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Juvenal Tobin W's Form 4 filing

Castle Biosciences Inc (CSTL) · filed Oct 1, 2026

Accession no.
0001628280-26-064267
Filed
Oct 1, 2026, 4:21 PM ET
Trade date
Sep 29-30, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 2 non-derivative transactions. Open-market sales total $232.1K. 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.

Reporting owners on this filing
OwnerRelationship to the company
Juvenal Tobin WCIK 0001856542Officer (Chief Commercial Officer)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 29, 2026Common StockSSaleDisposed−5,543$35.50F2−$196,765.4153,041Direct
Sep 30, 2026Common StockSSaleDisposed−1,034$34.20F3−$35,362.852,007Direct

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 $35.010 to $35.935, 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 $34.090 to $34.525, 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.

Read the full filing on SEC EDGAR (opens in a new tab)