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Castle Biosciences Inc (CSTL) Insider Trading

Total insider buys:
  • $6,094,007.00
Total insider sells:
  • $137,691,917.91
Most recent insider trade:
  • Nov. 15, 2024
Most active insider trader:
  • Derek J Maetzold
Trader NameDateTitleAmountPriceTypeTotal Value
Dec. 10, 2020Insider15,000$58.93Sell$883,950.00
Dec. 8, 2020Director47,176$56.20Sell$2,651,291.20
Dec. 4, 2020Insider18,750$51.05Sell$957,187.50
Dec. 2, 2020Insider6,250$50.08Sell$313,000.00
Nov. 18, 2020Insider18,750$48.82Sell$915,375.00
Nov. 13, 2020CFO26,000$50.87Sell$1,322,620.00
Nov. 5, 2020Insider18,750$49.63Sell$930,562.50
Nov. 3, 2020Insider6,250$47.52Sell$297,000.00
Oct. 28, 2020Insider1,200$49.54Sell$59,448.00
Oct. 20, 2020Insider1,000$49.65Sell$49,650.00
Oct. 20, 2020Director11,750$49.70Sell$583,975.00
Oct. 14, 2020Director6,475$54.58Sell$353,405.50
Oct. 13, 2020CFO13,000$54.79Sell$712,270.00
Oct. 12, 2020Director19,676$54.84Sell$1,079,031.84
Oct. 9, 2020Director50,000$54.20Sell$2,710,000.00
Oct. 5, 2020Director25,000$52.09Sell$1,302,250.00
Oct. 2, 2020Insider18,640$51.64Sell$962,569.60
Oct. 2, 2020Director2,500$52.48Sell$131,200.00
Sept. 22, 2020Insider36,160$51.46Sell$1,860,793.60
Sept. 16, 2020Director3,750$48.38Sell$181,425.00
Sept. 15, 2020CFO26,000$49.52Sell$1,287,520.00
Sept. 10, 2020Insider41,924$49.49Sell$2,074,818.76
Sept. 8, 2020Insider14,888$49.00Sell$729,512.00
Sept. 8, 2020Director69,265$48.30Sell$3,345,499.50
Sept. 4, 2020Insider25,112$47.41Sell$1,190,559.92
Sept. 4, 2020Director61,838$46.93Sell$2,902,057.34
Sept. 2, 2020Director7,500$45.66Sell$342,450.00
Aug. 31, 2020Director8,228$45.84Sell$377,171.52
Aug. 28, 2020Director71,940$46.03Sell$3,311,398.20
Aug. 26, 2020Director5,049$45.85Sell$231,496.65
Aug. 24, 2020Director8,877$45.90Sell$407,454.30
Aug. 20, 2020Director17,369$45.84Sell$796,194.96
Aug. 18, 2020Director3,750$43.18Sell$161,925.00
Aug. 13, 2020Insider13,500$41.23Sell$556,605.00
Aug. 6, 2020Director3,750$41.34Sell$155,025.00
Aug. 5, 2020Insider5,000$41.67Sell$208,350.00
July 21, 2020Director3,750$41.81Sell$156,787.50
July 21, 2020Insider7,000$41.97Sell$293,790.00
July 17, 2020Director25,000$43.04Sell$1,076,000.00
July 15, 2020Insider28,000$41.96Sell$1,174,880.00
July 8, 2020Director7,500$41.08Sell$308,100.00
June 24, 2020Director100$43.11Sell$4,311.00
June 22, 2020Director175,000$40.50Sell$7,087,500.00
June 18, 2020Director73,944$41.71Sell$3,084,204.24
June 15, 2020Director22,195$39.67Sell$880,475.65
June 10, 2020Director2,108$39.00Sell$82,212.00
June 3, 2020Director3,750$37.01Sell$138,787.50
May 28, 2020Director15,520$38.66Sell$600,003.20
May 27, 2020Insider5,000$36.75Sell$183,750.00
May 26, 2020Director23,820$38.69Sell$921,595.80
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  • Insiders are both buying and selling Castle Biosciences Inc stock.

  • The insider traders at Castle Biosciences Inc are: Derek J Maetzold, Daniel Bradbury, Joseph C Cook III, David S Kabakoff, Frank Stokes, Derek J. Maetzold, Sofinnova Healthquest Partners, Kristen M Oelschlager, Tobin W Juvenal, Bernhard E. Spiess, Ellen Goldberg, Mara G Aspinall, Mgc Venture Partners 2013 Gp,, Bonnie H Anderson, Tiffany Olson, and Bernhard E Spiess

  • The most active insider trader at Castle Biosciences Inc is Derek J Maetzold with 94 trades.

  • Derek J Maetzold has sold the most Castle Biosciences Inc stock with a total value of $35,374,288.21.

  • Mgc Venture Partners 2013 Gp, has bought the most Castle Biosciences Inc stock with a total value of $10,000,000.00.

  • The most recent insider trade for Castle Biosciences Inc was on Nov. 15, 2024.

  • The single biggest insider buy for Castle Biosciences Inc was from Mgc Venture Partners 2013 Gp, with a total value of $5,000,000.00 on July 29, 2019.

  • The single biggest insider sell for Castle Biosciences Inc was from Sofinnova Healthquest Partners with a total value of $8,625,000.00 on May 12, 2020.