Oelschlager Kristen M 4
4 · CASTLE BIOSCIENCES INC · Filed Jun 18, 2026
Research Summary
AI-generated summary of this filing
Castle Biosciences (CSTL) COO Kristen Oelschlager Sells 8,587 Shares
What Happened
- Kristen M. Oelschlager, Chief Operating Officer of Castle Biosciences (CSTL), disposed of 8,587 shares in an open-market sale on June 16, 2026. The weighted-average sale price was $20.71 per share for total proceeds of about $177,837. The sale is reported with code "S" (sale).
Key Details
- Transaction date: June 16, 2026; Form 4 filed June 18, 2026 (timely filing).
- Price details: executed in multiple trades at prices ranging $20.51–$20.95; $20.71 is the weighted-average sale price. The reporting person can provide the full trade-by-trade breakdown on request. (Footnote F2)
- Plan/authorization: Transactions were made pursuant to a Rule 10b5-1 trading plan adopted March 17, 2026. (Footnote F1)
- Ownership vehicle: Shares were held by the Fritz Shorter Trust, of which the reporting person and her spouse are trustees and beneficiaries. (Footnote F3)
- Shares owned after the transaction: not stated in the provided filing excerpt.
Context
- Sales executed under Rule 10b5-1 plans are typically prearranged and scheduled; they do not necessarily reflect the insider’s current view of the company. This was a straightforward open-market sale of trust-held shares rather than an option exercise, gift, or award.
Insider Transaction Report
Form 4
Oelschlager Kristen M
Chief Operating Officer
Transactions
- Sale
Common Stock
[F1][F2]2026-06-16$20.71/sh−8,587$177,837→ 30,460 total
Holdings
- 97,251(indirect: By Trust)
Common Stock
[F3]
Footnotes (3)
- [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 $20.51 to $20.95, 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]Held by the Fritz Shorter Trust of which the Reporting Person and her spouse are the trustees and beneficiaries.
Signature
/s/ Frank Stokes, Attorney-in-fact|2026-06-18