CIK 0001447362 · Accelerated filer
CASTLE BIOSCIENCES INC
Sign in to watch- 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
- $5,765,795
- 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 |
|---|---|---|---|---|---|---|
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −1,160 | $26.11 | $30K | 43,826 |
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −282 | $26.11 | $7K | 3,336 |
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −279 | $26.11 | $7K | 3,336 |
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −279 | $26.11 | $7K | 3,336 |
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Sale 10b5-1 | −279 | $26.11 | $7K | 3,336 |
| 2026-03-11 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Option exercise · Stock option (right to buy) 10b5-1 | −6,226 | 14,282 | ||
| 2026-03-05 | Stokes Frank Chief Financial Officer | Sale 10b5-1 | −6,001 | $27.98 | $168K | 60,085 |
| 2026-03-05 | Cole G Bradley Director | Option exercise | +4,748 | $3.38 | $16K | 26,712 |
| 2026-03-05 | Cole G Bradley Director | Sale | −4,748 | $28.44 | $135K | 21,964 |
| 2026-03-05 | Cole G Bradley Director | Sale | −2,655 | $28.51 | $76K | 19,309 |
| 2026-03-05 | Cole G Bradley Director | Option exercise · Stock option (right to buy) | −4,748 | 20,000 | ||
| 2026-03-04 | Juvenal Tobin W Chief Commercial Officer | Option exercise | +25,771 | 118,087 | ||
| 2026-03-04 | Juvenal Tobin W Chief Commercial Officer | Shares withheld for taxes | −10,399 | $28.17 | $293K | 107,688 |
| 2026-03-04 | Juvenal Tobin W Chief Commercial Officer | Option exercise · Restricted Stock Units | −13,811 | 27,621 | ||
| 2026-03-04 | Juvenal Tobin W Chief Commercial Officer | Option exercise · Restricted Stock Units | −11,960 | 35,878 | ||
| 2026-03-04 | Oelschlager Kristen M Chief Operating Officer | Option exercise | +25,771 | 45,839 | ||
| 2026-03-04 | Oelschlager Kristen M Chief Operating Officer | Shares withheld for taxes | −6,792 | $28.17 | $191K | 39,047 |
| 2026-03-04 | Oelschlager Kristen M Chief Operating Officer | Option exercise · Restricted Stock Units | −13,811 | 27,621 | ||
| 2026-03-04 | Oelschlager Kristen M Chief Operating Officer | Option exercise · Restricted Stock Units | −11,960 | 35,878 | ||
| 2026-03-04 | MAETZOLD DEREK J Pres. & Chief Exec. Officer | Option exercise | +59,097 | 123,752 |
Page 14 of 45 · 897 trades