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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
2024-10-14 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −299 $32.27 $10K 6,749
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −986 $30.27 $30K 93,636
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −505 $30.27 $15K 77,646
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −474 $30.27 $14K 66,735
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −150 $30.27 $5K 7,060
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −149 $30.27 $5K 7,048
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −149 $30.27 $5K 7,048
2024-10-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −149 $30.27 $5K 7,048
2024-10-07 BRADBURY DANIEL Director Sale 10b5-1 −5,017 $29.44 $148K 20,068
2024-10-07 BRADBURY DANIEL Director Sale 10b5-1 −1,425 $29.44 $42K 5,700
2024-10-07 BRADBURY DANIEL Director Sale 10b5-1 −1,425 $29.44 $42K 5,700
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −986 $28.73 $28K 94,622
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −505 $28.73 $15K 78,151
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −474 $28.73 $14K 67,209
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −150 $28.73 $4K 7,210
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −150 $28.73 $4K 7,197
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −150 $28.73 $4K 7,197
2024-10-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −150 $28.73 $4K 7,197
2024-09-16 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,972 $30.97 $61K 95,608
2024-09-16 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,010 $30.97 $31K 78,656

Page 34 of 45 · 897 trades