Juvenal Tobin W's Form 4/A amendment
AmendedCastle Biosciences Inc (CSTL) · filed Nov 14, 2025
- Accession no.
- 0001628280-25-052350
- Filed
- Nov 14, 2025
- Trade date
- Nov 11-12, 2025
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
- Original filed
- Nov 13, 2025
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $24.8K. It was filed 3 days after the trade.
This amendment replaces 0001628280-25-052019 (filed Nov 13, 2025).
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 |
|---|---|
| Juvenal Tobin WCIK 0001856542 | Officer (Chief Commercial 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 |
|---|---|---|---|---|---|---|---|---|
| Nov 11, 2025 | Common Stock | MOption exerciseAcquired | +500 | $3.38 | +$1,690 | 85,027 | Direct | |
| Nov 11, 2025 | Common Stock | SSaleDisposed | −500 | $35.39F2 | −$17,695 | 84,527 | Direct | |
| Nov 12, 2025 | Common Stock | MOption exerciseAcquired | +200 | $3.38 | +$676 | 84,727 | Direct | |
| Nov 12, 2025 | Common Stock | SSaleDisposed | −200 | $35.40F3 | −$7,080 | 84,527 | Direct |
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 |
|---|---|---|---|---|---|---|---|---|
| Nov 11, 2025 | Common Stock | MOption exerciseDisposed | −500 | $0.00 | $0 | 16,103 | Direct | |
| Nov 12, 2025 | Common Stock | MOption exerciseDisposed | −200 | $0.00 | $0 | 15,903 | 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.
- F1
This transaction was made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person on September 11, 2024.
- F2
This transaction was executed in multiple trades at prices ranging from $35.38 to $35.40, 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 at a price of $35.40. 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
Held by Tobin W and Susan M Juvenal Family Revocable Trust of which the Reporting Person and his spouse are the trustees and the Reporting Person, his spouse and their children are the beneficiaries.
- F5
The exercise of the options was inadvertently omitted from the original Form 4 filing and is now being reported in this Amendment.
- F6
The shares subject to the option are fully vested.