ATRA · Atara Biotherapeutics, Inc. · Off Exchange
$9.40
-0.08 (-0.84%)
At close · Oct 5
Return incl. dividend (before tax)
Going-concern doubt
— flagged Aug 12, 2026
Substantial doubt about the company's ability to continue as a going concern.
“Our existing cash, cash equivalents and short-term investments as of June 30, 2026 will not be sufficient to fund our planned operations for at least the next twelve months from the date of issuance of these financial statements. These conditions raise substantial doubt about 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 Aug 12, 2026
Market Cap
$82.31M
Shares
10.04M
Volume · Oct 5
39.34K
Avg daily vol (3M)
57.9K
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-08-31 | 21,850 | 135,215 | 157,065 | 59.5% |
| 2026-08-24 | 16,293 | 48,714 | 65,007 | 36.4% |
| 2026-08-17 | 29,641 | 53,122 | 82,763 | 36.0% |
| 2026-08-10 | 45,739 | 75,100 | 120,839 | 33.8% |
| 2026-08-03 | 29,775 | 37,443 | 67,218 | 38.6% |
| 2026-07-27 | 47,033 | 57,645 | 104,678 | 32.9% |
| 2026-07-20 | 45,249 | 65,829 | 111,078 | 43.0% |
| 2026-07-13 | 67,222 | 120,628 | 187,850 | 35.2% |
| 2026-07-06 | 65,070 | 66,198 | 131,268 | 29.0% |
| 2026-06-29 | 48,965 | 56,097 | 105,062 | 45.0% |
| 2026-06-22 | 68,148 | 69,369 | 137,517 | 37.9% |
| 2026-06-15 | 72,269 | 109,706 | 181,975 | 38.4% |
| 2026-06-08 | 70,327 | 123,421 | 193,748 | 51.8% |
| 2026-06-01 | 66,717 | 120,530 | 187,247 | 44.5% |
| 2026-05-25 | 95,883 | 173,475 | 269,358 | 45.3% |
| 2026-05-18 | 162,107 | 241,646 | 403,753 | 43.7% |
| 2026-05-11 | 414,307 | 1,347,650 | 1,761,957 | 53.3% |
| 2026-05-04 | 3,208,461 | 40,929,262 | 44,137,723 | 54.9% |
| 2026-04-27 | 29,402 | 102,897 | 132,299 | 53.8% |
| 2026-04-20 | 31,585 | 106,446 | 138,031 | 57.7% |
| 2026-04-13 | 43,699 | 134,904 | 178,603 | 52.0% |
| 2026-04-06 | 48,232 | 177,990 | 226,222 | 53.2% |
| 2026-03-30 | 28,966 | 105,837 | 134,803 | 50.4% |
| 2026-03-23 | 49,598 | 110,580 | 160,178 | 45.6% |
| 2026-03-16 | 102,764 | 276,450 | 379,214 | 45.7% |
| 2026-03-09 | 1,098,935 | 1,503,645 | 2,602,580 | 52.8% |
| 2026-03-02 | 339,745 | 1,203,795 | 1,543,540 | 40.0% |
| 2026-02-23 | 353,765 | 337,010 | 690,775 | 49.4% |
| 2026-02-16 | 26,421 | 92,270 | 118,691 | 37.8% |
| 2026-02-09 | 39,598 | 112,209 | 151,807 | 42.2% |
| 2026-02-02 | 70,249 | 195,491 | 265,740 | 51.3% |
| 2026-01-26 | 124,160 | 374,703 | 498,863 | 46.1% |
| 2026-01-19 | 204,663 | 804,130 | 1,008,793 | 51.7% |
| 2026-01-12 | 717,787 | 4,910,636 | 5,628,423 | 58.6% |
| 2026-01-05 | 211,016 | 834,594 | 1,045,610 | 53.0% |
| 2025-12-29 | 35,884 | 105,093 | 140,977 | 47.2% |
| 2025-12-22 | 44,019 | 106,916 | 150,935 | 48.5% |
| 2025-12-15 | 64,527 | 75,093 | 139,620 | 45.5% |
| 2025-12-08 | 71,321 | 155,685 | 227,006 | 50.2% |
| 2025-12-01 | 49,257 | 170,252 | 219,509 | 54.9% |
| 2025-11-24 | 36,290 | 70,752 | 107,042 | 50.2% |
| 2025-11-17 | 39,932 | 133,970 | 173,902 | 53.9% |
| 2025-11-10 | 40,498 | 102,096 | 142,594 | 53.7% |
| 2025-11-03 | 68,833 | 172,633 | 241,466 | 49.3% |
| 2025-10-27 | 40,769 | 57,892 | 98,661 | 47.5% |
| 2025-10-20 | 33,808 | 80,188 | 113,996 | 43.7% |
| 2025-10-13 | 39,880 | 98,448 | 138,328 | 59.6% |
| 2025-10-06 | 66,967 | 180,629 | 247,596 | 61.8% |
Showing 1–48 of 48 weeks