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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
2023-12-13 BRADBURY DANIEL Director Sale 10b5-1 −399 $20.04 $8K 49,816
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −546 $20.01 $11K 130,670
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −73 $20.01 $1K 99,409
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −73 $20.01 $1K 88,304
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −27 $20.01 $540 14,303
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −27 $20.01 $540 14,304
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −27 $20.01 $540 14,305
2023-12-12 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −27 $20.01 $540 14,298
2023-12-12 BRADBURY DANIEL Director Sale 10b5-1 −380 $20.01 $8K 72,458
2023-12-12 BRADBURY DANIEL Director Sale 10b5-1 −410 $20.01 $8K 50,195
2023-12-12 BRADBURY DANIEL Director Sale 10b5-1 −410 $20.01 $8K 50,215
2023-12-10 Oelschlager Kristen M Chief Operating Officer Option exercise +6,170 138,025
2023-12-10 Oelschlager Kristen M Chief Operating Officer Shares withheld for taxes −1,626 $20.17 $33K 136,399
2023-12-10 Oelschlager Kristen M Chief Operating Officer Option exercise +1,750 138,149
2023-12-10 Oelschlager Kristen M Chief Operating Officer Shares withheld for taxes −462 $20.17 $9K 137,687
2023-12-10 Oelschlager Kristen M Chief Operating Officer Option exercise · Restricted Stock Units −6,170 12,339
2023-12-10 Oelschlager Kristen M Chief Operating Officer Option exercise · Restricted Stock Units −1,750 1,750
2023-12-10 Stokes Frank Chief Financial Officer Option exercise +6,170 39,937
2023-12-10 Stokes Frank Chief Financial Officer Shares withheld for taxes −1,802 $20.17 $36K 38,135
2023-12-10 Stokes Frank Chief Financial Officer Option exercise +2,000 40,135

Page 52 of 84 · 1,675 trades