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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
2023-05-15 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −769 $23.45 $18K 101,680
2023-05-15 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −384 $23.45 $9K 19,834
2023-05-15 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −384 $23.45 $9K 19,834
2023-05-15 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −384 $23.45 $9K 19,834
2023-05-15 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −384 $23.45 $9K 19,828
2023-05-10 Olson Tiffany Director Option exercise +487 3,455
2023-05-10 Olson Tiffany Director Option exercise · Restricted Stock Units −487 487
2023-05-05 BRADBURY DANIEL Director Sale −2,039 $21.12 $43K 141,915
2023-05-05 BRADBURY DANIEL Director Sale −679 $21.12 $14K 78,572
2023-05-05 BRADBURY DANIEL Director Sale −680 $21.12 $14K 78,596
2023-05-05 BRADBURY DANIEL Director Sale −2,376 $21.80 $52K 139,539
2023-05-05 BRADBURY DANIEL Director Sale −792 $21.80 $17K 77,780
2023-05-05 BRADBURY DANIEL Director Sale −791 $21.80 $17K 77,805
2023-05-04 BRADBURY DANIEL Director Sale −3,400 $21.29 $72K 151,139
2023-05-04 BRADBURY DANIEL Director Sale −1,134 $21.29 $24K 81,646
2023-05-04 BRADBURY DANIEL Director Sale −1,133 $21.29 $24K 81,672
2023-05-04 BRADBURY DANIEL Director Sale −7,185 $21.88 $157K 143,954
2023-05-04 BRADBURY DANIEL Director Sale −2,395 $21.88 $52K 79,251
2023-05-04 BRADBURY DANIEL Director Sale −2,396 $21.88 $52K 79,276
2023-05-04 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale −1,660 $21.43 $36K 153,113

Page 63 of 84 · 1,675 trades