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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
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5 $20.02 $100 14,597
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5 $20.02 $100 14,598
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −7 $20.02 $140 14,597
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5 $20.02 $100 14,592
2023-12-06 BRADBURY DANIEL Director Sale 10b5-1 −64 $20.02 $1K 75,017
2023-12-06 BRADBURY DANIEL Director Sale 10b5-1 −68 $20.02 $1K 52,952
2023-12-06 BRADBURY DANIEL Director Sale 10b5-1 −68 $20.02 $1K 52,974
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,379 $20.08 $28K 97,265
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −435 $20.08 $9K 100,229
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −435 $20.08 $9K 89,124
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −157 $20.08 $3K 14,602
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −159 $20.08 $3K 14,603
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −159 $20.08 $3K 14,604
2023-12-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −159 $20.08 $3K 14,597
2023-12-04 BRADBURY DANIEL Director Sale 10b5-1 −1,375 $20.08 $28K 75,081
2023-12-04 BRADBURY DANIEL Director Sale 10b5-1 −1,482 $20.08 $30K 53,020
2023-12-04 BRADBURY DANIEL Director Sale 10b5-1 −1,483 $20.08 $30K 53,042
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −3,235 $20.06 $65K 98,644
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,020 $20.06 $20K 100,664
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,020 $20.06 $20K 89,559

Page 55 of 84 · 1,675 trades