Maetzold Derek J's Form 4 filing
Castle Biosciences IncCSTL · filed Oct 21, 2026
- Accession no.
- 0001628280-26-066724
- Filed
- Oct 21, 2026, 4:18 PM ET
- Trade date
- Oct 19, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 3 non-derivative transactions. Open-market sales total $462.6K. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Maetzold Derek JCIK 0001239501 | Director, Officer (Pres. & Chief Exec. Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 19, 2026 | Common Stock | SSaleDisposed | −8,580 | $31.91F2 | −$273,787.8 | 12,484 | Direct | |
| Oct 19, 2026 | Common Stock | SSaleDisposed | −3,198 | $31.91F2 | −$102,048.18 | 4,840 | Indirect | |
| Oct 19, 2026 | Common Stock | SSaleDisposed | −2,718 | $31.91F2 | −$86,731.38 | 4,114 | Indirect |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
This transaction was executed in multiple trades at prices ranging from $31.67 to $32.53, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
Referenced by the price of 3 transactions in Table I.