Maetzold Derek J's Form 4 filing
Castle Biosciences Inc (CSTL) · filed Jul 16, 2026
- Accession no.
- 0001628280-26-048461
- Filed
- Jul 16, 2026, 4:16 PM ET
- Trade date
- Jul 14, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 8 non-derivative transactions and 1 derivative transaction. Open-market sales total $95.6K. 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 |
|---|---|---|---|---|---|---|---|---|
| Jul 14, 2026 | Common Stock | MOption exerciseAcquired | +550 | $2.39 | +$1,314.5 | 22,029 | Direct | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −550 | $22.92 | −$12,606 | 21,479 | Direct | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −1,357 | $22.92 | −$31,102.44 | 39,353 | Indirect | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −1,153 | $22.92 | −$26,426.76 | 33,449 | Indirect | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −278 | $22.92 | −$6,371.76 | 12,090 | Indirect | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −278 | $22.92 | −$6,371.76 | 12,090 | Indirect | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −278 | $22.92 | −$6,371.76 | 12,090 | Indirect | |
| Jul 14, 2026 | Common Stock | SSaleDisposed | −278 | $22.92 | −$6,371.76 | 12,090 | 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 14, 2026 | Common Stock | MOption exerciseDisposed | −550 | $0.00 | $0 | 85,117 | 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.