Maetzold Derek J (CIK 0001239501)

Latest company ownership

CSTL - CASTLE BIOSCIENCES INC
Role: Pres. & Chief Exec. Officer
Shares held
302,936
Last filed at
Dec 4, 2025
Confidence Score
1.5
2025Q4
Confidence Score History
2020Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 17, 2025 Dec 19, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -509 -0.17% ✓ $20.4K
Dec 15, 2025 Dec 17, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 23.8 -32,346 -9.84% ✓ $1.3M
Dec 9, 2025 Dec 11, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 20.0 -19,251 -4.75% ✗ $735K
Dec 4, 2025 Dec 8, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 48.8 -1,339 -0.45% ✓ $53.6K
Dec 2, 2025 Dec 4, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,678 -0.88% ✓ $105.1K
Nov 26, 2025 Dec 1, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -4,258 -1.39% ✓ $170.7K
Nov 25, 2025 Nov 26, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,115 -1.64% ✓ $204.9K
Nov 18, 2025 Nov 20, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,678 -0.85% ✓ $91.1K
Nov 4, 2025 Nov 6, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 38.8 -9,373 -2.89% ✓ $289.1K
Oct 20, 2025 Oct 23, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,339 -0.41% ✓ $30K
Oct 2, 2025 Oct 6, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,339 -0.41% ✓ $30.2K
Sep 17, 2025 Sep 19, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,339 -0.41% ✓ $29.4K
Sep 2, 2025 Sep 4, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,339 -0.41% ✓ $32K
Aug 15, 2025 Aug 19, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,339 -0.40% ✓ $26.8K
Aug 13, 2025 Aug 15, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 22.5 -43,019 -11.50% ✓ $839K
Aug 8, 2025 Aug 12, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 20.0 -23,972 -6.02% ✗ $464.1K
Jun 27, 2025 Jul 1, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 30.0 -22,576 -6.38% ✓ $458.3K
Apr 21, 2025 Apr 23, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,644 -1.57% ✓ $121.4K
Apr 8, 2025 Apr 10, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,644 -1.55% ✓ $113.9K
Mar 26, 2025 Mar 28, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,644 -1.52% ✓ $114.6K
Mar 7, 2025 Mar 11, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 30.0 -29,177 -7.30% ✓ $585.7K
Mar 4, 2025 Mar 6, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -13,263 -3.21% ✓ $287K
Jan 13, 2025 Jan 15, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,565 -0.67% ✓ $71.9K
Jan 6, 2025 Jan 8, 2025 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -7,689 -1.96% ✓ $228.1K
Dec 17, 2024 Dec 19, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 38.8 -9,364 -2.33% ✓ $265.4K
Dec 13, 2024 Dec 17, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 30.0 -26,123 -6.11% ✓ $750.3K
Dec 9, 2024 Dec 11, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 20.0 -21,361 -3.22% ✗ $649.8K
Dec 5, 2024 Dec 9, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,127 -1.28% ✓ $160.7K
Nov 12, 2024 Nov 14, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,127 -1.27% ✓ $175.1K
Nov 4, 2024 Nov 6, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,127 -1.25% ✓ $166.8K
Oct 14, 2024 Oct 16, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,127 -1.23% ✓ $165.5K
Oct 8, 2024 Oct 10, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,562 -0.61% ✓ $77.5K
Oct 4, 2024 Oct 8, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,565 -0.61% ✓ $73.7K
Sep 16, 2024 Sep 18, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,127 -1.21% ✓ $158.8K
Sep 11, 2024 Sep 13, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,616 -0.61% ✓ $79.3K
Sep 9, 2024 Sep 11, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,586 -0.60% ✓ $76.2K
Sep 3, 2024 Sep 5, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 48.8 -1,914 -0.44% ✓ $57.5K
Aug 29, 2024 Sep 3, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -4,441 -1.02% ✓ $133.6K
Aug 23, 2024 Aug 27, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -2,987 -0.68% ✓ $89.9K
Aug 9, 2024 Aug 13, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 97.5 +45,163 11.44% ✗ $585.6K
Jun 3, 2024 Jun 5, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,336 -1.58% ✓ $148.3K
May 14, 2024 May 16, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,336 -1.55% ✓ $153.8K
May 6, 2024 May 8, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,336 -1.53% ✓ $156.6K
Apr 23, 2024 Apr 25, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,126 -0.27% ✓ $22.6K
Apr 12, 2024 Apr 16, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,210 -1.24% ✓ $106K
Apr 3, 2024 Apr 5, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,336 -1.49% ✓ $137.5K
Mar 20, 2024 Mar 22, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,336 -1.46% ✓ $128.5K
Mar 7, 2024 Mar 11, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -6,368 -1.45% ✓ $132.3K
Mar 5, 2024 Mar 6, 2024 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 32.5 -4,131 -0.93% ✗ $88.5K
