CSTL Sale Disclosure
Maetzold Derek J · SEC Form 4 · Filed Oct 21, 2026
Sale
Calculated transaction value
$102.05K
Maetzold Derek J Pres. & Chief Exec. Officer
CSTL
Castle Biosciences
CSTL
Transaction date
Oct 19, 2026
Public filing date
Oct 21, 2026
Filing lag
Filed 2 days later
CSTL daily price context
Close on/before transaction
$32.16
Oct 19, 2026
First close after public filing
$33.19
Oct 22, 2026
Return after filing · so far
+2.15%
Through Nov 10, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Common Stock
- Quantity / price
- 3,198 shares @ $31.91
- SEC ownership
- Indirect
- Transaction code
- S
- Form
- 4
- Filing identifier
- 0001628280-26-066724
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$462.57K
Buys / sales
0 / 3
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Castle Biosciences Inc CSTL | Sale | Oct 19, 2026 | $273.79K |
| Castle Biosciences Inc CSTL Current | Sale | Oct 19, 2026 | $102.05K |
| Castle Biosciences Inc CSTL | Sale | Oct 19, 2026 | $86.73K |