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Cole G Bradley's Form 4 filing

Castle Biosciences Inc (CSTL) · filed Mar 9, 2026

Accession no.
0001447362-26-000008
Filed
Mar 9, 2026
Trade date
Mar 5, 2026
Filing delay
4 days
Rule 10b5-1 plan
Not checked

This filing lists 3 non-derivative transactions and 1 derivative transaction. Open-market sales total $210.7K. It was filed 4 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
Cole G BradleyCIK 0001337798Director

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
Mar 5, 2026Common StockMOption exerciseAcquired+4,748$3.38+$16,048.2426,712Direct
Mar 5, 2026Common StockSSaleDisposed−4,748$28.44F1−$135,033.1221,964Direct
Mar 5, 2026Common StockSSaleDisposed−2,655$28.51F2−$75,694.0519,309Direct

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.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Mar 5, 2026Common StockMOption exerciseDisposed−4,748$0.00$020,000Direct

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 executed in multiple trades at prices ranging from $28.39 to $28.51, 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.

F2

This transaction was executed in multiple trades at prices ranging from $28.47 to $28.57, 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)