Maetzold Derek J's Form 4 filing
Castle Biosciences Inc (CSTL) · filed Jul 6, 2026
- Accession no.
- 0001628280-26-047287
- Filed
- Jul 6, 2026, 4:25 PM ET
- Trade date
- Jul 1, 2026
- Filing delay
- 5 days
- Rule 10b5-1 plan
- Checked
This filing lists 8 non-derivative transactions and 1 derivative transaction. Open-market sales total $238.9K. It was filed 5 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 |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 | Common Stock | MOption exerciseAcquired | +6,214 | $2.39 | +$14,851.46 | 27,693 | Direct | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −6,214 | $24.29 | −$150,938.06 | 21,479 | Direct | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −1,357 | $24.29 | −$32,961.53 | 40,710 | Indirect | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −1,153 | $24.29 | −$28,006.37 | 34,602 | Indirect | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −278 | $24.29 | −$6,752.62 | 12,368 | Indirect | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −278 | $24.29 | −$6,752.62 | 12,368 | Indirect | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −278 | $24.29 | −$6,752.62 | 12,368 | Indirect | |
| Jul 1, 2026 | Common Stock | SSaleDisposed | −278 | $24.29 | −$6,752.62 | 12,368 | Indirect |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Jul 1, 2026 | Common Stock | MOption exerciseDisposed | −6,214 | $0.00 | $0 | 85,667 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.