Form 4 Tracker
Derek J Maetzold

Director, Pres. & Chief Exec. Officer · 13 filings · Latest: Jun 15, 2026

CASTLE BIOSCIENCES INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
CSTL
Derek MaetzoldJul 1, 2026
Proposed Sale
$24.7123,844$589.2K
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerJun 15, 2026
Sale
$20.664,172$86.2K12,646
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerJun 15, 2026
Option Exercise
$2.39550$1.3K22,029
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerJun 1, 2026
Sale
$20.869,836$205.1K1,668
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerJun 1, 2026
Option Exercise
$2.396,214$14.9K27,693
CSTL
Derek MaetzoldJun 1, 2026
Proposed Sale
$20.9714,008$293.7K
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 21, 2026
Sale
$20.203,183$64.3K1,946
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 21, 2026
Option Exercise
$2.39420$1.0K21,899
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 20, 2026
Sale
$20.00989$19.8K2,158
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 20, 2026
Option Exercise
$2.39130$31121,609
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 7, 2026
Sale
$22.159,836$217.9K2,224
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMay 7, 2026
Option Exercise
$2.396,214$14.9K27,693
CSTL
Derek MaetzoldMay 7, 2026
Proposed Sale
$19.2414,008$269.5K
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerApr 21, 2026
Sale
$25.104,172$104.7K2,502
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerApr 21, 2026
Option Exercise
$2.39550$1.3K22,029
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerApr 6, 2026
Sale
$25.039,836$246.2K2,780
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerApr 6, 2026
Option Exercise
$2.396,214$14.9K27,693
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 26, 2026
Sale
$25.554,172$106.6K3,058
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 26, 2026
Option Exercise
$2.39550$1.3K22,029
CSTL
Derek MaetzoldMar 26, 2026
Proposed Sale
$24.7018,180$449.0K

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