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CSTL Sale Disclosure
Maetzold Derek J · SEC Form 4 · Filed Jul 29, 2026
Sale
Calculated transaction value
$1.25K
Maetzold Derek J Pres. & Chief Exec. Officer
CSTL
Castle Biosciences
CSTL
Transaction date
Jul 27, 2026
Public filing date
Jul 29, 2026
Filing lag
Filed 2 days later
CSTL daily price context
Close on/before transaction
$24.44
Jul 27, 2026
First close after public filing
$26.79
Jul 30, 2026
30-day return after filing
+25.05%
Through Aug 28, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 50 shares @ $25.06
- SEC ownership
- Indirect
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001628280-26-050616
Filing cohort
Transactions in this filing
Showing 15 of 16
Trades
16
Issuers
1
Estimated value
$252.53K
Buys / sales
0 / 14
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Castle Biosciences Inc CSTL | Exercise | Jul 27, 2026 | $14.85K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $250.6 |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $144.35K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $31.54K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $26.78K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $6.47K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $6.47K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $6.47K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $6.47K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $5.81K |
| Castle Biosciences Inc CSTL Current | Sale | Jul 27, 2026 | $1.25K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $1.08K |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $250.6 |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $250.6 |
| Castle Biosciences Inc CSTL | Sale | Jul 27, 2026 | $250.6 |