Latest Insider Transactions at Castle Biosciences Inc (CSTL)
This section provides a real-time view of insider transactions for Castle Biosciences Inc (CSTL). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of CASTLE BIOSCIENCES INC to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of CASTLE BIOSCIENCES INC's insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Oct 20
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,339
-2.08%
|
$29,458
$22.44 P/Share
|
|
Oct 02
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,339
-2.04%
|
$29,458
$22.58 P/Share
|
|
Sep 17
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,339
-2.0%
|
$28,119
$21.97 P/Share
|
|
Sep 02
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,339
-1.96%
|
$30,797
$23.93 P/Share
|
|
Aug 27
2025
|
Kristen M Oelschlager Chief Operating Officer |
SELL
Open market or private sale
|
Direct |
30,684
-9.36%
|
$644,364
$21.86 P/Share
|
|
Aug 15
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,339
-1.92%
|
$26,780
$20.04 P/Share
|
|
Aug 13
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
43,019
-38.17%
|
$817,361
$19.5 P/Share
|
|
Aug 08
2025
|
Tobin W Juvenal Chief Commercial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,294
-4.83%
|
$81,586
$19.36 P/Share
|
|
Aug 08
2025
|
Tobin W Juvenal Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
10,640
+10.7%
|
-
|
|
Aug 08
2025
|
Kristen M Oelschlager Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
2,804
-1.61%
|
$53,276
$19.36 P/Share
|
|
Aug 08
2025
|
Kristen M Oelschlager Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
10,640
+5.74%
|
-
|
|
Aug 08
2025
|
Frank Stokes Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
4,356
-8.21%
|
$82,764
$19.36 P/Share
|
|
Aug 08
2025
|
Frank Stokes Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
9,744
+15.51%
|
-
|
|
Aug 08
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
23,972
-17.54%
|
$455,468
$19.36 P/Share
|
|
Aug 08
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
66,991
+32.89%
|
-
|
|
Jun 27
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
17,632
-14.72%
|
$352,640
$20.3 P/Share
|
|
Jun 27
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
4,944
-6.62%
|
$98,880
$20.3 P/Share
|
|
May 21
2025
|
G Bradley Cole Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+28.31%
|
-
|
|
May 21
2025
|
Kim Caple Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+27.86%
|
-
|
|
May 21
2025
|
Rodney Cotton Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+38.25%
|
-
|
|
May 21
2025
|
Daniel Bradbury Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+50.0%
|
-
|
|
May 21
2025
|
Miles Harrison Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+28.31%
|
-
|
|
May 21
2025
|
Tiffany Olson Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+25.08%
|
-
|
|
May 21
2025
|
Ellen Goldberg Director |
BUY
Exercise of conversion of derivative security
|
Direct |
8,673
+24.14%
|
-
|
|
Apr 21
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
4,408
-3.55%
|
$92,568
$21.52 P/Share
|
|
Apr 21
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,236
-1.63%
|
$25,956
$21.52 P/Share
|
|
Apr 09
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
3,647
-2.85%
|
$72,940
$20.22 P/Share
|
|
Apr 09
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,023
-1.33%
|
$20,460
$20.22 P/Share
|
|
Apr 08
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
761
-0.59%
|
$15,220
$20.03 P/Share
|
|
Apr 08
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
213
-0.28%
|
$4,260
$20.03 P/Share
|
|
Mar 26
2025
|
Rodney Cotton Director |
BUY
Exercise of conversion of derivative security
|
Direct |
5,329
+50.0%
|
-
|
|
Mar 26
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
4,408
-3.31%
|
$88,160
$20.3 P/Share
|
|
Mar 26
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,236
-1.58%
|
$24,720
$20.3 P/Share
|
|
Mar 10
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
2,130
-2.65%
|
$40,470
$19.52 P/Share
|
|
Mar 07
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
4,408
-1.61%
|
$88,160
$20.4 P/Share
|
|
Mar 07
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
22,639
-11.23%
|
$452,780
$20.4 P/Share
|
|
Mar 04
2025
|
Tobin W Juvenal Chief Commercial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
5,573
-6.65%
|
$122,606
$22.23 P/Share
|
|
Mar 04
2025
|
Tobin W Juvenal Chief Commercial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
13,811
+14.16%
|
-
|
|
Mar 04
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
4,440
-3.17%
|
$88,800
$20.86 P/Share
|
|
Mar 04
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
1,247
-1.2%
|
$24,940
$20.86 P/Share
|
|
Mar 04
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
7,576
-6.77%
|
$166,672
$22.23 P/Share
|
|
Mar 04
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
31,109
+21.75%
|
-
|
|
Mar 04
2025
|
Kristen M Oelschlager Chief Operating Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
3,640
-2.17%
|
$80,080
$22.23 P/Share
|
|
Mar 04
2025
|
Kristen M Oelschlager Chief Operating Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
13,811
+7.61%
|
-
|
|
Mar 04
2025
|
Frank Stokes Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
5,448
-11.17%
|
$119,856
$22.23 P/Share
|
|
Mar 04
2025
|
Frank Stokes Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
12,186
+19.99%
|
-
|
|
Feb 20
2025
|
Frank Stokes Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
8,046
-18.55%
|
$209,196
$26.7 P/Share
|
|
Feb 05
2025
|
Daniel Bradbury Director |
SELL
Open market or private sale
|
Indirect |
7,867
-100.0%
|
$220,276
$28.17 P/Share
|
|
Jan 13
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Indirect |
1,579
-0.72%
|
$44,212
$28.55 P/Share
|
|
Jan 13
2025
|
Derek J Maetzold Pres. & Chief Exec. Officer |
SELL
Open market or private sale
|
Direct |
986
-0.4%
|
$27,608
$28.55 P/Share
|