Updated Jul 16, 2026
Panacea Innovation Ltd has filed 1 SEC Form 4 filing across 1 company in the last 90 days — active on both sides. Lifetime open-market purchases: $857K. Lifetime open-market sales: $3.65M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-11 | ATRA | Atara Biotherapeutics, Inc. | S — Open-market sale | 313.4K | $10.10 | $3.17M |
| 2026-03-19 | ATRA | Atara Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 5 | $5.23 | $26 |
| 2026-03-19 | ATRA | Atara Biotherapeutics, Inc. | M — Option exercise | 259.2K | $0.00 | $26 |
| 2026-01-15 | ATRA | Atara Biotherapeutics, Inc. | S — Open-market sale | 80.6K | $6.07 | $489K |
| 2025-12-01 | ATRA | Atara Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 1 | $14.03 | $14 |
| 2025-12-01 | ATRA | Atara Biotherapeutics, Inc. | M — Option exercise | 48.7K | $0.00 | $5 |
| 2025-08-15 | ATRA | Atara Biotherapeutics, Inc. | P — Open-market purchase | 55.0K | $12.19 | $670K |
| 2025-07-17 | ATRA | Atara Biotherapeutics, Inc. | P — Open-market purchase | 19.3K | $9.64 | $186K |
Panacea Innovation Ltd is a corporate insider — currently tracked as Insider of Atara Biotherapeutics, Inc. (ATRA). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 2 open-market purchases ($857K) and 2 open-market sales ($3.65M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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