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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
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −81 $20.05 $2K 16,653
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −83 $20.05 $2K 16,652
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −83 $20.05 $2K 16,652
2023-09-01 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −83 $20.05 $2K 16,646
2023-09-01 BRADBURY DANIEL Director Sale −1,082 $20.04 $22K 101,305
2023-09-01 BRADBURY DANIEL Director Sale −360 $20.04 $7K 65,037
2023-09-01 BRADBURY DANIEL Director Sale −360 $20.04 $7K 65,062
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −4,084 $20.06 $82K 115,821
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,289 $20.06 $26K 106,079
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,289 $20.06 $26K 94,974
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −474 $20.06 $10K 16,734
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −473 $20.06 $9K 16,735
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −473 $20.06 $9K 16,735
2023-08-31 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −473 $20.06 $9K 16,729
2023-08-31 BRADBURY DANIEL Director Sale −4,372 $20.05 $88K 102,387
2023-08-31 BRADBURY DANIEL Director Sale −1,457 $20.05 $29K 65,397
2023-08-31 BRADBURY DANIEL Director Sale −1,457 $20.05 $29K 65,422
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −1,622 $20.03 $32K 119,905
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −512 $20.03 $10K 107,368
2023-08-30 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −512 $20.03 $10K 96,263

Page 59 of 84 · 1,675 trades