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 62,988 shares of CSTL, which is worth approximately $1.45 Million. The most recent transaction as insider was on Apr 26, 2022, when has been sold 22,311 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 63K

9.61% 3M change

31.28% 12M change

Total Value Held $1.45 Million

DEREK J MAETZOLD Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Apr 26 2022	BUY Grant, award, or other acquisition	-	22,311 Added 9.95%	201,934 Common Stock
Dec 10 2021	SELL Payment of exercise price or tax liability	$85,538 $40.52 p/Share	2,111 Reduced 0.91%	229,679 Common Stock
Dec 10 2021	BUY Exercise of conversion of derivative security	-	5,363 Added 2.26%	231,790 Common Stock
Nov 16 2021	BUY Exercise of conversion of derivative security	$57,321 $3.72 p/Share	15,409 Added 4.86%	301,427 Common Stock
Nov 15 2021	SELL Open market or private sale	$865,581 $52.76 p/Share	16,406 Reduced 5.42%	286,018 Common Stock
Nov 15 2021	BUY Exercise of conversion of derivative security	$38,718 $2.36 p/Share	16,406 Added 5.15%	302,424 Common Stock
Sep 30 2021	SELL Open market or private sale	$659,400 $65.94 p/Share	10,000 Reduced 3.38%	286,018 Common Stock
Sep 29 2021	SELL Open market or private sale	$662,500 $66.25 p/Share	10,000 Reduced 3.27%	296,018 Common Stock
Sep 28 2021	SELL Open market or private sale	$674,200 $67.42 p/Share	10,000 Reduced 3.16%	306,018 Common Stock
Sep 15 2021	SELL Open market or private sale	$742,300 $74.23 p/Share	10,000 Reduced 3.07%	316,018 Common Stock
Sep 14 2021	SELL Open market or private sale	$749,900 $74.99 p/Share	10,000 Reduced 2.98%	326,018 Common Stock
Sep 13 2021	SELL Open market or private sale	$728,800 $72.88 p/Share	10,000 Reduced 2.89%	336,018 Common Stock
Aug 31 2021	SELL Open market or private sale	$755,300 $75.53 p/Share	10,000 Reduced 2.81%	346,018 Common Stock
Aug 30 2021	SELL Open market or private sale	$751,800 $75.18 p/Share	10,000 Reduced 2.73%	356,018 Common Stock
Aug 27 2021	SELL Open market or private sale	$742,000 $74.2 p/Share	10,000 Reduced 2.66%	366,018 Common Stock
Aug 18 2021	SELL Open market or private sale	$274,474 $61.13 p/Share	4,490 Reduced 1.18%	376,018 Common Stock
Aug 17 2021	SELL Open market or private sale	$326,412 $59.24 p/Share	5,510 Reduced 1.43%	380,508 Common Stock
Aug 16 2021	SELL Open market or private sale	$615,900 $61.59 p/Share	10,000 Reduced 2.53%	386,018 Common Stock
Aug 13 2021	SELL Open market or private sale	$651,900 $65.19 p/Share	10,000 Reduced 2.46%	396,018 Common Stock
Jul 21 2021	SELL Open market or private sale	$676,700 $67.67 p/Share	10,000 Reduced 2.4%	406,018 Common Stock
Jul 20 2021	SELL Open market or private sale	$663,500 $66.35 p/Share	10,000 Reduced 2.35%	416,018 Common Stock
Jul 19 2021	SELL Open market or private sale	$648,500 $64.85 p/Share	10,000 Reduced 2.29%	426,018 Common Stock
Jul 09 2021	SELL Open market or private sale	$721,100 $72.11 p/Share	10,000 Reduced 2.24%	436,018 Common Stock
Jul 08 2021	SELL Open market or private sale	$691,700 $69.17 p/Share	10,000 Reduced 2.19%	446,018 Common Stock
Jul 07 2021	SELL Open market or private sale	$705,000 $70.5 p/Share	10,000 Reduced 2.15%	456,018 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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