Dec 27, 2023 Dec 29, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -13,724 -3.07% ✓ $301.8K
Dec 22, 2023 Dec 27, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 38.8 -11,869 -2.59% ✓ $260.5K
Dec 20, 2023 Dec 22, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -18,482 -3.88% ✓ $393.4K
Dec 18, 2023 Dec 20, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -16,251 -3.30% ✓ $334.5K
Dec 14, 2023 Dec 18, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -23,950 -4.63% ✓ $497K
Dec 12, 2023 Dec 14, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,432 -1.60% ✓ $170.3K
Dec 8, 2023 Dec 12, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 38.8 -22,814 -2.57% ✓ $459.8K
Dec 6, 2023 Dec 8, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 58.8 -100 -0.02% ✓ $2K
Dec 1, 2023 Dec 5, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -9,644 -1.91% ✓ $193.5K
Nov 29, 2023 Dec 1, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -21,429 -4.08% ✓ $430.8K
Nov 24, 2023 Nov 28, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -600 -0.11% ✓ $12K
Nov 20, 2023 Nov 22, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,610 -1.06% ✓ $112.4K
Sep 1, 2023 Sep 6, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 52.5 -1,500 -0.28% ✓ $30.1K
Aug 30, 2023 Sep 1, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 41.3 -11,955 -2.19% ✓ $239.7K
Aug 3, 2023 Aug 7, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -600 -0.11% ✓ $12.1K
Jul 7, 2023 Jul 11, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 35.0 -25,116 -4.40% ✓ $503.4K
May 15, 2023 May 17, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.45% ✓ $193.9K
May 4, 2023 May 8, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.43% ✓ $181.1K
Apr 12, 2023 Apr 14, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.41% ✓ $189.7K
Apr 3, 2023 Apr 5, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.39% ✓ $185.4K
Mar 14, 2023 Mar 16, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.37% ✓ $175.4K
Mar 6, 2023 Mar 8, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.35% ✓ $206.9K
Feb 10, 2023 Feb 14, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,372 -1.33% ✓ $219.2K
Feb 1, 2023 Feb 3, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,384 -1.32% ✓ $227.3K
Jan 3, 2023 Jan 5, 2023 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.39% ✓ $205.1K
Dec 19, 2022 Dec 21, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.37% ✓ $206.7K
Dec 10, 2022 Dec 13, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 32.5 -6,315 -0.66% ✗ $141K
Dec 5, 2022 Dec 7, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.38% ✓ $222.1K
Nov 21, 2022 Nov 23, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.38% ✓ $185.9K
Nov 7, 2022 Nov 9, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.36% ✓ $182.3K
Oct 24, 2022 Oct 26, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.34% ✓ $183.3K
Oct 11, 2022 Oct 12, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -560 -0.24% ✓ $13.5K
Oct 10, 2022 Oct 12, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,398 -1.24% ✓ $203.9K
Oct 4, 2022 Oct 6, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -1,300 -0.19% ✓ $39K
Sep 26, 2022 Sep 28, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,958 -1.31% ✓ $215.3K
Sep 12, 2022 Sep 14, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 42.5 -8,999 -1.29% ✓ $262.5K
Aug 29, 2022 Aug 31, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 42.5 -10,359 -1.47% ✓ $306.1K
Aug 16, 2022 Aug 17, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 58.8 -36 -0.01% ✓ $1.2K
Aug 15, 2022 Aug 17, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 38.8 -18,931 -2.61% ✓ $624.7K
Aug 5, 2022 Aug 9, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 53.8 -1,558 -0.21% ✓ $47.2K
Aug 3, 2022 Aug 5, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 42.5 -8,450 -1.15% ✓ $259.6K
Aug 1, 2022 Aug 3, 2022 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -8,959 -1.21% ✓ $245.7K
Dec 10, 2021 Dec 14, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 40.0 -2,111 -0.29% ✗ $85.5K
Nov 15, 2021 Nov 17, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 20.0 -16,406 -2.28% ✗ $861.5K
Nov 9, 2021 Nov 12, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 47.5 -3,700 -0.52% ✓ $209.2K
Oct 21, 2021 Oct 25, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 48.8 -2,500 -0.35% ✓ $157.4K
Oct 19, 2021 Oct 21, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,000 -0.70% ✓ $331.2K
Oct 6, 2021 Oct 8, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 48.8 -2,500 -0.35% ✓ $159.4K
Oct 4, 2021 Oct 6, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 45.0 -5,000 -0.69% ✓ $308.5K
Sep 30, 2021 Oct 1, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 42.5 -12,500 -1.70% ✓ $823.9K
Sep 28, 2021 Sep 30, 2021 CASTLE BIOSCIENCES INC Pres. & Chief Exec. Officer Sell 32.5 -25,000 -3.30% ✓ $1.7M