Atara Biotherapeutics (ATRA) went public on October 16, 2014, when it opened at a split-adjusted price of $247.25.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
May 2026 | $4.78 | $12.45 | $4.63 | $10.48 | 82,951,280 |
April 2026 | $4.86 | $5.55 | $4.44 | $4.77 | 1,344,100 |
March 2026 | $5.21 | $7.30 | $4.30 | $4.73 | 10,113,053 |
February 2026 | $5.11 | $5.89 | $3.92 | $5.42 | 2,591,400 |
January 2026 | $18.35 | $19.15 | $4.20 | $5.20 | 14,722,700 |
December 2025 | $14.77 | $18.95 | $12.05 | $18.09 | 1,657,497 |
November 2025 | $14.90 | $15.30 | $10.50 | $15.10 | 1,291,100 |
October 2025 | $14.29 | $16.72 | $13.30 | $14.85 | 1,225,600 |
September 2025 | $11.97 | $14.91 | $11.33 | $14.33 | 1,126,900 |
August 2025 | $11.40 | $13.08 | $10.32 | $12.05 | 1,052,900 |
July 2025 | $7.60 | $13.46 | $7.54 | $11.52 | 1,394,200 |
June 2025 | $7.82 | $9.68 | $7.51 | $7.72 | 973,600 |
May 2025 | $8.01 | $8.65 | $6.39 | $7.80 | 1,575,300 |
April 2025 | $6.18 | $8.01 | $5.01 | $7.99 | 1,003,600 |
March 2025 | $6.92 | $7.60 | $5.85 | $5.94 | 1,149,300 |
February 2025 | $8.43 | $11.06 | $6.55 | $6.91 | 1,982,700 |
January 2025 | $13.34 | $18.71 | $5.40 | $8.88 | 8,991,000 |
December 2024 | $11.99 | $13.98 | $9.13 | $13.31 | 1,864,400 |
November 2024 | $9.10 | $14.93 | $8.80 | $12.18 | 2,697,300 |
October 2024 | $8.12 | $10.05 | $7.20 | $8.91 | 2,081,500 |
September 2024 | $7.50 | $10.69 | $6.81 | $8.13 | 4,682,800 |
August 2024 | $10.06 | $10.40 | $6.50 | $7.60 | 1,327,900 |
July 2024 | $8.50 | $12.98 | $7.31 | $9.83 | 1,437,500 |
June 2024 | $13.93 | $15.40 | $7.07 | $8.50 | 2,461,312 |
May 2024 | $17.68 | $19.00 | $12.10 | $14.03 | 1,220,448 |