
5,115$40.05$204,851307,194
(Indirect
Direct)
View
2025-11-20
Sale
2025-11-24
4:24 pm
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
4,693$35.58$166,97798,035
(Indirect
Direct)
View
2025-11-18
Sale
2025-11-20
4:07 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
2,678$34.02$91,106312,309
(Indirect
Direct)
View
2025-11-11
Sale(A)
2025-11-14
4:09 pm
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
700$35.39$24,775118,763
(Indirect
Direct)
View
2025-11-11
Sale
2025-11-13
4:08 pm
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
5,388$35.08$189,01143,328
(Direct)
View
2025-11-11
Sale
2025-11-13
4:08 pm
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
700$35.39$24,77586,057
(Indirect
Direct)
View
2025-11-11
Sale
2025-11-13
4:07 pm
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
18,932$35.1$664,513109,574
(Indirect
Direct)
View
2025-11-04
Sale
2025-11-06
4:08 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
9,373$30.84$289,079314,987
(Indirect
Direct)
View
2025-10-31
Sale
2025-11-04
8:56 pm
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
12,678$25.04$317,457128,506
(Indirect
Direct)
View
2025-08-27
Sale(A)
2025-11-04
8:38 pm
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
18,007$21.69$390,572153,861
(Indirect
Direct)
View
2025-10-20
Sale
2025-10-23
09:30 am
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$22.44$30,047324,360
(Indirect
Direct)
View
2025-10-02
Sale
2025-10-06
4:11 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$22.58$30,235325,699
(Indirect
Direct)
View
2025-09-17
Sale
2025-09-19
4:05 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$21.97$29,419327,038
(Indirect
Direct)
View
2025-09-02
Sale
2025-09-04
4:04 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$23.93$32,042328,377
(Indirect
Direct)
View
2025-08-27
Sale
2025-08-29
4:04 pm
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
12,677$22.02$279,135141,116
(Direct)
View
2025-08-27
Sale
2025-08-29
4:04 pm
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
18,007$21.69$390,572153,793
(Direct)
View
2025-08-15
Sale
2025-08-19
4:04 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
1,339$20.04$26,834329,716
(Indirect
Direct)
View
2025-08-13
Sale
2025-08-15
4:14 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
43,019$19.5$839,043331,055
(Indirect
Direct)
View
2025-06-27
Sale
2025-07-01
4:05 pm
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
22,576$20.3$458,293222,298
(Indirect
Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2025-12-10
Tax Withholding
2025-12-11
6:48 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
6,070$38.02362,083
(Direct)
View
2025-12-09
Exercise
2025-12-11
6:48 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
48,919$0362,083
(Direct)
View
2025-12-09
Tax Withholding
2025-12-11
6:48 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
13,181$38.25362,083
(Direct)
View
2025-12-10
Tax Withholding
2025-12-11
6:47 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
2,552$38.02140,423
(Direct)
View
2025-12-09
Exercise
2025-12-11
6:47 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
22,131$0140,423
(Direct)
View
2025-12-09
Tax Withholding
2025-12-11
6:47 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
4,691$38.25140,423
(Direct)
View
2025-12-10
Tax Withholding
2025-12-11
6:46 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
2,758$38.0269,439
(Direct)
View
2025-12-09
Exercise
2025-12-11
6:46 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
20,786$069,439
(Direct)
View
2025-12-09
Tax Withholding
2025-12-11
6:46 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
6,534$38.2569,439
(Direct)
View
2025-12-10
Tax Withholding
2025-12-11
6:44 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
2,490$38.02115,986
(Direct)
View
2025-12-09
Exercise
2025-12-11
6:44 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
22,131$0115,986
(Direct)
View
2025-12-09
Tax Withholding
2025-12-11
6:44 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
6,441$38.25115,986
(Direct)
View
2025-11-20
Exercise
2025-11-24
4:24 pm
N/A
2029-03-12
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
4,693$098,035
(Direct)
View
2025-11-20
Exercise
2025-11-24
4:24 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
4,693$3.3898,035
(Direct)
View
2025-11-11
Exercise(A)
2025-11-14
4:09 pm
N/A
2029-03-12
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
700$0118,763
(Direct)
View
2025-11-11
Exercise(A)
2025-11-14
4:09 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
700$3.38118,763
(Direct)
View
2025-08-08
Exercise
2025-08-12
4:32 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
66,991$0374,074
(Direct)
View
2025-08-08
Tax Withholding
2025-08-12
4:32 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLMAETZOLD DEREK J
Pres. & Chief Exec. Officer
23,972$19.36374,074
(Direct)
View
2025-08-08
Exercise
2025-08-12
4:31 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
9,744$048,716
(Direct)
View
2025-08-08
Tax Withholding
2025-08-12
4:31 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLStokes Frank
Chief Financial Officer
4,356$19.3648,716
(Direct)
View
2025-08-08
Exercise
2025-08-12
4:31 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
10,640$0171,800
(Direct)
View
2025-08-08
Tax Withholding
2025-08-12
4:31 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOelschlager Kristen M
Chief Operating Officer
2,804$19.36171,800
(Direct)
View
2025-08-08
Exercise
2025-08-12
4:30 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
10,640$086,757
(Direct)
View
2025-08-08
Tax Withholding
2025-08-12
4:30 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLJuvenal Tobin W
Chief Commercial Officer
4,294$19.3686,757
(Direct)
View
2025-05-21
Exercise
2025-05-23
5:01 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCole G Bradley
Director
8,673$035,631
(Direct)
View
2025-05-22
Option Award
2025-05-23
5:01 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCole G Bradley
Director
13,667$035,631
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:19 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLBRADBURY DANIEL
Director
8,673$035,631
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:19 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLBRADBURY DANIEL
Director
13,667$035,631
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:17 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCotton Rodney
Director
17,346$027,669
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:17 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCotton Rodney
Director
13,667$027,669
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:16 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCaple Kim
Director
8,673$036,121
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:16 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLCaple Kim
Director
13,667$036,121
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:14 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLGoldberg Ellen
Director
8,673$040,921
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:14 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLGoldberg Ellen
Director
13,667$040,921
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:12 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOlson Tiffany
Director
8,673$039,573
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:12 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLOlson Tiffany
Director
13,667$039,573
(Direct)
View
2025-05-21
Exercise
2025-05-23
4:10 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLHarrison Miles
Director
8,673$035,631
(Direct)
View
2025-05-22
Option Award
2025-05-23
4:10 pm
N/A
N/A
CASTLE BIOSCIENCES INCCSTLHarrison Miles
Director
13,667$035,631
(Direct)
View
(A) Indicate amendment filing.
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