CASTLE BIOSCIENCES INC Insider Trading for December 2020

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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview

Overview of insider trading in CASTLE BIOSCIENCES INC for December 2020.

Date	Ticker	Company	Owner	Relationship	Transaction	Code	Cost ($)	Shares	Transaction Value ($)	Total Shares	% Holdings
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	69.72	100	6,972	1,257,252	1.3 M to 1.3 M (-0.01 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	69.02	5,645	389,635	1,257,352	1.3 M to 1.3 M (-0.45 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	68.33	9,255	632,431	1,262,997	1.3 M to 1.3 M (-0.73 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	73.69	300	22,108	1,272,252	1.3 M to 1.3 M (-0.02 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	72.06	300	21,617	1,272,552	1.3 M to 1.3 M (-0.02 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	70.31	500	35,153	1,272,852	1.3 M to 1.3 M (-0.04 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	69.11	100	6,911	1,273,352	1.3 M to 1.3 M (-0.01 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	67.72	1,000	67,720	1,273,452	1.3 M to 1.3 M (-0.08 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	66.80	3,950	263,860	1,274,452	1.3 M to 1.3 M (-0.31 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	66.07	4,229	279,402	1,278,402	1.3 M to 1.3 M (-0.33 %)
Dec 31 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	64.91	4,621	299,935	1,282,631	1.3 M to 1.3 M (-0.36 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	74.71	100	7,471	731,191	731.3 K to 731.2 K (-0.01 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	73.33	200	14,666	731,291	731.5 K to 731.3 K (-0.03 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	71.47	215	15,365	731,491	731.7 K to 731.5 K (-0.03 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	70.33	500	35,167	731,706	732.2 K to 731.7 K (-0.07 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	69.11	200	13,821	732,206	732.4 K to 732.2 K (-0.03 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	67.63	805	54,442	732,406	733.2 K to 732.4 K (-0.11 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	66.81	4,580	305,990	733,211	737.8 K to 733.2 K (-0.62 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	65.97	4,273	281,898	737,791	742.1 K to 737.8 K (-0.58 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	64.78	4,127	267,347	742,064	746.2 K to 742.1 K (-0.55 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	73.67	3,747	276,038	746,191	749.9 K to 746.2 K (-0.50 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	73.01	9,153	668,251	749,938	759.1 K to 749.9 K (-1.21 %)
Dec 30 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	71.58	2,100	150,326	759,091	761.2 K to 759.1 K (-0.28 %)
Dec 21 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	65.02	100	6,502	1,287,252	1.3 M to 1.3 M (-0.01 %)
Dec 21 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	64.21	500	32,105	1,287,352	1.3 M to 1.3 M (-0.04 %)
Dec 21 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	63.01	1,521	95,838	1,287,852	1.3 M to 1.3 M (-0.12 %)
Dec 21 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	62.20	4,129	256,824	1,289,373	1.3 M to 1.3 M (-0.32 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	69.27	81	5,611	1,293,502	1.3 M to 1.3 M (-0.01 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	68.18	473	32,249	1,293,583	1.3 M to 1.3 M (-0.04 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	67.00	1,024	68,605	1,294,056	1.3 M to 1.3 M (-0.08 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	64.95	1,360	88,327	1,295,080	1.3 M to 1.3 M (-0.10 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	63.91	2,012	128,587	1,296,440	1.3 M to 1.3 M (-0.15 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	63.10	1,300	82,033	1,298,452	1.3 M to 1.3 M (-0.10 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	68.65	100	6,865	1,299,752	1.3 M to 1.3 M (-0.01 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	67.69	560	37,909	1,299,852	1.3 M to 1.3 M (-0.04 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	67.12	1,800	120,814	1,300,412	1.3 M to 1.3 M (-0.14 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	65.98	2,590	170,893	1,302,212	1.3 M to 1.3 M (-0.20 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	65.01	900	58,506	1,304,802	1.3 M to 1.3 M (-0.07 %)
Dec 18 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	63.03	300	18,908	1,305,702	1.3 M to 1.3 M (-0.02 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Stokes Frank	Chief Financial Off ...	Option Exercise	A	0.00	8,000	0	8,000
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Stokes Frank	Chief Financial Off ...	Option Exercise	A	59.16	31,000	1,833,960	31,000
