| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Aug 18, 2025 | Sell(S) | 55 | $11.61 | $639 | 37K |
| Aug 18, 2025 | Sell(S) | 86 | $11.61 | $998 | 37K |
| Aug 18, 2025 | Sell(S) | 2K | $11.61 | $19K | 35K |
Parsed from a single SEC EDGAR Form 4 filing (accession 0000905148-25-003069) within minutes of acceptance. Every field above traces to the original document. Verify it directly:
Connected pages for Atara Biotherapeutics, 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/0000905148-25-003069"
Use Arkolith to summarize insider buying and selling at Atara Biotherapeutics, Inc. over the last 90 days and cite the filings.