Nguyen Anhco Insider Trading Activity
Nguyen Anhco has been net-selling over the last 12 months with 0 purchases and 10 sales across 1 company.
ATRA is the most-traded position with 10 trades. The largest single transaction was a sale of ATRA for $48K on May 18, 2026.
Performance Scorecard
Forward stock performance after each transaction by Nguyen Anhco. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.
| PERIOD | AVG BUY RETURN | AVG SELL AVOIDED | SUCCESS RATE | TRADES |
|---|---|---|---|---|
| 30 days | — | -7.4% | 33% | 9 |
| 90 days | — | -29.4% | 22% | 9 |
| 120 days | — | -6.7% | 40% | 5 |
Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.
Price & Trades
Pro: Trade MarkersATRA · Atara Biotherapeutics, Inc.
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| DATE | TICKER | TYPE | SHARES | PRICE | VALUE | ROLE |
|---|---|---|---|---|---|---|
| May 18, 2026 | ATRA | Sell | 5,241 | $9.13 | $48K | CEO |
| Mar 2, 2026 | ATRA | Sell | 198 | $5.08 | $1K | CEO |
| Mar 2, 2026 | ATRA | Sell | 58 | $5.08 | $294.64 | CEO |
| Mar 2, 2026 | ATRA | Sell | 1,298 | $5.09 | $7K | CEO |
| Mar 2, 2026 | ATRA | Sell | 1,442 | $5.09 | $7K | CEO |
| Nov 17, 2025 | ATRA | Sell | 2,859 | $13.19 | $38K | CEO |
| Nov 17, 2025 | ATRA | Sell | 56 | $13.19 | $738.528 | CEO |
| Aug 18, 2025 | ATRA | Sell | 57 | $11.61 | $661.941 | CEO |
| Aug 18, 2025 | ATRA | Sell | 1,281 | $11.62 | $15K | CEO |
| Aug 18, 2025 | ATRA | Sell | 1,620 | $11.62 | $19K | CEO |
Top Companies Traded
| TICKER | COMPANY | TRADES | TOTAL VOLUME |
|---|---|---|---|
| ATRA | Atara Biotherapeutics, Inc. | 10 | $136K |
Other insiders at Atara Biotherapeutics, Inc.
2 other tracked filers at ATRA.