NASDAQ:CSTL

Castle Biosciences Insider Trades

$77.32

+1.11 (+1.46 %)

(As of 09/17/2021 12:00 AM ET)

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Today's Range

$75.01

▼

$78.47

50-Day Range

$60.13

▼

$77.60

52-Week Range

$43.37

▼

$107.69

Volume382,325 shs

Average Volume143,203 shs

Market Capitalization$1.95 billion

P/E RatioN/A

Dividend YieldN/A

Beta0.42

Castle Biosciences (NASDAQ:CSTL) Insider Buying and Selling Activity

39.70% of Castle Biosciences' shares are owned by company executives, directors and other insiders. Over the past twelve months, Castle Biosciences insiders have sold shares 70 time(s), totalling $74,737,680.15. Insiders that have sold shares include Derek J. Maetzold, Bernhard E Spiess, Daniel Bradbury, Derek J Maetzold, David S Kabakoff, Tobin W Juvenal, Frank Stokes, Joseph C Cook III, and Mara G Aspinall.

Insider Buying and Selling by Quarter

Castle Biosciences (NASDAQ CSTL) Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
9/14/2021	Derek J. Maetzold	Insider	Sell	3,333	$74.38	$247,908.54	345,018
9/2/2021	Bernhard E Spiess	Insider	Sell	15,401	$75.78	$1,167,087.78
8/31/2021	Derek J. Maetzold	Insider	Sell	10,000	$75.70	$757,000.00	355,124
8/17/2021	Daniel Bradbury	Director	Sell	644	$60.02	$38,652.88
8/17/2021	Derek J Maetzold	Insider	Sell	5,510	$59.01	$325,145.10
8/3/2021	Daniel Bradbury	Director	Sell	5,000	$69.62	$348,100.00
8/3/2021	Derek J Maetzold	Insider	Sell	4,020	$70.35	$282,807.00
7/26/2021	Daniel Bradbury	Director	Sell	5,000	$66.78	$333,900.00
7/21/2021	Derek J Maetzold	Insider	Sell	10,000	$68.06	$680,600.00	413,893
7/21/2021	Derek J Maetzold	Insider	Sell	10,000	$68.06	$680,600.00

