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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
2022-12-28 Oelschlager Kristen M Chief Operating Officer Option exercise · Stock option (right to buy) −7,178 $2.39 $17K 0
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −1,928 $22.73 $44K 307,267
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −943 $22.73 $21K 126,135
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −880 $22.73 $20K 114,844
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −189 $22.73 $4K 25,659
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −189 $22.73 $4K 25,658
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −189 $22.73 $4K 25,658
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −189 $22.73 $4K 25,654
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −1,905 $23.41 $45K 305,362
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −932 $23.41 $22K 125,203
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −870 $23.41 $20K 113,974
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −186 $23.41 $4K 25,473
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −186 $23.41 $4K 25,472
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −186 $23.41 $4K 25,472
2022-12-19 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −186 $23.41 $4K 25,468
2022-12-10 Stokes Frank Chief Financial Officer Option exercise +2,000 14,775
2022-12-10 Stokes Frank Chief Financial Officer Shares withheld for taxes −589 $22.32 $13K 14,186
2022-12-10 Stokes Frank Chief Financial Officer Option exercise +6,170 20,356
2022-12-10 Stokes Frank Chief Financial Officer Shares withheld for taxes −1,817 $22.32 $41K 18,539
2022-12-10 Stokes Frank Chief Financial Officer Option exercise · Restricted Stock Units −2,000 4,000

Page 70 of 84 · 1,675 trades