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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
2025-03-04 Juvenal Tobin W Chief Commercial Officer Shares withheld for taxes −5,573 $22.23 $124K 78,181
2025-03-04 Juvenal Tobin W Chief Commercial Officer Grant or award · Restricted Stock Units +47,838 47,838
2025-03-04 Juvenal Tobin W Chief Commercial Officer Option exercise · Restricted Stock Units −13,811 41,432
2025-03-04 Stokes Frank Chief Financial Officer Option exercise +12,186 48,776
2025-03-04 Stokes Frank Chief Financial Officer Shares withheld for taxes −5,448 $22.23 $121K 43,328
2025-03-04 Stokes Frank Chief Financial Officer Grant or award · Restricted Stock Units +47,838 47,838
2025-03-04 Stokes Frank Chief Financial Officer Option exercise · Restricted Stock Units −12,186 36,558
2025-02-20 Stokes Frank Chief Financial Officer Sale 10b5-1 −8,046 $26.70 $215K 35,319
2025-02-05 BRADBURY DANIEL Director Sale 10b5-1 −5,017 $28.17 $141K 0
2025-02-05 BRADBURY DANIEL Director Sale 10b5-1 −1,425 $28.17 $40K 0
2025-02-05 BRADBURY DANIEL Director Sale 10b5-1 −1,425 $28.17 $40K 0
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −556 $27.51 $15K 81,248
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −285 $27.51 $8K 71,301
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −267 $27.51 $7K 60,780
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −85 $27.51 $2K 5,175
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −85 $27.51 $2K 5,169
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −85 $27.51 $2K 5,169
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −85 $27.51 $2K 5,169
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −399 $28.65 $11K 80,849
2025-01-13 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −204 $28.65 $6K 71,097

Page 25 of 45 · 897 trades