Maetzold Derek J's Form 4 filing
Castle Biosciences Inc (CSTL) · filed Feb 5, 2026
- Accession no.
- 0001628280-26-005794
- Filed
- Feb 5, 2026
- Trade date
- Feb 3-4, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 3 non-derivative transactions. Open-market sales total $158.7K. 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 |
|---|---|---|---|---|---|---|---|---|
| Feb 3, 2026 | Common Stock | SSaleDisposed | −3,200 | $39.91F2 | −$127,712 | 84,515 | Direct | |
| Feb 4, 2026 | Common Stock | SSaleDisposed | −646 | $37.82F3 | −$24,431.72 | 83,869 | Direct | |
| Feb 4, 2026 | Common Stock | SSaleDisposed | −171 | $38.61F4 | −$6,602.31 | 83,698 | Direct |
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 $39.590 to $40.360, 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 1 transaction in Table I.
- F3
This transaction was executed in multiple trades at prices ranging from $37.490 to $38.080, 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 1 transaction in Table I.
- F4
This transaction was executed in multiple trades at prices ranging from $38.520 to $38.885, 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 1 transaction in Table I.