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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
$5,877,844
in 19 filings, $4.9M under 10b5-1 plans

Net −$5,877,844. 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 −$1.7M Chief Commercial Officer sold 60% 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
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −758 $20.01 $15K 112,419
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −239 $20.01 $5K 105,007
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −239 $20.01 $5K 93,902
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −87 $20.01 $2K 16,343
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −87 $20.01 $2K 16,344
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −87 $20.01 $2K 16,344
2023-11-21 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −87 $20.01 $2K 16,338
2023-11-20 BRADBURY DANIEL Director Sale −3,451 $20.04 $69K 97,854
2023-11-20 BRADBURY DANIEL Director Sale −1,152 $20.04 $23K 63,885
2023-11-20 BRADBURY DANIEL Director Sale −1,152 $20.04 $23K 63,910
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,926 $20.04 $39K 113,177
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −607 $20.04 $12K 105,246
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −607 $20.04 $12K 94,141
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −223 $20.04 $4K 16,430
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −221 $20.04 $4K 16,431
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −221 $20.04 $4K 16,431
2023-11-20 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −221 $20.04 $4K 16,425
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −718 $20.05 $14K 115,103
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −226 $20.05 $5K 105,853
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −226 $20.05 $5K 94,748

Page 58 of 84 · 1,675 trades