Notice of Proposed Sale · 144
Castle Biosciences, Inc.
CSTLNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Castle Biosciences, Inc.
- Issuer CIK
- 0001447362
- SEC file number
- 001-38984
- Phone
- 1-866-788-9007
- Person for whose account securities are to be sold
- Tobin Juvenal
- Relationships to issuer
- Chief Commercial Officer
- Street
- 1500 W. Parkwood Ave
- Street (continued)
- Suite 400
- City
- Friendswood
- State / country code
- TX
- Postal code
- 77546
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 22,500 | 630,000 | 30,329,952 | 07/31/2026 | NASD | Goldman Sachs & Co. LLC |
Broker / market maker — proposed row 1, entry 1
- Name
- Goldman Sachs & Co. LLC
- Street
- 200 West Street
- City
- New York
- State / country code
- NY
- Postal code
- 10282
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 12/10/2024 | Acquired as compensation -- Restricted Stock Units | Issuer | 4,666 | N | 12/10/2024 | Compensation |
| Common | 12/10/2021 | Acquired as compensation -- Restricted Stock Units | Issuer | 1,323 | N | 12/10/2021 | Compensation |
| Common | 02/28/2022 | Acquired as compensation -- Restricted Stock Awards | Issuer | 494 | N | 02/28/2022 | Compensation |
| Common | 12/09/2024 | Acquired as compensation -- Restricted Stock Units | Issuer | 12,074 | N | 12/09/2024 | Compensation |
| Common | 08/09/2024 | Acquired as compensation -- Restricted Stock Units | Issuer | 2,620 | N | 08/09/2024 | Compensation |
| Common | 12/10/2024 | Acquired as compensation -- Restricted Stock Units | Issuer | 1,323 | N | 12/10/2024 | Compensation |
Prior-sale reporting
- Nothing to report for the preceding three months
- Y
Remarks
The sales of shares set forth herein are made in connection with a selling plan dated 12/10/2025 that is intended to comply with Rule 10b5-1(c).
Notice signature
- Notice date
- 07/31/2026
- Signed
- Goldman Sachs & Co. LLC on behalf of Tobin Juvenal
- Plan adoption dates
- 12/10/2025