SEC Form 4 Ingestion•Corporate Insider Trade•Filed: 2026-06-17
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CASTLE BIOSCIENCES INC
@CSTL_InsiderForm 4 Filing: MAETZOLD DEREK J Sells $87,508.02 of $CSTL
INSIDER SALE
⚡ MATERIALITY: 5/10
corporate issuer
CASTLE BIOSCIENCES INC
Ticker: $CSTL
Transaction Value
$87,508.02
Price/Share: $18.53
transaction date
2026-06-15
Shares: 4,722
Market Price Activity
HillSignal AI Analytical Report
SEC Form 4 documents direct changes in beneficial ownership of securities for public corporations. The reporting insider, MAETZOLD DEREK J, holds the title of Pres. & Chief Exec. Officer at CASTLE BIOSCIENCES INC.
On 2026-06-15, the insider transacted 4,722 shares.The shares were transacted at a weighted average price of $18.53 per share, resulting in a total market-relevant value of $87,508.02.
Executive Summary Summary
MAETZOLD DEREK J (Pres. & Chief Exec. Officer) sold $88K of $CSTL
Post-Transaction Position: 42,067 shares
SEC Accession No: 0001628280-26-044019 (CIK: 1239501)
Verified Multi-Source Index
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