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CIK 0001447362 · Accelerated filer

CASTLE BIOSCIENCES INC

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Ticker
CSTL
Exchange
Nasdaq
Industry
Services-Medical Laboratories
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
770701774
Phone
866-788-9007
Business address
1500 W. PARKWOOD AVE., SUITE 400, FRIENDSWOOD, TX, 77546
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$5,765,795
in 18 filings, $4.9M under 10b5-1 plans

Net −$5,765,795. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −145 $24.95 $4K 83,694
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −145 $24.95 $4K 72,591
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −46 $24.95 $1K 8,913
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −46 $24.95 $1K 8,911
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −46 $24.95 $1K 8,911
2024-05-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −46 $24.95 $1K 8,911
2024-05-10 Olson Tiffany Director Option exercise +487 7,767
2024-05-10 Olson Tiffany Director Option exercise · Restricted Stock Units −487 0
2024-05-06 BRADBURY DANIEL Director Sale 10b5-1 −7,393 $24.64 $182K 35,123
2024-05-06 BRADBURY DANIEL Director Sale 10b5-1 −7,963 $24.64 $196K 9,981
2024-05-06 BRADBURY DANIEL Director Sale 10b5-1 −7,967 $24.64 $196K 9,981
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −2,368 $24.72 $59K 62,629
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,212 $24.72 $30K 84,906
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,212 $24.72 $30K 73,803
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −386 $24.72 $10K 9,299
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −386 $24.72 $10K 9,297
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −386 $24.72 $10K 9,297
2024-05-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −386 $24.72 $10K 9,297
2024-04-23 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −421 $20.11 $8K 64,997
2024-04-23 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −215 $20.11 $4K 86,118

Page 42 of 45 · 897 trades