High-Impact Form 4 Intelligence
Real-time SEC insider trading data with advanced filtering. Free beta.
Total Buys (Filtered)
$0
$0
Total Sells (Filtered)
$5.1M
$5,091,416
| Ticker | Company | Reporting Owner | Date | Value (USD) | Type | Form 4 |
|---|---|---|---|---|---|---|
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-03-26
$85,289x4
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-03-26 | $85,289x4 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-03-18
$16,504
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-03-18 | $16,504 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -45.7%
2026-03-17
$483,594
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -45.7%
|
2026-03-17 | $483,594 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-03-16
$456,408x2
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-03-16 | $456,408x2 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -18.4%
2026-03-13
$336,002
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -18.4%
|
2026-03-13 | $336,002 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -24.5%
2026-03-12
$585,942
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -24.5%
|
2026-03-12 | $585,942 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-03-11
$532,310x5
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-03-11 | $532,310x5 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-02-04
$31,035x2
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-02-04 | $31,035x2 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-02-03
$127,722
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-02-03 | $127,722 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2026-01-20
$160,732
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2026-01-20 | $160,732 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-12-17
$20,380
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-12-17 | $20,380 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -26.9%
2025-12-16
$494,301
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -26.9%
|
2025-12-16 | $494,301 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-12-15
$757,099x2
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-12-15 | $757,099x2 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-12-04
$53,600
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-12-04 | $53,600 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-12-02
$105,058
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-12-02 | $105,058 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-11-26
$170,703
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-11-26 | $170,703 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -10.0%
2025-11-25
$204,851
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 SellΔOwn -10.0%
|
2025-11-25 | $204,851 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-11-18
$91,106
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-11-18 | $91,106 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-11-05
$85,297
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-11-05 | $85,297 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-11-04
$203,782x2
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-11-04 | $203,782x2 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-10-20
$30,047
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-10-20 | $30,047 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-10-02
$30,235
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-10-02 | $30,235 | S | Form 4 |
|
CSTL
S
CASTLE BIOSCIENCES INC
MAETZOLD DEREK J
• Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
2025-09-17
$29,419
|
||||||
| CSTL |
CASTLE BIOSCIENCES INC
|
Officer • Pres. & Chief Exec. Officer
10b5-1 Sell
|
2025-09-17 | $29,419 | S | Form 4 |