Derek J Maetzold Castle Biosciences Inc (CSTL) insider trading activity

Derek J Maetzold is Pres. & Chief Exec. Officer of CASTLE BIOSCIENCES INC. Currently has a direct ownership of 95,608 shares of CSTL, which is worth approximately $2.73 Million. The most recent transaction as insider was on Sep 16, 2024, when has been sold 1,972 shares (Common Stock) at a price of $30.97 per share, resulting in proceeds of $61,072. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 95.6K

65.15% 3M change

16.94% 12M change

Total Value Held $2.73 Million

DEREK J MAETZOLD Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 16 2024	SELL Open market or private sale	$61,072 $30.97 p/Share	1,972 Reduced 2.02%	95,608 Common Stock
Sep 11 2024	SELL Open market or private sale	$30,198 $30.32 p/Share	996 Reduced 1.01%	97,580 Common Stock
Sep 09 2024	SELL Open market or private sale	$29,342 $29.46 p/Share	996 Reduced 1.0%	98,576 Common Stock
Sep 04 2024	SELL Open market or private sale	$8,945 $30.02 p/Share	298 Reduced 0.3%	99,572 Common Stock
Sep 03 2024	SELL Open market or private sale	$12,530 $30.05 p/Share	417 Reduced 0.42%	99,870 Common Stock
Aug 30 2024	SELL Open market or private sale	$9,692 $30.1 p/Share	322 Reduced 0.32%	100,287 Common Stock
Aug 29 2024	SELL Open market or private sale	$40,113 $30.07 p/Share	1,334 Reduced 1.31%	100,609 Common Stock
Aug 26 2024	SELL Open market or private sale	$2,283 $30.05 p/Share	76 Reduced 0.07%	101,943 Common Stock
Aug 23 2024	SELL Open market or private sale	$31,203 $30.09 p/Share	1,037 Reduced 1.01%	102,019 Common Stock
Aug 09 2024	SELL Payment of exercise price or tax liability	$585,645 $26.83 p/Share	21,828 Reduced 17.48%	103,056 Common Stock
Aug 09 2024	BUY Grant, award, or other acquisition	-	66,991 Added 34.91%	124,884 Common Stock
Jun 03 2024	SELL Open market or private sale	$56,074 $23.68 p/Share	2,368 Reduced 3.93%	57,893 Common Stock
May 14 2024	SELL Open market or private sale	$58,158 $24.56 p/Share	2,368 Reduced 3.78%	60,261 Common Stock
May 06 2024	SELL Open market or private sale	$58,536 $24.72 p/Share	2,368 Reduced 3.64%	62,629 Common Stock
Apr 23 2024	SELL Open market or private sale	$8,466 $20.11 p/Share	421 Reduced 0.64%	64,997 Common Stock
Apr 12 2024	SELL Open market or private sale	$39,621 $20.35 p/Share	1,947 Reduced 2.89%	65,418 Common Stock
Apr 03 2024	SELL Open market or private sale	$51,385 $21.7 p/Share	2,368 Reduced 3.4%	67,365 Common Stock
Mar 21 2024	SELL Open market or private sale	$1,511 $20.7 p/Share	73 Reduced 0.1%	69,733 Common Stock
Mar 20 2024	SELL Open market or private sale	$46,519 $20.27 p/Share	2,295 Reduced 3.18%	69,806 Common Stock
Mar 07 2024	SELL Open market or private sale	$49,266 $20.77 p/Share	2,372 Reduced 3.19%	72,101 Common Stock
Mar 05 2024	SELL Open market or private sale	$88,444 $21.41 p/Share	4,131 Reduced 5.26%	74,473 Common Stock
Mar 05 2024	BUY Exercise of conversion of derivative security	$39,751 $3.72 p/Share	10,686 Added 11.97%	78,604 Common Stock
Dec 28 2023	SELL Open market or private sale	$87,660 $22.17 p/Share	3,954 Reduced 5.81%	64,084 Common Stock
Dec 27 2023	SELL Open market or private sale	$176,864 $21.9 p/Share	8,076 Reduced 10.61%	68,038 Common Stock
Dec 26 2023	SELL Open market or private sale	$113,597 $21.93 p/Share	5,180 Reduced 6.37%	76,114 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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