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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. MAETZOLD DEREK J −$3.1M Pres. & Chief Exec. Officer sold 98% of stake
  2. Juvenal Tobin W −$1.5M Chief Commercial Officer sold 58% of stake
  3. Oelschlager Kristen M −$1.1M Chief Operating Officer sold 71% of stake

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

Date Insider Transaction Shares Price Value Owned after
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −192 $28.65 $6K 60,588
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −60 $28.65 $2K 5,115
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −61 $28.65 $2K 5,108
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −60 $28.65 $2K 5,109
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −61 $28.65 $2K 5,108
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −31 $29.48 $914 80,818
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −16 $29.48 $472 71,081
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −15 $29.48 $442 60,573
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5 $29.48 $147 5,110
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −4 $29.48 $118 5,104
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5 $29.48 $147 5,104
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −4 $29.48 $118 5,104
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −243 $30.14 $7K 81,804
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −124 $30.14 $4K 71,586
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −117 $30.14 $4K 61,047
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −36 $30.14 $1K 5,260
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −37 $30.14 $1K 5,254
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −37 $30.14 $1K 5,254
2025-01-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −37 $30.14 $1K 5,254
2025-01-06 BRADBURY DANIEL Director Sale 10b5-1 −1,530 $28.39 $43K 8,504

Page 26 of 45 · 897 trades