ATRA · Atara Biotherapeutics, Inc.
$7.90
-0.27 (-3.30%)
At close · Jul 24
Going-concern doubt
— flagged May 12, 2026
Substantial doubt about the company's ability to continue as a going concern.
“Accordingly, we have concluded that substantial doubt exists with respect to our ability to continue as a going concern for at least 12 months after the issuance of the accompanying condensed consolidated financial statements.”View the 10-Q filed May 12, 2026
Market Cap
$71.18M
Shares
9.01M
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-07-24 | 17,715 | 200 | 42,724 | 41.5% |
| 2026-07-23 | 11,637 | 7 | 18,778 | 62.0% |
| 2026-07-22 | 3,333 | 0 | 8,949 | 37.2% |
| 2026-07-21 | 11,108 | 0 | 20,789 | 53.4% |
| 2026-07-20 | 13,187 | 0 | 16,447 | 80.2% |
| 2026-07-17 | 11,262 | 0 | 31,040 | 36.3% |
| 2026-07-16 | 8,142 | 0 | 13,167 | 61.8% |
| 2026-07-15 | 14,668 | 0 | 35,177 | 41.7% |
| 2026-07-14 | 48,642 | 826 | 63,878 | 76.1% |
| 2026-07-13 | 23,852 | 1,186 | 43,513 | 54.8% |
| 2026-07-10 | 11,170 | 0 | 14,448 | 77.3% |
| 2026-07-09 | 8,080 | 0 | 20,325 | 39.8% |
| 2026-07-08 | 42,181 | 0 | 53,726 | 78.5% |
| 2026-07-07 | 4,629 | 0 | 13,045 | 35.5% |
| 2026-07-06 | 8,111 | 0 | 26,825 | 30.2% |
| 2026-07-02 | 11,121 | 0 | 14,487 | 76.8% |
| 2026-07-01 | 5,475 | 956 | 12,081 | 45.3% |
| 2026-06-30 | 22,287 | 147 | 46,346 | 48.1% |
| 2026-06-29 | 8,548 | 18 | 27,919 | 30.6% |
| 2026-06-26 | 5,648 | 0 | 13,235 | 42.7% |
| 2026-06-25 | 12,282 | 206 | 30,414 | 40.4% |
| 2026-06-24 | 5,081 | 20 | 21,041 | 24.1% |
| 2026-06-23 | 15,155 | 113 | 39,128 | 38.7% |
| 2026-06-22 | 10,654 | 90 | 31,987 | 33.3% |
| 2026-06-18 | 14,650 | 0 | 35,842 | 40.9% |
| 2026-06-17 | 16,537 | 400 | 33,990 | 48.7% |
| 2026-06-16 | 45,286 | 0 | 60,364 | 75.0% |
| 2026-06-15 | 20,191 | 219 | 43,961 | 45.9% |
| 2026-06-12 | 16,750 | 24 | 48,132 | 34.8% |
| 2026-06-11 | 8,857 | 100 | 17,033 | 52.0% |
| 2026-06-10 | 11,818 | 5,106 | 26,029 | 45.4% |
| 2026-06-09 | 11,140 | 0 | 27,395 | 40.7% |
| 2026-06-08 | 30,904 | 0 | 73,400 | 42.1% |
| 2026-06-05 | 18,391 | 0 | 35,689 | 51.5% |
| 2026-06-04 | 9,345 | 0 | 35,889 | 26.0% |
| 2026-06-03 | 19,561 | 0 | 51,934 | 37.7% |
| 2026-06-02 | 11,466 | 0 | 30,460 | 37.6% |
| 2026-06-01 | 16,755 | 166 | 30,870 | 54.3% |
| 2026-05-29 | 18,904 | 588 | 38,265 | 49.4% |
| 2026-05-28 | 30,257 | 1 | 62,482 | 48.4% |
| 2026-05-27 | 31,105 | 0 | 66,176 | 47.0% |
| 2026-05-26 | 30,691 | 0 | 89,463 | 34.3% |
| 2026-05-22 | 19,292 | 0 | 45,108 | 42.8% |
| 2026-05-21 | 9,151 | 50 | 25,059 | 36.5% |
| 2026-05-20 | 10,720 | 0 | 21,640 | 49.5% |
| 2026-05-19 | 51,505 | 0 | 112,485 | 45.8% |
| 2026-05-18 | 113,039 | 8,586 | 196,095 | 57.6% |
| 2026-05-15 | 59,788 | 8,143 | 110,545 | 54.1% |
| 2026-05-14 | 64,256 | 3,493 | 129,124 | 49.8% |
| 2026-05-13 | 226,471 | 642 | 375,595 | 60.3% |
Showing 1–50 of 62 days