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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
2023-12-09 Stokes Frank Chief Financial Officer Option exercise · Restricted Stock Units −14,617 43,850
2023-12-09 Juvenal Tobin W Chief Commercial Officer Option exercise +15,961 38,053
2023-12-09 Juvenal Tobin W Chief Commercial Officer Shares withheld for taxes −3,887 $20.17 $78K 34,166
2023-12-09 Juvenal Tobin W Chief Commercial Officer Option exercise · Restricted Stock Units −15,961 47,883
2023-12-09 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise 10b5-1 +33,496 128,391
2023-12-09 MAETZOLD DEREK J Pres. & Chief Exec. Officer Shares withheld for taxes 10b5-1 −11,481 $20.17 $232K 116,910
2023-12-09 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise · Restricted Stock Units 10b5-1 −33,496 100,487
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −2,322 $20.10 $47K 94,895
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −732 $20.10 $15K 99,482
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −732 $20.10 $15K 88,377
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −267 $20.10 $5K 14,330
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −267 $20.10 $5K 14,331
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −265 $20.10 $5K 14,332
2023-12-08 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −267 $20.10 $5K 14,325
2023-12-08 BRADBURY DANIEL Director Sale 10b5-1 −2,179 $20.09 $44K 72,838
2023-12-08 BRADBURY DANIEL Director Sale 10b5-1 −2,347 $20.09 $47K 50,605
2023-12-08 BRADBURY DANIEL Director Sale 10b5-1 −2,349 $20.09 $47K 50,625
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −48 $20.02 $961 97,217
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −15 $20.02 $300 100,214
2023-12-06 MAETZOLD DEREK J Pres. & Chief Exec. Officer Sale 10b5-1 −15 $20.02 $300 89,109

Page 54 of 84 · 1,675 trades