| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Aug 5, 2026 | Option exercise(M) | 3K | $2.39 | $6K | 24K |
| Aug 5, 2026 | Sell(S) | 3K | $30.68 | $78K | 21K |
| Aug 5, 2026 | Sell(S) | 556 | $30.68 | $17K | 23K |
| Aug 5, 2026 | Sell(S) | 473 | $30.68 | $15K | 20K |
| Aug 4, 2026 | Sell(S) | 12K | $31.34 | $374K | 21K |
| Aug 4, 2026 | Sell(S) | 5K | $31.34 | $150K | 24K |
| Aug 4, 2026 | Sell(S) | 4K | $31.34 | $127K | 20K |
| Aug 4, 2026 | Option exercise(M) | 20K | $2.39 | $49K | 42K |
| Aug 4, 2026 | Sell(S) | 8K | $30.79 | $259K | 33K |
| Aug 4, 2026 | Sell(S) | 3K | $30.79 | $104K | 28K |
| Aug 4, 2026 | Sell(S) | 3K | $30.79 | $88K | 24K |
| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Aug 5, 2026 | Option exercise(M) | 3K | — | $0 | 39K |
| Aug 4, 2026 | Option exercise(M) | 20K | — | $0 | 41K |
Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-26-054334) within minutes of acceptance. Every field above traces to the original document. Verify it directly:
Connected pages for CASTLE BIOSCIENCES INC
This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/filing/0001628280-26-054334"
Use Arkolith to summarize insider buying and selling at CASTLE BIOSCIENCES INC over the last 90 days and cite the filings.