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 DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/14/2021Derek J. MaetzoldInsiderSell3,333$74.38$247,908.54345,018  
9/2/2021Bernhard E SpiessInsiderSell15,401$75.78$1,167,087.78  
8/31/2021Derek J. MaetzoldInsiderSell10,000$75.70$757,000.00355,124  
8/17/2021Daniel BradburyDirectorSell644$60.02$38,652.88  
8/17/2021Derek J MaetzoldInsiderSell5,510$59.01$325,145.10  
8/3/2021Daniel BradburyDirectorSell5,000$69.62$348,100.00  
8/3/2021Derek J MaetzoldInsiderSell4,020$70.35$282,807.00  
7/26/2021Daniel BradburyDirectorSell5,000$66.78$333,900.00  
7/21/2021Derek J MaetzoldInsiderSell10,000$68.06$680,600.00413,893  
7/21/2021Derek J MaetzoldInsiderSell10,000$68.06$680,600.00  
7/19/2021Derek J MaetzoldInsiderSell10,000$64.62$646,200.00  
7/9/2021Derek J MaetzoldInsiderSell10,000$72.56$725,600.00  
7/8/2021Daniel BradburyDirectorSell5,000$69.56$347,800.00  
7/7/2021Derek J MaetzoldInsiderSell10,000$70.04$700,400.00  
6/24/2021Derek J MaetzoldInsiderSell10,000$74.93$749,300.00468,118  
6/22/2021Derek J. MaetzoldInsiderSell10,000$74.56$745,600.00491,005  
6/17/2021David S KabakoffDirectorSell30,000$75.07$2,252,100.00  
6/17/2021Tobin W JuvenalInsiderSell10,000$75.40$754,000.008,090  
6/16/2021Frank StokesCFOSell2,127$73.07$155,419.89  
6/8/2021Derek J MaetzoldInsiderSell10,000$70.18$701,800.00523,904  
5/27/2021Derek J MaetzoldInsiderSell4,034$58.73$236,916.82540,489  
5/25/2021Derek J MaetzoldInsiderSell8,599$60.50$520,239.50546,020  
5/20/2021Derek J MaetzoldInsiderSell1,300$60.47$78,611.00554,619  
5/13/2021Derek J MaetzoldInsiderSell3,333$50.71$169,016.43558,466  
4/28/2021Derek J MaetzoldInsiderSell14,374$68.48$984,331.52576,626  
4/26/2021Derek J. MaetzoldInsiderSell14,374$69.17$994,249.58602,541  
4/22/2021Daniel BradburyDirectorSell15,000$63.69$955,350.00
4/13/2021Derek J MaetzoldInsiderSell14,374$67.94$976,569.56649,001  
4/7/2021Daniel BradburyDirectorSell15,000$72.81$1,092,150.00  
4/5/2021David S KabakoffDirectorSell70,000$72.20$5,054,000.00  
3/31/2021David S KabakoffDirectorSell30,000$67.76$2,032,800.00  
3/29/2021Derek J MaetzoldInsiderSell12,974$58.94$764,687.56690,410  
3/26/2021Derek J MaetzoldInsiderSell13,275$60.45$802,473.75690,410  
3/24/2021Daniel BradburyDirectorSell7,500$63.09$473,175.00  
3/22/2021David S KabakoffDirectorSell10,000$67.12$671,200.00  
3/19/2021David S KabakoffDirectorSell10,000$66.17$661,700.00  
3/16/2021David S KabakoffDirectorSell120,000$63.74$7,648,800.00  
3/12/2021Derek J MaetzoldInsiderSell14,375$64.30$924,312.50705,397  
3/10/2021Derek J MaetzoldInsiderSell14,375$65.08$935,525.00735,325  
2/23/2021Daniel BradburyDirectorSell7,500$79.63$597,225.00  
2/10/2021Daniel BradburyDirectorSell15,000$95.35$1,430,250.00
2/9/2021Derek J MaetzoldInsiderSell28,750$95.21$2,737,287.50
1/27/2021Derek J MaetzoldInsiderSell14,377$66.08$950,032.16862,513  
1/25/2021Daniel BradburyDirectorSell7,500$76.94$577,050.00  
1/14/2021Derek J MaetzoldInsiderSell28,754$74.83$2,151,661.82910,618  
1/12/2021Daniel BradburyDirectorSell12,113$78.29$948,326.77  
1/12/2021Frank StokesCFOSell7,500$78.14$586,050.0011,386  
12/29/2020Daniel BradburyDirectorSell30,000$69.69$2,090,700.00  
12/29/2020Derek J MaetzoldInsiderSell15,000$66.45$996,750.001,282,631  
12/16/2020Derek J MaetzoldInsiderSell6,250$66.22$413,875.001,305,702  
12/10/2020Derek J MaetzoldInsiderSell15,000$58.93$883,950.001,335,302  
12/10/2020Joseph C Cook IIIDirectorSell78,265$58.35$4,566,762.75142,178  
12/8/2020Joseph C Cook IIIDirectorSell47,176$56.20$2,651,291.20142,178  
12/4/2020Derek J MaetzoldInsiderSell18,750$51.05$957,187.501,353,452  
12/2/2020Derek J MaetzoldInsiderSell6,250$50.08$313,000.001,353,452  
11/18/2020Derek J MaetzoldInsiderSell18,750$48.82$915,375.00
11/13/2020Frank StokesCFOSell26,000$50.87$1,322,620.00
11/5/2020Derek J MaetzoldInsiderSell18,750$49.63$930,562.501,408,748  