7/19/2021	Derek J Maetzold	Insider	Sell	10,000	$64.62	$646,200.00
7/9/2021	Derek J Maetzold	Insider	Sell	10,000	$72.56	$725,600.00
7/8/2021	Daniel Bradbury	Director	Sell	5,000	$69.56	$347,800.00
7/7/2021	Derek J Maetzold	Insider	Sell	10,000	$70.04	$700,400.00
6/24/2021	Derek J Maetzold	Insider	Sell	10,000	$74.93	$749,300.00	468,118
6/22/2021	Derek J. Maetzold	Insider	Sell	10,000	$74.56	$745,600.00	491,005
6/17/2021	David S Kabakoff	Director	Sell	30,000	$75.07	$2,252,100.00
6/17/2021	Tobin W Juvenal	Insider	Sell	10,000	$75.40	$754,000.00	8,090
6/16/2021	Frank Stokes	CFO	Sell	2,127	$73.07	$155,419.89
6/8/2021	Derek J Maetzold	Insider	Sell	10,000	$70.18	$701,800.00	523,904
5/27/2021	Derek J Maetzold	Insider	Sell	4,034	$58.73	$236,916.82	540,489
5/25/2021	Derek J Maetzold	Insider	Sell	8,599	$60.50	$520,239.50	546,020
5/20/2021	Derek J Maetzold	Insider	Sell	1,300	$60.47	$78,611.00	554,619
5/13/2021	Derek J Maetzold	Insider	Sell	3,333	$50.71	$169,016.43	558,466
4/28/2021	Derek J Maetzold	Insider	Sell	14,374	$68.48	$984,331.52	576,626
4/26/2021	Derek J. Maetzold	Insider	Sell	14,374	$69.17	$994,249.58	602,541
4/22/2021	Daniel Bradbury	Director	Sell	15,000	$63.69	$955,350.00
4/13/2021	Derek J Maetzold	Insider	Sell	14,374	$67.94	$976,569.56	649,001
4/7/2021	Daniel Bradbury	Director	Sell	15,000	$72.81	$1,092,150.00
4/5/2021	David S Kabakoff	Director	Sell	70,000	$72.20	$5,054,000.00
3/31/2021	David S Kabakoff	Director	Sell	30,000	$67.76	$2,032,800.00
3/29/2021	Derek J Maetzold	Insider	Sell	12,974	$58.94	$764,687.56	690,410
3/26/2021	Derek J Maetzold	Insider	Sell	13,275	$60.45	$802,473.75	690,410
3/24/2021	Daniel Bradbury	Director	Sell	7,500	$63.09	$473,175.00
3/22/2021	David S Kabakoff	Director	Sell	10,000	$67.12	$671,200.00
3/19/2021	David S Kabakoff	Director	Sell	10,000	$66.17	$661,700.00
3/16/2021	David S Kabakoff	Director	Sell	120,000	$63.74	$7,648,800.00
3/12/2021	Derek J Maetzold	Insider	Sell	14,375	$64.30	$924,312.50	705,397
3/10/2021	Derek J Maetzold	Insider	Sell	14,375	$65.08	$935,525.00	735,325
2/23/2021	Daniel Bradbury	Director	Sell	7,500	$79.63	$597,225.00
2/10/2021	Daniel Bradbury	Director	Sell	15,000	$95.35	$1,430,250.00
2/9/2021	Derek J Maetzold	Insider	Sell	28,750	$95.21	$2,737,287.50
1/27/2021	Derek J Maetzold	Insider	Sell	14,377	$66.08	$950,032.16	862,513
1/25/2021	Daniel Bradbury	Director	Sell	7,500	$76.94	$577,050.00
1/14/2021	Derek J Maetzold	Insider	Sell	28,754	$74.83	$2,151,661.82	910,618
1/12/2021	Daniel Bradbury	Director	Sell	12,113	$78.29	$948,326.77
1/12/2021	Frank Stokes	CFO	Sell	7,500	$78.14	$586,050.00	11,386
12/29/2020	Daniel Bradbury	Director	Sell	30,000	$69.69	$2,090,700.00
12/29/2020	Derek J Maetzold	Insider	Sell	15,000	$66.45	$996,750.00	1,282,631
12/16/2020	Derek J Maetzold	Insider	Sell	6,250	$66.22	$413,875.00	1,305,702
12/10/2020	Derek J Maetzold	Insider	Sell	15,000	$58.93	$883,950.00	1,335,302
12/10/2020	Joseph C Cook III	Director	Sell	78,265	$58.35	$4,566,762.75	142,178
12/8/2020	Joseph C Cook III	Director	Sell	47,176	$56.20	$2,651,291.20	142,178
12/4/2020	Derek J Maetzold	Insider	Sell	18,750	$51.05	$957,187.50	1,353,452
12/2/2020	Derek J Maetzold	Insider	Sell	6,250	$50.08	$313,000.00	1,353,452
11/18/2020	Derek J Maetzold	Insider	Sell	18,750	$48.82	$915,375.00
11/13/2020	Frank Stokes	CFO	Sell	26,000	$50.87	$1,322,620.00
11/5/2020	Derek J Maetzold	Insider	Sell	18,750	$49.63	$930,562.50	1,408,748
11/3/2020	Derek J Maetzold	Insider	Sell	6,250	$47.52	$297,000.00	1,408,748
10/28/2020	Derek J Maetzold	Insider	Sell	1,200	$49.54	$59,448.00	1,412,248
10/20/2020	Daniel Bradbury	Director	Sell	11,750	$49.70	$583,975.00
10/20/2020	Derek J Maetzold	Insider	Sell	1,000	$49.65	$49,650.00	1,414,448
10/14/2020	Joseph C Cook III	Director	Sell	6,475	$54.58	$353,405.50	192,502
10/13/2020	Frank Stokes	CFO	Sell	13,000	$54.79	$712,270.00	14,886
10/12/2020	Joseph C Cook III	Director	Sell	19,676	$54.84	$1,079,031.84	192,502
10/9/2020	David S Kabakoff	Director	Sell	50,000	$54.20	$2,710,000.00
10/5/2020	David S Kabakoff	Director	Sell	25,000	$52.09	$1,302,250.00
10/2/2020	Derek J Maetzold	Insider	Sell	18,640	$51.64	$962,569.60
10/2/2020	Mara G Aspinall	Director	Sell	2,500	$52.48	$131,200.00
9/22/2020	Derek J Maetzold	Insider	Sell	36,160	$51.46	$1,860,793.60	1,461,611
9/16/2020	Daniel Bradbury	Director	Sell	3,750	$48.38	$181,425.00
9/15/2020	Frank Stokes	CFO	Sell	26,000	$49.52	$1,287,520.00
9/10/2020	Derek J Maetzold	Insider	Sell	41,924	$49.49	$2,074,818.76	1,516,833
9/8/2020	Bernhard E. Spiess	Insider	Sell	14,888	$49.00	$729,512.00	51,747
9/8/2020	Joseph C Cook III	Director	Sell	69,265	$48.30	$3,345,499.50	212,178
9/4/2020	Bernhard E. Spiess	Insider	Sell	25,112	$47.41	$1,190,559.92
9/4/2020	Joseph C Cook III	Director	Sell	61,838	$46.93	$2,902,057.34	212,178
9/2/2020	Daniel Bradbury	Director	Sell	7,500	$45.66	$342,450.00
8/31/2020	Joseph C Cook III	Director	Sell	8,228	$45.84	$377,171.52	212,178
8/28/2020	Joseph C Cook III	Director	Sell	71,940	$46.03	$3,311,398.20
8/26/2020	Joseph C Cook III	Director	Sell	5,049	$45.85	$231,496.65	212,178
8/24/2020	Joseph C Cook III	Director	Sell	8,877	$45.90	$407,454.30	212,178
8/20/2020	Joseph C Cook III	Director	Sell	17,369	$45.84	$796,194.96	212,178
8/18/2020	Daniel Bradbury	Director	Sell	3,750	$43.18	$161,925.00
8/13/2020	Derek J Maetzold	Insider	Sell	13,500	$41.23	$556,605.00
8/6/2020	Daniel Bradbury	Director	Sell	3,750	$41.34	$155,025.00
8/5/2020	Derek J Maetzold	Insider	Sell	5,000	$41.67	$208,350.00	1,572,348
7/21/2020	Daniel Bradbury	Director	Sell	3,750	$41.81	$156,787.50
7/21/2020	Derek J Maetzold	Insider	Sell	7,000	$41.97	$293,790.00	1,587,718
7/17/2020	David S Kabakoff	Director	Sell	25,000	$43.04	$1,076,000.00
7/15/2020	Derek J Maetzold	Insider	Sell	28,000	$41.96	$1,174,880.00	1,604,223
7/8/2020	Daniel Bradbury	Director	Sell	7,500	$41.08	$308,100.00
6/24/2020	Joseph C Cook III	Director	Sell	100	$43.11	$4,311.00	212,178
6/22/2020	David S Kabakoff	Director	Sell	175,000	$40.50	$7,087,500.00	212,178
6/18/2020	Joseph C Cook III	Director	Sell	73,944	$41.71	$3,084,204.24	212,178
6/15/2020	Joseph C Cook III	Director	Sell	22,195	$39.67	$880,475.65	212,178
6/10/2020	Joseph C Cook III	Director	Sell	2,108	$39.00	$82,212.00	212,178
6/3/2020	Daniel Bradbury	Director	Sell	3,750	$37.01	$138,787.50
5/28/2020	Joseph C Cook III	Director	Sell	15,520	$38.66	$600,003.20	208,053
5/27/2020	Derek J Maetzold	Insider	Sell	5,000	$36.75	$183,750.00	1,625,348
5/26/2020	Joseph C Cook III	Director	Sell	23,820	$38.69	$921,595.80	208,053
5/22/2020	Derek J Maetzold	Insider	Sell	5,000	$36.97	$184,850.00	1,628,359
5/21/2020	Daniel Bradbury	Director	Sell	3,750	$37.21	$139,537.50	208,053
5/19/2020	Joseph C Cook III	Director	Sell	900	$37.03	$33,327.00	208,053
5/12/2020	Sofinnova Healthquest Partners	Major Shareholder	Sell	250,000	$34.50	$8,625,000.00
4/30/2020	Bonnie H Anderson	Director	Sell	3,000	$30.25	$90,750.00
2/19/2020	David S Kabakoff	Director	Sell	25,000	$32.03	$800,750.00
2/13/2020	David S Kabakoff	Director	Sell	25,000	$32.01	$800,250.00
2/6/2020	Sofinnova Healthquest Partners	Major Shareholder	Sell	25,000	$31.03	$775,750.00
1/28/2020	Sofinnova Healthquest Partners	Major Shareholder	Sell	25,000	$30.02	$750,500.00
7/29/2019	David S Kabakoff	Director	Buy	62,500	$16.00	$1,000,000.00
7/29/2019	Mgc Venture Partners 2013 Gp,	Major Shareholder	Buy	312,500	$16.00	$5,000,000.00

