MAETZOLD DEREK J sold CSTL

August 13, 2025 · Form 4 insider transaction

MAETZOLD DEREK J sold 43,019 shares of Castle Biosciences, Inc. at $19.50 per share, a transaction worth $839.0K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
43,019
Price
$19.50
Total value
$839.0K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 13, 2025
Filing dateAugust 15, 2025
Shares owned after69,683
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, The Maetzold Descendants 2020 Trust, Derek Maetzold 2020 Irrevocable Trust, The Maetzold 2018 Remainder Trust f/b/o Emily Carol Kirk, The Maetzold 2018 Remainder Trust f/b/o Hannah Elizabeth Maetzold, The Maetzold 2018 Remainder Trust f/b/o John Derek Maetzold, and The Maetzold 2018 Remainder Trust f/b/o Peter Douglas Maetzold on November 11, 2024.; This transaction was executed in multiple trades at prices ranging from $19.265 to $19.880, 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.

View the original Form 4 on SEC EDGAR
MAETZOLD DEREK J sold CSTL: August 13, 2025 | Insider Trading Screener