11/3/2020Derek J MaetzoldInsiderSell6,250$47.52$297,000.001,408,748  
10/28/2020Derek J MaetzoldInsiderSell1,200$49.54$59,448.001,412,248  
10/20/2020Daniel BradburyDirectorSell11,750$49.70$583,975.00  
10/20/2020Derek J MaetzoldInsiderSell1,000$49.65$49,650.001,414,448  
10/14/2020Joseph C Cook IIIDirectorSell6,475$54.58$353,405.50192,502  
10/13/2020Frank StokesCFOSell13,000$54.79$712,270.0014,886  
10/12/2020Joseph C Cook IIIDirectorSell19,676$54.84$1,079,031.84192,502  
10/9/2020David S KabakoffDirectorSell50,000$54.20$2,710,000.00  
10/5/2020David S KabakoffDirectorSell25,000$52.09$1,302,250.00  
10/2/2020Derek J MaetzoldInsiderSell18,640$51.64$962,569.60
10/2/2020Mara G AspinallDirectorSell2,500$52.48$131,200.00  
9/22/2020Derek J MaetzoldInsiderSell36,160$51.46$1,860,793.601,461,611  
9/16/2020Daniel BradburyDirectorSell3,750$48.38$181,425.00  
9/15/2020Frank StokesCFOSell26,000$49.52$1,287,520.00
9/10/2020Derek J MaetzoldInsiderSell41,924$49.49$2,074,818.761,516,833  
9/8/2020Bernhard E. SpiessInsiderSell14,888$49.00$729,512.0051,747  
9/8/2020Joseph C Cook IIIDirectorSell69,265$48.30$3,345,499.50212,178  
9/4/2020Bernhard E. SpiessInsiderSell25,112$47.41$1,190,559.92  
9/4/2020Joseph C Cook IIIDirectorSell61,838$46.93$2,902,057.34212,178  
9/2/2020Daniel BradburyDirectorSell7,500$45.66$342,450.00  
8/31/2020Joseph C Cook IIIDirectorSell8,228$45.84$377,171.52212,178  
8/28/2020Joseph C Cook IIIDirectorSell71,940$46.03$3,311,398.20
8/26/2020Joseph C Cook IIIDirectorSell5,049$45.85$231,496.65212,178  
8/24/2020Joseph C Cook IIIDirectorSell8,877$45.90$407,454.30212,178  
8/20/2020Joseph C Cook IIIDirectorSell17,369$45.84$796,194.96212,178  
8/18/2020Daniel BradburyDirectorSell3,750$43.18$161,925.00  
8/13/2020Derek J MaetzoldInsiderSell13,500$41.23$556,605.00
8/6/2020Daniel BradburyDirectorSell3,750$41.34$155,025.00  
8/5/2020Derek J MaetzoldInsiderSell5,000$41.67$208,350.001,572,348  
7/21/2020Daniel BradburyDirectorSell3,750$41.81$156,787.50  
7/21/2020Derek J MaetzoldInsiderSell7,000$41.97$293,790.001,587,718  
7/17/2020David S KabakoffDirectorSell25,000$43.04$1,076,000.00  
7/15/2020Derek J MaetzoldInsiderSell28,000$41.96$1,174,880.001,604,223  
7/8/2020Daniel BradburyDirectorSell7,500$41.08$308,100.00  
6/24/2020Joseph C Cook IIIDirectorSell100$43.11$4,311.00212,178  
6/22/2020David S KabakoffDirectorSell175,000$40.50$7,087,500.00212,178  
6/18/2020Joseph C Cook IIIDirectorSell73,944$41.71$3,084,204.24212,178  
6/15/2020Joseph C Cook IIIDirectorSell22,195$39.67$880,475.65212,178  
6/10/2020Joseph C Cook IIIDirectorSell2,108$39.00$82,212.00212,178  
6/3/2020Daniel BradburyDirectorSell3,750$37.01$138,787.50  
5/28/2020Joseph C Cook IIIDirectorSell15,520$38.66$600,003.20208,053  
5/27/2020Derek J MaetzoldInsiderSell5,000$36.75$183,750.001,625,348  
5/26/2020Joseph C Cook IIIDirectorSell23,820$38.69$921,595.80208,053  
5/22/2020Derek J MaetzoldInsiderSell5,000$36.97$184,850.001,628,359  
5/21/2020Daniel BradburyDirectorSell3,750$37.21$139,537.50208,053  
5/19/2020Joseph C Cook IIIDirectorSell900$37.03$33,327.00208,053  
5/12/2020Sofinnova Healthquest PartnersMajor ShareholderSell250,000$34.50$8,625,000.00  
4/30/2020Bonnie H AndersonDirectorSell3,000$30.25$90,750.00  
2/19/2020David S KabakoffDirectorSell25,000$32.03$800,750.00  
2/13/2020David S KabakoffDirectorSell25,000$32.01$800,250.00  
2/6/2020Sofinnova Healthquest PartnersMajor ShareholderSell25,000$31.03$775,750.00  
1/28/2020Sofinnova Healthquest PartnersMajor ShareholderSell25,000$30.02$750,500.00  
7/29/2019David S KabakoffDirectorBuy62,500$16.00$1,000,000.00  
7/29/2019Mgc Venture Partners 2013 Gp,Major ShareholderBuy312,500$16.00$5,000,000.00  
(Data available from 1/1/2013 forward)
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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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