Maetzold Derek J

Pres. &Chief Exec. Officer

1 company

Strong

Trades Analyzed

180

12M Win Rate

73.0%

Avg 3M Return

+5.9%

Avg 12M Return

+20.8%

Maetzold Derek J is a Pres. &Chief Exec. Officer at CASTLE BIOSCIENCES INC. Recent SEC Form 4 filings include 0 buys and 98 sells.

Estimated insider holdings value: $312K based on current market prices.

Holdings by Company

CSTLJun 15, 2026

Current Shares12.6K

Value$312.2K

Net Activity-459,729

Bought: 0Sold: 459.7K

Showing 10 filings (page 4)

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Oct 14, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	5,127	$32.27	$165,463.67	-1.9%	-23.7%	-34.7%
Oct 8, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	2,562	$30.27	$77,549.18	-1.0%	-2.2%	-21.4%
Oct 4, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	2,565	$28.73	$73,702.71	-0.9%	-4.5%	-22.6%
Sep 16, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	5,127	$30.97	$158,793.44	-1.9%	-6.9%	-29.7%
Sep 11, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	2,616	$30.32	$79,317.12	-0.9%	-4.5%	-26.7%
Sep 9, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	2,586	$29.46	$76,175.80	-0.9%	+5.4%	-16.0%
Sep 4, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	1,914	$30.04	$57,492.72	-0.3%	+6.5%	-20.1%
Aug 30, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	4,441	$30.08	$133,583.74	-0.8%	+2.1%	-19.1%
Aug 26, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	2,960	$30.09	$89,056.36	-0.6%	+2.3%	-26.0%
Jun 3, 2024	CSTL Castle Biosciences Inc	Pres. &Chief Exec. Officer	Sell	6,336	$23.40	$148,272.76	-1.3%	+24.7%	-28.6%