Castle Biosciences Inc (CSTL) Insider Trading

Total insider buys:
  • $6,094,007.00
Total insider sells:
  • $136,312,611.81
Most recent insider trade:
  • May 6, 2024
Most active insider trader:
  • Derek J Maetzold
Trader NameDateTitleAmountPriceTypeTotal Value
Jan. 3, 2023Director7,704$22.89Sell$176,344.56
Jan. 3, 2023Insider3,833$22.90Sell$87,775.70
Dec. 19, 2022Insider3,833$23.07Sell$88,427.31
Dec. 5, 2022Insider3,833$24.79Sell$95,020.07
Nov. 29, 2022Director1,162$21.50Buy$24,983.00
Nov. 21, 2022Insider2,869$20.84Sell$59,789.96
Oct. 24, 2022Insider3,483$20.41Sell$71,088.03
Oct. 11, 2022Insider560$24.05Sell$13,468.00
Oct. 4, 2022Insider541$30.03Sell$16,246.23
Oct. 3, 2022Director7,704$27.17Sell$209,317.68
Sept. 26, 2022Insider2,188$23.93Sell$52,358.84
Sept. 12, 2022Insider2,994$29.56Sell$88,502.64
Aug. 29, 2022Insider4,118$29.56Sell$121,728.08
Aug. 16, 2022Insider36$32.83Sell$1,181.88
Aug. 3, 2022Insider42$30.03Sell$1,261.26
Aug. 1, 2022Insider3,723$27.44Sell$102,159.12
Aug. 1, 2022Director7,704$27.47Sell$211,628.88
March 29, 2022Director8,852$45.32Sell$401,172.64
March 14, 2022Director8,852$38.21Sell$338,234.92
Feb. 22, 2022Director8,852$39.02Sell$345,405.04
Feb. 9, 2022Director8,852$46.53Sell$411,883.56
Jan. 24, 2022Director14,631$35.42Sell$518,230.02
Jan. 20, 2022Director15,604$35.26Sell$550,197.04
Jan. 18, 2022Director2,470$35.30Sell$87,191.00
Jan. 4, 2022Director16,353$43.58Sell$712,663.74
Nov. 9, 2021Insider2,500$56.66Sell$141,650.00
Nov. 8, 2021Director5,554$61.21Sell$339,960.34
Nov. 4, 2021Director4,446$61.05Sell$271,428.30
Oct. 21, 2021Director5,000$62.94Sell$314,700.00
Oct. 21, 2021Insider2,500$62.95Sell$157,375.00
Oct. 19, 2021Insider2,500$67.27Sell$168,175.00
Oct. 6, 2021Insider2,500$63.74Sell$159,350.00
Oct. 4, 2021Director5,000$60.93Sell$304,650.00
Oct. 4, 2021Insider2,500$60.85Sell$152,125.00
Sept. 30, 2021Insider10,000$65.92Sell$659,200.00
Sept. 28, 2021Insider2,500$66.88Sell$167,200.00
Sept. 27, 2021COO10,000$71.02Sell$710,200.00
Sept. 21, 2021Director5,000$73.95Sell$369,750.00
Sept. 14, 2021Insider3,333$74.38Sell$247,908.54
Sept. 2, 2021Insider15,401$75.78Sell$1,167,087.78
Aug. 31, 2021Insider10,000$75.70Sell$757,000.00
Aug. 17, 2021Insider5,510$59.01Sell$325,145.10
Aug. 17, 2021Director644$60.02Sell$38,652.88
Aug. 3, 2021Insider4,020$70.35Sell$282,807.00
Aug. 3, 2021Director5,000$69.62Sell$348,100.00
July 26, 2021Director5,000$66.78Sell$333,900.00
July 21, 2021Insider10,000$68.06Sell$680,600.00
July 21, 2021Insider10,000$68.06Sell$680,600.00
July 19, 2021Insider10,000$64.62Sell$646,200.00
July 9, 2021Insider10,000$72.56Sell$725,600.00
  • 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, Bernhard E. Spiess, Tobin W Juvenal, Bonnie H Anderson, Ellen Goldberg, Kristen M Oelschlager, Mara G Aspinall, Mgc Venture Partners 2013 Gp,, Tiffany Olson, and Bernhard E Spiess

  • The most active insider trader at Castle Biosciences Inc is Derek J Maetzold with 89 trades.

  • Derek J Maetzold has sold the most Castle Biosciences Inc stock with a total value of $35,120,915.93.

  • 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 May 6, 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.