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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
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −434 $28.39 $12K 2,416
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −434 $28.39 $12K 2,416
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −3,015 $29.41 $89K 5,489
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −857 $29.41 $25K 1,559
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −857 $29.41 $25K 1,559
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −472 $29.82 $14K 5,017
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −134 $29.82 $4K 1,425
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −134 $29.82 $4K 1,425
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −678 $28.42 $19K 84,084
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −346 $28.42 $10K 72,755
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −325 $28.42 $9K 62,144
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −103 $28.42 $3K 5,607
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −102 $28.42 $3K 5,600
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −102 $28.42 $3K 5,600
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −102 $28.42 $3K 5,600
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −310 $29.13 $9K 83,774
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −160 $29.13 $5K 72,595
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −149 $29.13 $4K 61,995
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −47 $29.13 $1K 5,560
2025-01-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −47 $29.13 $1K 5,553

Page 27 of 45 · 897 trades