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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
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −373 $20.06 $7K 14,759
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −371 $20.06 $7K 14,762
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −371 $20.06 $7K 14,763
2023-12-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −371 $20.06 $7K 14,756
2023-12-01 BRADBURY DANIEL Director Sale 10b5-1 −3,025 $20.06 $61K 76,456
2023-12-01 BRADBURY DANIEL Director Sale 10b5-1 −3,259 $20.06 $65K 54,502
2023-12-01 BRADBURY DANIEL Director Sale 10b5-1 −3,261 $20.06 $65K 54,525
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −4,510 $20.07 $91K 101,879
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,421 $20.07 $29K 101,684
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,421 $20.07 $29K 90,579
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −519 $20.07 $10K 15,132
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −518 $20.07 $10K 15,133
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −518 $20.07 $10K 15,134
2023-11-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −518 $20.07 $10K 15,127
2023-11-30 BRADBURY DANIEL Director Sale −7,307 $20.08 $147K 79,481
2023-11-30 BRADBURY DANIEL Director Sale −2,436 $20.08 $49K 57,761
2023-11-30 BRADBURY DANIEL Director Sale −2,436 $20.08 $49K 57,786
2023-11-29 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5,743 $20.13 $116K 106,389
2023-11-29 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,811 $20.13 $36K 103,105
2023-11-29 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,811 $20.13 $36K 92,000

Page 56 of 84 · 1,675 trades