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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
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −187 $20.03 $4K 17,208
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −189 $20.03 $4K 17,208
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −189 $20.03 $4K 17,208
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −189 $20.03 $4K 17,202
2023-08-30 BRADBURY DANIEL Director Sale −2,780 $20.03 $56K 106,759
2023-08-30 BRADBURY DANIEL Director Sale −926 $20.03 $19K 66,854
2023-08-30 BRADBURY DANIEL Director Sale −926 $20.03 $19K 66,879
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −286 $20.10 $6K 121,527
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −90 $20.10 $2K 107,880
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −90 $20.10 $2K 96,775
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −35 $20.10 $704 17,395
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −33 $20.10 $663 17,397
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −33 $20.10 $663 17,397
2023-08-03 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −33 $20.10 $663 17,391
2023-07-14 Goldberg Ellen Director Option exercise +440 9,505
2023-07-14 Goldberg Ellen Director Option exercise · Restricted Stock Units −440 440
2023-07-14 Caple Kim Director Option exercise +440 4,705
2023-07-14 Caple Kim Director Option exercise · Restricted Stock Units −440 440
2023-07-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −8,376 $20.04 $168K 121,813
2023-07-07 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −4,188 $20.04 $84K 107,970

Page 60 of 84 · 1,675 trades