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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
2023-12-28 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −59 $22.17 $1K 11,629
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −8,076 $21.90 $177K 68,038
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −329 $21.90 $7K 92,246
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −329 $21.90 $7K 81,141
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −122 $21.90 $3K 11,696
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −119 $21.90 $3K 11,694
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −119 $21.90 $3K 11,693
2023-12-27 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −119 $21.90 $3K 11,688
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5,180 $21.93 $114K 76,114
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −211 $21.93 $5K 92,575
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −211 $21.93 $5K 81,470
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −76 $21.93 $2K 11,818
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −77 $21.93 $2K 11,813
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −77 $21.93 $2K 11,812
2023-12-26 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −77 $21.93 $2K 11,807
2023-12-22 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −5,224 $21.96 $115K 81,294
2023-12-22 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −213 $21.96 $5K 92,786
2023-12-22 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −213 $21.96 $5K 81,681
2023-12-22 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −76 $21.96 $2K 11,894
2023-12-22 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −78 $21.96 $2K 11,890

Page 48 of 84 · 1,675 trades