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 Apr 13, 2021, when has been sold 14,374 shares (Common Stock) at a price of $68.05 per share, resulting in proceeds of $978,151. 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
Apr 13 2021	SELL Open market or private sale	$978,151 $68.05 p/Share	14,374 Reduced 2.2%	637,888 Common Stock
Mar 30 2021	SELL Open market or private sale	$1,007,040 $59.68 p/Share	16,874 Reduced 2.52%	652,262 Common Stock
Mar 29 2021	SELL Open market or private sale	$768,061 $59.2 p/Share	12,974 Reduced 1.9%	669,136 Common Stock
Mar 26 2021	SELL Open market or private sale	$806,324 $60.74 p/Share	13,275 Reduced 1.91%	682,110 Common Stock
Mar 12 2021	SELL Open market or private sale	$937,538 $65.22 p/Share	14,375 Reduced 2.03%	695,385 Common Stock
Mar 11 2021	SELL Open market or private sale	$974,050 $67.76 p/Share	14,375 Reduced 1.99%	709,760 Common Stock
Mar 10 2021	SELL Open market or private sale	$932,219 $64.85 p/Share	14,375 Reduced 1.95%	724,135 Common Stock
Feb 26 2021	SELL Open market or private sale	$1,067,056 $74.23 p/Share	14,375 Reduced 1.91%	738,510 Common Stock
Feb 25 2021	SELL Open market or private sale	$1,127,144 $78.41 p/Share	14,375 Reduced 1.87%	752,885 Common Stock
Feb 24 2021	SELL Open market or private sale	$1,205,631 $83.87 p/Share	14,375 Reduced 1.84%	767,260 Common Stock
Feb 10 2021	SELL Open market or private sale	$1,406,162 $97.82 p/Share	14,375 Reduced 1.81%	781,635 Common Stock
Feb 09 2021	SELL Open market or private sale	$1,380,719 $96.05 p/Share	14,375 Reduced 1.77%	796,010 Common Stock
Feb 08 2021	SELL Open market or private sale	$1,366,200 $95.04 p/Share	14,375 Reduced 1.74%	810,385 Common Stock
Jan 29 2021	SELL Open market or private sale	$968,156 $67.35 p/Share	14,375 Reduced 1.71%	824,760 Common Stock
Jan 28 2021	SELL Open market or private sale	$979,512 $68.14 p/Share	14,375 Reduced 1.68%	839,135 Common Stock
Jan 27 2021	SELL Open market or private sale	$954,920 $66.42 p/Share	14,377 Reduced 1.66%	853,510 Common Stock
Jan 15 2021	SELL Open market or private sale	$1,088,051 $75.68 p/Share	14,377 Reduced 1.63%	867,887 Common Stock
Jan 14 2021	SELL Open market or private sale	$1,094,809 $76.15 p/Share	14,377 Reduced 1.6%	882,264 Common Stock
Jan 13 2021	SELL Open market or private sale	$1,058,291 $73.61 p/Share	14,377 Reduced 1.58%	896,641 Common Stock
Dec 30 2020	SELL Open market or private sale	$1,035,300 $69.02 p/Share	15,000 Reduced 1.18%	1,257,252 Common Stock
Dec 29 2020	SELL Open market or private sale	$1,032,450 $68.83 p/Share	15,000 Reduced 1.17%	1,272,252 Common Stock
Dec 18 2020	SELL Open market or private sale	$397,563 $63.61 p/Share	6,250 Reduced 0.48%	1,287,252 Common Stock
Dec 17 2020	SELL Open market or private sale	$412,937 $66.07 p/Share	6,250 Reduced 0.48%	1,293,502 Common Stock
Dec 16 2020	SELL Open market or private sale	$414,062 $66.25 p/Share	6,250 Reduced 0.48%	1,299,752 Common Stock
Dec 11 2020	SELL Open market or private sale	$903,150 $60.21 p/Share	15,000 Reduced 1.14%	1,306,002 Common Stock

DJM

Derek J Maetzold

Pres. & Chief Exec. Officer

Friendswood, TX

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