Derek J Maetzold

Pres. & Chief Exec. Officer, Director, Castle Biosciences Inc

Bought, 12 months

$0.0M

Sold, 12 months

$11.4M

Companies

Latest trade

Oct 19, 2026

Companies

Castle Biosciences IncPres. & Chief Exec. Officer, Director −$11.4M

Trades

CSTL Sold 14,496 shares at $31.91 · planned $0.5M Oct 19

CSTL Sold 14,496 shares at $35.57 · planned $0.5M Oct 5

CSTL Sold 14,496 shares at $35.33 · planned $0.5M Sep 21

CSTL Sold 14,518 shares at $32.02 · planned $0.5M Sep 11

CSTL Sold 17,726 shares at $33.20 · planned $0.6M Aug 28

CSTL Sold 6,398 shares at $30.02 · planned $0.2M Aug 14

CSTL Sold 3,575 shares at $30.68 · planned $0.1M Aug 5

CSTL Sold 35,441 shares at $31.11 · planned $1.1M Aug 4

CSTL Sold 18,493 shares at $30.35 · planned $0.6M Aug 3

CSTL Sold 10,153 shares at $30.15 · planned $0.3M Jul 31

CSTL Sold 9,002 shares at $24.16 · planned $0.2M Jul 27

CSTL Sold 3,338 shares at $22.92 · planned $0.1M Jul 14

CSTL Sold 9,002 shares at $24.29 · planned $0.2M Jul 1

CSTL Sold 3,338 shares at $20.66 · planned $0.1M Jun 15

CSTL Sold 9,002 shares at $20.86 · planned $0.2M Jun 1

CSTL Sold 2,547 shares at $20.20 · planned $0.1M May 21

CSTL Sold 791 shares at $20.00 · planned $0.0M May 20

CSTL Sold 9,002 shares at $22.15 · planned $0.2M May 7

CSTL Sold 3,338 shares at $25.10 · planned $0.1M Apr 21

CSTL Sold 9,002 shares at $25.03 · planned $0.2M Apr 6

CSTL Sold 3,338 shares at $25.55 · planned $0.1M Mar 26

CSTL Sold 650 shares at $25.39 · planned $0.0M Mar 18

CSTL Sold 18,650 shares at $25.93 · planned $0.5M Mar 17

CSTL Sold 17,575 shares at $25.97 · planned $0.5M Mar 16

CSTL Sold 13,204 shares at $25.45 · planned $0.3M Mar 13

CSTL Sold 23,179 shares at $25.28 · planned $0.6M Mar 12

CSTL Sold 20,388 shares at $26.11 · planned $0.5M Mar 11

CSTL Sold 817 shares at $37.99 · planned $0.0M Feb 4

CSTL Sold 3,200 shares at $39.91 · planned $0.1M Feb 3

CSTL Sold 4,017 shares at $40.01 · planned $0.2M Jan 20

CSTL Sold 1,339 shares at $40.10 · planned $0.1M Jan 6

CSTL Sold 2,678 shares at $38.09 · planned $0.1M Jan 5

CSTL Sold 830 shares at $40.35 · planned $0.0M Dec 22

CSTL Sold 509 shares at $40.04 · planned $0.0M Dec 17

CSTL Sold 12,821 shares at $38.55 · planned $0.5M Dec 16

CSTL Sold 19,525 shares at $38.78 · planned $0.8M Dec 15

CSTL Sold 1,339 shares at $40.03 · planned $0.1M Dec 4

CSTL Sold 2,678 shares at $39.23 · planned $0.1M Dec 2

CSTL Sold 4,258 shares at $40.09 · planned $0.2M Nov 26

CSTL Sold 5,115 shares at $40.05 · planned $0.2M Nov 25

CSTL Sold 2,678 shares at $34.02 · planned $0.1M Nov 18

CSTL Sold 2,678 shares at $31.85 · planned $0.1M Nov 5

CSTL Sold 6,695 shares at $30.44 · planned $0.2M Nov 4

CSTL Sold 1,339 shares at $22.44 · planned $0.0M Oct 20

CSTL Sold 1,339 shares at $22.58 · planned $0.0M Oct 2

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.