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 84,762 shares of CSTL, which is worth approximately $2.38 Million. The most recent transaction as insider was on Jul 19, 2021, when has been sold 10,000 shares (Common Stock) at a price of $64.85 per share, resulting in proceeds of $648,500. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 84.8K

11.34% 3M change

32.27% 12M change

Total Value Held $2.38 Million

DEREK J MAETZOLD Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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
Jun 24 2021	SELL Open market or private sale	$751,200 $75.12 p/Share	10,000 Reduced 2.1%	466,018 Common Stock
Jun 23 2021	SELL Open market or private sale	$753,600 $75.36 p/Share	10,000 Reduced 2.06%	476,018 Common Stock
Jun 22 2021	SELL Open market or private sale	$745,600 $74.56 p/Share	10,000 Reduced 2.02%	486,018 Common Stock
Jun 10 2021	SELL Open market or private sale	$701,400 $70.14 p/Share	10,000 Reduced 1.98%	496,018 Common Stock
Jun 09 2021	SELL Open market or private sale	$723,900 $72.39 p/Share	10,000 Reduced 1.94%	506,018 Common Stock
Jun 08 2021	SELL Open market or private sale	$699,400 $69.94 p/Share	10,000 Reduced 1.9%	516,018 Common Stock
Jun 01 2021	SELL Open market or private sale	$144,939 $59.45 p/Share	2,438 Reduced 0.46%	526,018 Common Stock
May 28 2021	SELL Open market or private sale	$577,038 $60.76 p/Share	9,497 Reduced 1.77%	528,456 Common Stock
May 27 2021	SELL Open market or private sale	$236,473 $58.62 p/Share	4,034 Reduced 0.74%	537,953 Common Stock
May 26 2021	SELL Open market or private sale	$241,294 $59.83 p/Share	4,033 Reduced 0.74%	541,987 Common Stock
May 25 2021	SELL Open market or private sale	$520,240 $60.5 p/Share	8,599 Reduced 1.55%	546,020 Common Stock
May 20 2021	SELL Open market or private sale	$78,611 $60.47 p/Share	1,300 Reduced 0.23%	554,619 Common Stock
May 18 2021	SELL Open market or private sale	$6,009 $60.09 p/Share	100 Reduced 0.02%	555,919 Common Stock
May 13 2021	SELL Open market or private sale	$170,516 $51.16 p/Share	3,333 Reduced 0.6%	556,019 Common Stock
May 12 2021	SELL Open market or private sale	$174,683 $52.41 p/Share	3,333 Reduced 0.59%	559,352 Common Stock
May 11 2021	SELL Open market or private sale	$176,916 $53.08 p/Share	3,333 Reduced 0.59%	562,685 Common Stock
Apr 28 2021	SELL Open market or private sale	$984,475 $68.49 p/Share	14,374 Reduced 2.48%	566,018 Common Stock
Apr 27 2021	SELL Open market or private sale	$1,021,273 $71.05 p/Share	14,374 Reduced 2.42%	580,392 Common Stock
Apr 26 2021	SELL Open market or private sale	$995,112 $69.23 p/Share	14,374 Reduced 2.36%	594,766 Common Stock
Apr 15 2021	SELL Open market or private sale	$988,931 $68.8 p/Share	14,374 Reduced 2.31%	609,140 Common Stock
Apr 14 2021	SELL Open market or private sale	$1,013,080 $70.48 p/Share	14,374 Reduced 2.25%	623,514 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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