Atara Biotherapeutics Inc. (ATRA)
Showing Closing Date Range from Jul 25 to Oct 23, 2026 compared to Apr 25 to Jul 24, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:investors.atarabio.com
Current Period Close
$8.59
Jul 25, 2026 - Oct 23, 2026
Previous Period Close
$7.90
Apr 25, 2026 - Jul 24, 2026
Net Comparison Delta
+$0.69 (+8.73%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(61 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $8.59 | Jul 23, 2026 | $8.17 | +5.14% |
| Oct 22, 2026 | $9.43 | Jul 22, 2026 | $8.13 | +16.06% |
| Oct 21, 2026 | $9.35 | Jul 21, 2026 | $8.63 | +8.34% |
| Oct 20, 2026 | $9.16 | Jul 20, 2026 | $8.29 | +10.49% |
| Oct 19, 2026 | $8.96 | Jul 17, 2026 | $8.39 | +6.79% |
| Oct 16, 2026 | $9.18 | Jul 16, 2026 | $8.72 | +5.28% |
| Oct 15, 2026 | $9.65 | Jul 15, 2026 | $8.55 | +12.87% |
| Oct 14, 2026 | $9.56 | Jul 14, 2026 | $8.04 | +18.91% |
| Oct 13, 2026 | $9.31 | Jul 13, 2026 | $8.67 | +7.32% |
| Oct 12, 2026 | $9.38 | Jul 10, 2026 | $9.76 | -3.89% |
| Oct 09, 2026 | $9.48 | Jul 09, 2026 | $9.95 | -4.68% |
| Oct 08, 2026 | $9.23 | Jul 08, 2026 | $9.65 | -4.35% |
| Oct 07, 2026 | $9.37 | Jul 07, 2026 | $10.26 | -8.67% |
| Oct 06, 2026 | $9.75 | Jul 06, 2026 | $10.88 | -10.39% |
| Oct 05, 2026 | $9.40 | Jul 02, 2026 | $11.65 | -19.31% |
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