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Maetzold Derek J's Form 4 filing

Castle Biosciences IncCSTL · filed Jul 29, 2026

Accession no.
0001628280-26-050616
Filed
Jul 29, 2026, 4:09 PM ET
Trade date
Jul 27, 2026
Filing delay
2 days
Rule 10b5-1 plan
Checked

This filing lists 15 non-derivative transactions and 1 derivative transaction. Open-market sales total $237.7K. 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.

Reporting owners on this filing
OwnerRelationship to the company
Maetzold Derek JCIK 0001239501Director, 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.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jul 27, 2026Common StockMOption exerciseAcquired+6,214$2.39+$14,851.4627,693Direct
Jul 27, 2026Common StockSSaleDisposed−5,982$24.13F2−$144,345.6621,711Direct
Jul 27, 2026Common StockSSaleDisposed−1,307$24.13F2−$31,537.9138,046Indirect
Jul 27, 2026Common StockSSaleDisposed−1,110$24.13F2−$26,784.332,339Indirect
Jul 27, 2026Common StockSSaleDisposed−268$24.13F2−$6,466.8411,822Indirect
Jul 27, 2026Common StockSSaleDisposed−268$24.13F2−$6,466.8411,822Indirect
Jul 27, 2026Common StockSSaleDisposed−268$24.13F2−$6,466.8411,822Indirect
Jul 27, 2026Common StockSSaleDisposed−268$24.13F2−$6,466.8411,822Indirect
Jul 27, 2026Common StockSSaleDisposed−232$25.06F9−$5,813.9221,479Direct
Jul 27, 2026Common StockSSaleDisposed−50$25.06F9−$1,25337,996Indirect
Jul 27, 2026Common StockSSaleDisposed−43$25.06F9−$1,077.5832,296Indirect
Jul 27, 2026Common StockSSaleDisposed−10$25.06F9−$250.611,812Indirect
Jul 27, 2026Common StockSSaleDisposed−10$25.06F9−$250.611,812Indirect
Jul 27, 2026Common StockSSaleDisposed−10$25.06F9−$250.611,812Indirect
Jul 27, 2026Common StockSSaleDisposed−10$25.06F9−$250.611,812Indirect

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
Jul 27, 2026Common StockMOption exerciseDisposed−6,214$0.00$078,903Direct

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 $23.85 to $24.62, 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 7 transactions in Table I.

F9

This transaction was executed in multiple trades at prices ranging from $24.97 to $25.11, 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 7 transactions in Table I.

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