# Maetzold Derek J: insider trades Canonical: https://sec-api.dev/insiders/maetzold-derek-j-1239501 > 84 transactions across 1 companies: 0 purchases, 73 sales. SEC CIK 1239501. | Date | Company | Code | Shares | Price | Filing | | --- | --- | --- | --- | --- | --- | | 2026-09-21 | CASTLE BIOSCIENCES INC | S | 2718.0 | 35.33 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026063221/0001628280-26-063221-index.htm | | 2026-09-21 | CASTLE BIOSCIENCES INC | S | 3198.0 | 35.33 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026063221/0001628280-26-063221-index.htm | | 2026-09-21 | CASTLE BIOSCIENCES INC | M | 8580.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026063221/0001628280-26-063221-index.htm | | 2026-09-21 | CASTLE BIOSCIENCES INC | S | 8580.0 | 35.33 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026063221/0001628280-26-063221-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | M | 8584.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 8361.0 | 32.0 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 3124.0 | 32.0 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 2656.0 | 32.0 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 71.0 | 32.78 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 83.0 | 32.78 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-09-11 | CASTLE BIOSCIENCES INC | S | 223.0 | 32.78 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026062047/0001628280-26-062047-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 2505.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 2129.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 257.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 257.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 21.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 257.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 956.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 209.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 177.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 21.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 21.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 21.0 | 33.88 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 11472.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | M | 12428.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-28 | CASTLE BIOSCIENCES INC | S | 257.0 | 33.14 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026059816/0001628280-26-059816-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | M | 1100.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 1100.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 2714.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 2306.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 30.02 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026057642/0001628280-26-057642-index.htm | | 2026-08-05 | CASTLE BIOSCIENCES INC | M | 2546.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-05 | CASTLE BIOSCIENCES INC | S | 2546.0 | 30.68 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-05 | CASTLE BIOSCIENCES INC | S | 556.0 | 30.68 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-05 | CASTLE BIOSCIENCES INC | S | 473.0 | 30.68 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 11935.0 | 31.34 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 4782.0 | 31.34 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 4063.0 | 31.34 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 2866.0 | 30.79 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 3374.0 | 30.79 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | S | 8421.0 | 30.79 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-04 | CASTLE BIOSCIENCES INC | M | 20356.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026054334/0001628280-26-054334-index.htm | | 2026-08-03 | CASTLE BIOSCIENCES INC | S | 4232.0 | 30.35 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-08-03 | CASTLE BIOSCIENCES INC | S | 10664.0 | 30.35 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-08-03 | CASTLE BIOSCIENCES INC | M | 10664.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-08-03 | CASTLE BIOSCIENCES INC | S | 3597.0 | 30.35 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-07-31 | CASTLE BIOSCIENCES INC | S | 1690.0 | 30.15 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-07-31 | CASTLE BIOSCIENCES INC | M | 6480.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-07-31 | CASTLE BIOSCIENCES INC | S | 6480.0 | 30.15 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-07-31 | CASTLE BIOSCIENCES INC | S | 1983.0 | 30.15 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026052647/0001628280-26-052647-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 43.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 10.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 10.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 10.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 10.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | M | 6214.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 5982.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 1307.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 1110.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 268.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 268.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 268.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 268.0 | 24.13 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 232.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-27 | CASTLE BIOSCIENCES INC | S | 50.0 | 25.06 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026050616/0001628280-26-050616-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | M | 550.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 550.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 1357.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 278.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-14 | CASTLE BIOSCIENCES INC | S | 1153.0 | 22.92 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026048461/0001628280-26-048461-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 1357.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 1153.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 278.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 6214.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | M | 6214.0 | 2.39 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 278.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 278.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | | 2026-07-01 | CASTLE BIOSCIENCES INC | S | 278.0 | 24.29 | https://www.sec.gov/Archives/edgar/data/1447362/000162828026047287/0001628280-26-047287-index.htm | Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets --- Independent. 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