Atara Biotherapeutics Inc... (ATRA)
NASDAQ: ATRA
· Real-Time Price · USD
13.74
-0.09 (-0.65%)
At close: Sep 26, 2025, 3:59 PM
13.99
1.82%
After-hours: Sep 26, 2025, 04:18 PM EDT
Atara Biotherapeutics dark pool activity today shows an average trade size of 14,600 with $178.7K average premium per trade.
| Rank | Time | Price | Size | Volume | Size / Vol | Size / Avg Vol | Avg. Paid |
|---|---|---|---|---|---|---|---|
| 1 | 8/15/2025 11:37 AM | 12.24 | 14,600 | 37,749 | 38.68% | 25.95% | 178.7K |
| Date | Long Volume | Short Volume | Long / Short | % Short Change |
|---|---|---|---|---|
| Sep 26, 2025 | 13.49K | 10.96K | 1.23 | 20.69% |
| Sep 19, 2025 | 27.44K | 9.08K | 3.02 | -30.89% |
| Sep 12, 2025 | 7.79K | 13.14K | 0.59 | 116.14% |
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