4

Changes in Ownership

CASTLE BIOSCIENCES INC Filed 2023-12-14 Acc 0001447362-23-000184

Pres. & Chief Exec. Officer sold 8,432 shares at an average $20.19 ($170,251)

Traded under a Rule 10b5-1 plan

From the SEC's structured data for this filing

Trades in this filing

Insider	Date	Transaction	Shares	Price	Value	Owned after	D/I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−546	$20.01	$10,925	130,670	D
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−73	$20.01	$1,461	99,409	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−73	$20.01	$1,461	88,304	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−27	$20.01	$540	14,303	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−27	$20.01	$540	14,304	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−27	$20.01	$540	14,305	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-12	Sale 10b5-1	−27	$20.01	$540	14,298	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−3,652	$20.21	$73,807	127,018	D
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−1,151	$20.21	$23,262	98,258	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−1,151	$20.21	$23,262	87,153	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−421	$20.21	$8,508	13,882	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−419	$20.21	$8,468	13,885	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−419	$20.21	$8,468	13,886	I
MAETZOLD DEREK J Pres. & Chief Exec. Officer	2023-12-13	Sale 10b5-1	−419	$20.21	$8,468	13,879	I
Open-market sales · 8,432 sh · avg $20.19 · $170,251