Oelschlager Kristen M 4
4 · CASTLE BIOSCIENCES INC · Filed Jul 6, 2026
Research Summary
AI-generated summary of this filing
Castle Biosciences (CSTL) COO Kristen Oelschlager Sells Shares
What Happened
- Kristen M. Oelschlager, Chief Operating Officer of Castle Biosciences (CSTL), sold a total of 8,586 shares in open-market transactions on July 1, 2026. The sales consisted of 8,186 shares at a weighted-average price of $24.40 (proceeds $199,738) and 400 shares at a weighted-average price of $24.78 (proceeds $9,912), for combined proceeds of approximately $209,650. These were sales (not purchases), and thus are generally considered routine disposition rather than a buy signal.
Key Details
- Transaction date: 2026-07-01; Form 4 filed: 2026-07-06 (no late filing flag noted in the provided data).
- Reported prices/amounts: 8,186 shares @ $24.40 ($199,738); 400 shares @ $24.78 ($9,912); total ~8,586 shares / $209,650.
- Price details: One sale executed across multiple trades at prices ranging $23.73–$24.72 (weighted avg reported); the other executed across multiple trades at $24.77–$24.79 (weighted avg reported). The filer offers to provide full trade-level details on request (see footnotes).
- Plan/holding notes: Transactions were made under a Rule 10b5-1 trading plan adopted by Ms. Oelschlager on March 17, 2026. Some shares are held by the Fritz Shorter Trust (the reporting person and spouse are trustees/beneficiaries).
- Shares owned after the transaction: Not specified in the excerpt provided.
Context
- The sales were executed under a pre-established 10b5-1 plan, which means the trades were scheduled in advance and are commonly used to avoid trading on nonpublic information; this is important context for interpreting insider sales. Sales do not necessarily indicate negative views about the company — they can be for diversification, tax, or liquidity reasons.
Insider Transaction Report
Form 4
Oelschlager Kristen M
Chief Operating Officer
Transactions
- Sale
Common Stock
[F1][F2]2026-07-01$24.40/sh−8,186$199,738→ 22,274 total - Sale
Common Stock
[F1][F3]2026-07-01$24.78/sh−400$9,912→ 21,874 total
Holdings
- 97,251(indirect: By Trust)
Common Stock
[F4]
Footnotes (4)
- [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 $23.73 to $24.72, 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 $24.77 to $24.79, 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.
Signature
/s/ Frank Stokes, Attorney-in-fact|2026-07-06