Form 4 Tracker
Derek J Maetzold

Director, Pres. & Chief Exec. Officer · 9 filings · Latest: Jun 1, 2026

CASTLE BIOSCIENCES INC
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Form 4
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 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 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 J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 18, 2026
Sale
$25.39650$16.5K21,479
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 17, 2026
Sale
$25.9318,650$483.6K22,129
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 16, 2026
Sale
$25.9717,575$456.4K40,779
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 13, 2026
Sale
$25.4513,204$336.0K58,354
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 12, 2026
Sale
$25.2823,179$585.9K71,558
CSTL
Derek J MaetzoldDirector, Pres. & Chief Exec. OfficerMar 11, 2026
Sale
$26.1120,946$546.9K3,336

Page 1 of 2

Next →