stockNASDAQ: ATRA • 12 Months Updates

Atara Biotherapeutics Inc. (ATRA) 12 Months

Showing Closing Date Range from Oct 16, 2025 to Oct 16, 2026.

Price & Performance Trajectory

Atara Biotherapeutics Inc.NASDAQ: ATRA

Latest Close
$9.18
-39.78%
12 Months Updates Trajectory
Showing Closing Date Range from Oct 16, 2025 to Oct 16, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesATRA session performance
✓ Latest Close USD
$9.18
Latest session close
$-6.06vs period start
Period Return % % GAIN
-39.78%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$19.15 / $3.92
Period range envelope
$15.23channel spread
Total Volume SHARES
123.17M
Period turnover
Avg: 494.7K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(249 dates)
DateClose (USD)Return %HighLowVolume
Oct 16, 2026$9.18-4.87% $9.91$9.1819.5K
Oct 15, 2026$9.65+0.94% $9.78$9.1924.3K
Oct 14, 2026$9.56+2.74% $9.94$9.2039.5K
Oct 13, 2026$9.31-0.80% $9.53$8.8032.3K
Oct 12, 2026$9.38-1.05% $9.58$8.9926.8K
Oct 09, 2026$9.48+2.71% $9.56$9.3322.1K
Oct 08, 2026$9.23-1.49% $9.42$8.8228.9K
Oct 07, 2026$9.37-3.90% $9.75$9.3711.4K
Oct 06, 2026$9.75+3.72% $9.79$9.0547.6K
Oct 05, 2026$9.40-0.84% $9.63$8.9839.3K
Oct 02, 2026$9.48+12.06% $9.68$8.2585.6K
Sep 30, 2026$8.50+5.59% $8.71$7.8329.3K
Sep 25, 2026$8.81+3.16% $8.99$8.5431.2K
Sep 24, 2026$8.54-0.23% $8.86$8.3320.8K
Sep 23, 2026$8.56-4.14% $8.95$8.4040.5K
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