(Data available from 1/1/2013 forward)

Castle Biosciences (NASDAQ:CSTL) Insider Trade Frequently Asked Questions

Who is on Castle Biosciences's Insider Roster?

The list of insiders at Castle Biosciences includes Bernhard E Spiess, Bonnie H Anderson, Daniel Bradbury, David S Kabakoff, Derek J Maetzold, Frank Stokes, Joseph C Cook III, Mara G Aspinall, Mgc Venture Partners 2013 Gp,, Sofinnova Healthquest Partners, and Tobin W Juvenal.Learn more on CSTL's insiders

What percentage of Castle Biosciences stock is owned by insiders?

39.70% of Castle Biosciences stock is owned by insiders. Learn more on CSTL's insider holdings

Which Castle Biosciences insiders have been selling company stock?

The following insiders have sold Castle Biosciences stock in the last 24 months: Bernhard E Spiess ($1,167,087.78), Bonnie H Anderson ($90,750.00), Daniel Bradbury ($11,400,692.15), David S Kabakoff ($32,097,350.00), Derek J Maetzold ($31,041,322.18), Frank Stokes ($4,063,879.89), Joseph C Cook III ($25,627,892.65), Mara G Aspinall ($131,200.00), Sofinnova Healthquest Partners ($10,151,250.00), and Tobin W Juvenal ($754,000.00).

How much insider selling is happening at Castle Biosciences?

Insiders have sold a total of 2,305,335 Castle Biosciences shares in the last 24 months for a total of $121,190,254.69 sold.

This page was last updated on 9/18/2021 by MarketBeat.com Staff

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