CIK 0001447362 · Accelerated filer
CASTLE BIOSCIENCES INC
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- 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
- $5,765,795
- in 18 filings, $4.9M under 10b5-1 plans
Net −$5,765,795. 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.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-08-08 | Juvenal Tobin W Chief Commercial Officer | Option exercise | +10,640 | 88,821 | ||
| 2025-08-08 | Juvenal Tobin W Chief Commercial Officer | Shares withheld for taxes | −4,294 | $19.36 | $83K | 84,527 |
| 2025-08-08 | Juvenal Tobin W Chief Commercial Officer | Option exercise · Performance-Based Stock Unit | −10,640 | 0 | ||
| 2025-08-08 | Stokes Frank Chief Financial Officer | Option exercise | +9,744 | 53,072 | ||
| 2025-08-08 | Stokes Frank Chief Financial Officer | Shares withheld for taxes | −4,356 | $19.36 | $84K | 48,716 |
| 2025-08-08 | Stokes Frank Chief Financial Officer | Option exercise · Performance-Based Stock Unit | −9,744 | 0 | ||
| 2025-08-08 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Option exercise | +66,991 | 136,674 | ||
| 2025-08-08 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Shares withheld for taxes | −23,972 | $19.36 | $464K | 112,702 |
| 2025-08-08 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Option exercise · Performance-Based Stock Unit | −66,991 | 0 | ||
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −4,944 | $20.30 | $100K | 69,683 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −8,068 | $20.30 | $164K | 52,923 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −6,924 | $20.30 | $141K | 44,986 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −660 | $20.30 | $13K | 3,618 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −660 | $20.30 | $13K | 3,615 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −660 | $20.30 | $13K | 3,615 |
| 2025-06-27 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −660 | $20.30 | $13K | 3,615 |
| 2025-05-22 | Cole G Bradley Director | Grant or award · Restricted Stock Units | +13,667 | 13,667 | ||
| 2025-05-22 | BRADBURY DANIEL Director | Grant or award · Restricted Stock Units | +13,667 | 13,667 | ||
| 2025-05-22 | Cotton Rodney Director | Grant or award · Restricted Stock Units | +13,667 | 13,667 | ||
| 2025-05-22 | Caple Kim Director | Grant or award · Restricted Stock Units | +13,667 | 13,667 |
Page 20 of 45 · 897 trades