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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
2023-12-10 Stokes Frank Chief Financial Officer Shares withheld for taxes −584 $20.17 $12K 39,551
2023-12-10 Stokes Frank Chief Financial Officer Option exercise · Restricted Stock Units −6,170 12,339
2023-12-10 Stokes Frank Chief Financial Officer Option exercise · Restricted Stock Units −2,000 2,000
2023-12-10 Juvenal Tobin W Chief Commercial Officer Option exercise +6,170 40,336
2023-12-10 Juvenal Tobin W Chief Commercial Officer Shares withheld for taxes −1,503 $20.17 $30K 38,833
2023-12-10 Juvenal Tobin W Chief Commercial Officer Option exercise +1,750 40,583
2023-12-10 Juvenal Tobin W Chief Commercial Officer Shares withheld for taxes −427 $20.17 $9K 40,156
2023-12-10 Juvenal Tobin W Chief Commercial Officer Option exercise · Restricted Stock Units −6,170 12,339
2023-12-10 Juvenal Tobin W Chief Commercial Officer Option exercise · Restricted Stock Units −1,750 1,750
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise 10b5-1 +15,424 132,334
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Shares withheld for taxes 10b5-1 −4,370 $20.17 $88K 127,964
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise 10b5-1 +5,363 133,327
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Shares withheld for taxes 10b5-1 −2,111 $20.17 $43K 131,216
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise · Restricted Stock Units 10b5-1 −15,424 30,849
2023-12-10 MAETZOLD DEREK J Pres. & Chief Exec. Officer Option exercise · Restricted Stock Units 10b5-1 −5,363 5,362
2023-12-09 Oelschlager Kristen M Chief Operating Officer Option exercise +15,961 136,061
2023-12-09 Oelschlager Kristen M Chief Operating Officer Shares withheld for taxes −4,206 $20.17 $85K 131,855
2023-12-09 Oelschlager Kristen M Chief Operating Officer Option exercise · Restricted Stock Units −15,961 47,883
2023-12-09 Stokes Frank Chief Financial Officer Option exercise +14,617 38,036
2023-12-09 Stokes Frank Chief Financial Officer Shares withheld for taxes −4,269 $20.17 $86K 33,767

Page 53 of 84 · 1,675 trades