Transaction #31038 · Form 4 · 0001628280-26-064912
CASTLE BIOSCIENCES INC · Exercise / conversion · Common Stock
CASTLE BIOSCIENCES INC · Transacted October 1, 2026 · Filed October 5, 2026
What does this filing report?
An SEC Form 4 filing for CASTLE BIOSCIENCES INC records an exercise / conversion involving Common Stock on October 1, 2026. The reported quantity was 4,153. The filing date is October 5, 2026. This is one transaction record; amounts are not allocated among any joint reporting owners.
The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.
Transaction details
- Company
- CASTLE BIOSCIENCES INC
- Company CIK
- 0001447362
- Security type
- Non-derivative
- Acquisition type
- Exercise / conversion · Code M
- Quantity acquired
- 4,153
- Reported price
- 3.38
- Reference value
- 14,037.14
- Currency
- Currency not specified
- Ownership
- Direct
- Holdings after transaction
- 17,509
- Ownership description
- Not reported
- SEC acceptance time
- Oct 5, 2026, 4:07 PM EDT
- 10b5-1 indication
- Indicated in filing
Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.
Reporting owners
- Oelschlager Kristen M ↗
Chief Operating Officer
CIK 0001856565
These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.
Company listings
The linked listing is identified separately from other current company listings.
Filing footnotes & remarks
- F1
- These transactions were made pursuant to a Rule 10b5-1 plan adopted by the Reporting Person, on March 17, 2026.
- F2
- This transaction was executed in multiple trades at prices ranging from $35.21 to $36.19, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F3
- This transaction was executed in multiple trades at prices ranging from $36.21 to $36.78, inclusive. The price reported above reflects the weighted-average sale price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
- F4
- Held by the Fritz Shorter Trust of which the Reporting Person and her spouse are the trustees and beneficiaries.
- F5
- The shares subject to the option are fully vested.
Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.
This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.