Castle Biosciences, Inc. (CSTL)
Nasdaq: CSTL · Services-Medical Laboratories · Friendswood, TX · filing with the SEC since 2008
Grade6.1
◀ Past 5.6● Present 7.3▶ Future 5.1
Who runs Castle Biosciences, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedOfficers reporting now
4
of 11 people with a filing in the last fifteen months
Directors reporting now
7
17 people on the record since 2019
Officerssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Juvenal Tobin W | Chief Commercial Officer | Apr 2021 | Nov 12, 2026 | 23 · $3.4M |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Jul 2019 | Nov 4, 2026 | 177 · $11.8M |
| Oelschlager Kristen M | Chief Operating Officer | Apr 2021 | Oct 5, 2026 | 14 · $2.4M |
| Stokes Frank | Chief Financial Officer | Jul 2019 | Aug 18, 2026 | 5 · $1.3M |
Directorssales are open-market, Nov 12, 2025 to Nov 12, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Bradbury Daniel | director | Jul 2019 | Jun 1, 2026 | none |
| Caple Kim | director | Jul 2021 | Jun 1, 2026 | none |
| Cole G Bradley | director | Jul 2019 | Jun 1, 2026 | 2 · $200,000 |
| Cotton Rodney | director | Mar 2024 | Jun 1, 2026 | none |
| Goldberg Ellen | director | Jul 2021 | Jun 1, 2026 | none |
| Harrison Miles | director | Apr 2020 | Jun 1, 2026 | none |
| Olson Tiffany | director | May 2021 | Jun 1, 2026 | none |
Earlier names on the record14, newest filing first
Aspinall Mara G. · director · last filing Jun 2024Spiess Bernhard E. · officer · last filing Dec 2021Kabakoff David S · director · last filing Jun 2021Cook Joseph C. III · director · last filing Mar 2021Anderson Bonnie H · director · last filing Jul 2020Monzon Federico A. · officer · last filing May 2020Healthquest Venture Management, L.L.C. · 10% owner · last filing May 2020Kong Garheng · 10% owner · last filing May 2020Mgc Venture Partners 2013 Gp, LLC · 10% owner · last filing May 2020Mgc Venture Partners 2013, L.P. · 10% owner · last filing May 2020Mgc Venture Partners 2018 Gp, LLC · 10% owner · last filing May 2020Mgc Venture Partners 2018, L.P. · 10% owner · last filing May 2020Mgc Venture Partners Qp 2018, L.P. · 10% owner · last filing May 2020Sofinnova Healthquest Partners, L.P. · 10% owner · last filing May 2020
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.