MAETZOLD DEREK J

CSTL

MAETZOLD DEREK J serves as director, officer: Pres. & Chief Exec. Officer at Castle Biosciences, Inc. (CSTL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

152 trades

$59.71M

Net Position

Net Seller

$59.71M

Companies Traded

CSTL

Active Period

Feb 2021 – Jul 2026

152 total trades

Most Recent

Sell CSTL

Jul 6, 2026 · $218.7K

MAETZOLD DEREK J's Insider Trading at Castle Biosciences, Inc. (CSTL)

Buys

0 · $0.00

Sells

2 · $3.38M

Total Shares Bought

Total Shares Sold

43,125

CSTL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 26, 2021	Sell	14,375	$75.03	$1.08M	0
Feb 24, 2021	Sell	28,750	$79.96	$2.30M	0

Showing 151–152 of 152

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