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Spiess Bernhard E.	Chief Business Offi ...	Option Exercise	A	0.00	6,000	0	6,000
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Spiess Bernhard E.	Chief Business Offi ...	Option Exercise	A	59.16	23,000	1,360,680	23,000
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Option Exercise	A	0.00	21,450	0	21,450
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Option Exercise	A	59.16	87,100	5,152,836	87,100
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	61.79	202	12,481	1,306,002	1.3 M to 1.3 M (-0.02 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	60.65	2,120	128,576	1,306,204	1.3 M to 1.3 M (-0.16 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	59.72	9,255	552,681	1,308,324	1.3 M to 1.3 M (-0.70 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	58.69	3,423	200,903	1,317,579	1.3 M to 1.3 M (-0.26 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	59.02	14,300	844,000	1,321,002	1.3 M to 1.3 M (-1.07 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	57.14	700	39,999	1,335,302	1.3 M to 1.3 M (-0.05 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	62.30	100	6,230	778,310	778.4 K to 778.3 K (-0.01 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	62.02	493	30,578	778,410	778.9 K to 778.4 K (-0.06 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	60.34	500	30,170	778,903	779.4 K to 778.9 K (-0.06 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	59.53	13,566	807,584	779,403	793 K to 779.4 K (-1.71 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	59.88	10,000	598,840	132,178	142.2 K to 132.2 K (-7.03 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	61.73	200	12,345	761,191	761.4 K to 761.2 K (-0.03 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	60.81	2,157	131,176	761,391	763.5 K to 761.4 K (-0.28 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	59.88	3,280	196,416	763,548	766.8 K to 763.5 K (-0.43 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	58.77	1,000	58,774	766,828	767.8 K to 766.8 K (-0.13 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	59.21	100	5,921	767,828	767.9 K to 767.8 K (-0.01 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	59.01	3,550	209,475	767,928	771.5 K to 767.9 K (-0.46 %)
Dec 14 2020	CSTL	CASTLE BIOSCIENCES ...	BRADBURY DANIEL	Director	Sell	S	57.03	100	5,703	771,478	771.6 K to 771.5 K (-0.01 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	59.21	4,612	273,077	792,969	797.6 K to 793 K (-0.58 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	59.21	5,388	319,023	797,581	803 K to 797.6 K (-0.67 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	59.17	35,441	2,097,044	802,969	838.4 K to 803 K (-4.23 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	57.43	4,683	268,945	838,410	843.1 K to 838.4 K (-0.56 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	56.74	18,141	1,029,320	843,093	861.2 K to 843.1 K (-2.11 %)
Dec 11 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	57.90	10,000	579,000	142,178	152.2 K to 142.2 K (-6.57 %)
Dec 09 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	56.20	4,612	259,213	861,234	865.8 K to 861.2 K (-0.53 %)
Dec 09 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	56.23	5,388	302,983	865,846	871.2 K to 865.8 K (-0.62 %)
Dec 09 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	56.28	27,176	1,529,574	871,234	898.4 K to 871.2 K (-3.02 %)
Dec 09 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	55.98	7,400	414,215	152,178	159.6 K to 152.2 K (-4.64 %)
Dec 09 2020	CSTL	CASTLE BIOSCIENCES ...	Cook Joseph C. III	Director	Sell	S	55.84	2,600	145,184	159,578	162.2 K to 159.6 K (-1.60 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	51.75	6,250	323,463	1,336,002	1.3 M to 1.3 M (-0.47 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	51.58	4,126	212,798	1,342,252	1.3 M to 1.3 M (-0.31 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	50.84	2,124	107,988	1,346,378	1.3 M to 1.3 M (-0.16 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	50.88	100	5,088	1,348,502	1.3 M to 1.3 M (-0.01 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	50.23	4,850	243,596	1,348,602	1.4 M to 1.3 M (-0.36 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	MAETZOLD DEREK J	Pres. & Chief Exec. ...	Sell	S	49.49	1,300	64,333	1,353,452	1.4 M to 1.4 M (-0.10 %)
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	Stokes Frank	Chief Financial Off ...	Option Exercise	M	3.38	2,000	6,760	26,712
Dec 04 2020	CSTL	CASTLE BIOSCIENCES ...	Stokes Frank	Chief Financial Off ...	Buy	M	3.38	2,000	6,760	3,886	1.9 K to 3.9 K (+106.04 %)
Dec 03 2020	CSTL	CASTLE BIOSCIENCES ...	Spiess Bernhard E.	Chief Business Offi ...	Sell	S	49.97	40,000	1,998,800	11,747	51.7 K to 11.7 K (-77.30 %)