GOSS · Gossamer Bio, Inc.
$0.15
-0.02 (-9.45%)
At close · Aug 14
Going-concern doubt
— flagged Aug 13, 2026
Substantial doubt about the company's ability to continue as a going concern.
“The Company has concluded that these circumstances and the uncertainties associated with the Company's ability to obtain additional equity or debt financing on terms that are favorable to the Company, or at all, and otherwise succeed in its future operations raise substantial doubt about the Company's ability to continue as a going concern.”View the 10-Q filed Aug 13, 2026
Market Cap
$75.38M
Shares
488.85M
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 |
|---|---|---|---|---|
| 2026-07-06 | 10,497,099 | 34,775,274 | 45,272,373 | 64.4% |
| 2026-06-29 | 8,502,004 | 27,236,718 | 35,738,722 | 65.3% |
| 2026-06-22 | 8,902,083 | 36,139,694 | 45,041,777 | 51.6% |
| 2026-06-15 | 7,787,922 | 38,352,273 | 46,140,195 | 64.5% |
| 2026-06-08 | 11,838,329 | 55,903,572 | 67,741,901 | 66.3% |
| 2026-06-01 | 10,025,107 | 35,707,518 | 45,732,625 | 69.4% |
| 2026-05-25 | 10,262,741 | 28,099,965 | 38,362,706 | 70.5% |
| 2026-05-18 | 16,077,657 | 85,275,507 | 101,353,164 | 68.0% |
| 2026-05-11 | 2,316,506 | 7,086,208 | 9,402,714 | 54.4% |
| 2026-05-04 | 2,314,318 | 10,159,449 | 12,473,767 | 62.1% |
| 2026-04-27 | 4,042,694 | 11,224,837 | 15,267,531 | 60.7% |
| 2026-04-20 | 4,641,363 | 11,889,931 | 16,531,294 | 63.1% |
| 2026-04-13 | 5,946,517 | 13,959,410 | 19,905,927 | 62.6% |
| 2026-04-06 | 6,110,301 | 21,695,510 | 27,805,811 | 61.9% |
| 2026-03-30 | 4,901,550 | 15,508,637 | 20,410,187 | 65.3% |
| 2026-03-23 | 9,594,737 | 54,578,720 | 64,173,457 | 74.5% |
| 2026-03-16 | 9,750,219 | 28,519,677 | 38,269,896 | 60.0% |
| 2026-03-09 | 6,541,892 | 21,344,342 | 27,886,234 | 64.3% |
| 2026-03-02 | 9,607,807 | 54,864,666 | 64,472,473 | 69.0% |
| 2026-02-23 | 42,100,189 | 297,758,071 | 339,858,260 | 70.7% |
| 2026-02-16 | 4,695,238 | 7,720,067 | 12,415,305 | 48.4% |
| 2026-02-09 | 6,200,210 | 6,471,882 | 12,672,092 | 48.4% |
| 2026-02-02 | 9,257,431 | 8,301,327 | 17,558,758 | 49.1% |
| 2026-01-26 | 3,904,655 | 6,150,011 | 10,054,666 | 46.3% |
| 2026-01-19 | 4,155,069 | 6,621,708 | 10,776,777 | 48.9% |
| 2026-01-12 | 4,494,725 | 4,708,482 | 9,203,207 | 47.5% |
| 2026-01-05 | 5,654,655 | 8,523,627 | 14,178,282 | 51.6% |
| 2025-12-29 | 3,006,694 | 3,594,826 | 6,601,520 | 42.5% |
| 2025-12-22 | 3,448,114 | 5,307,434 | 8,755,548 | 49.9% |
| 2025-12-15 | 6,113,026 | 6,700,227 | 12,813,253 | 34.9% |
| 2025-12-08 | 2,944,769 | 3,745,761 | 6,690,530 | 46.8% |
| 2025-12-01 | 3,117,973 | 4,428,293 | 7,546,266 | 46.0% |
| 2025-11-24 | 1,052,836 | 2,095,898 | 3,148,734 | 39.5% |
| 2025-11-17 | 2,887,990 | 5,020,992 | 7,908,982 | 44.1% |
| 2025-11-10 | 2,909,769 | 3,614,113 | 6,523,882 | 43.8% |
| 2025-11-03 | 1,797,410 | 2,804,459 | 4,601,869 | 41.2% |
| 2025-10-27 | 2,145,136 | 2,691,216 | 4,836,352 | 40.1% |
| 2025-10-20 | 3,556,529 | 6,010,741 | 9,567,270 | 48.6% |
| 2025-10-13 | 2,732,744 | 3,287,466 | 6,020,210 | 44.6% |
| 2025-10-06 | 2,844,082 | 4,870,028 | 7,714,110 | 45.7% |
| 2025-09-29 | 4,126,754 | 4,826,837 | 8,953,591 | 47.5% |
| 2025-09-22 | 3,104,091 | 9,893,328 | 12,997,419 | 57.3% |
| 2025-09-15 | 3,060,496 | 6,616,145 | 9,676,641 | 45.7% |
| 2025-09-08 | 6,008,067 | 10,852,864 | 16,860,931 | 54.3% |
| 2025-09-01 | 3,476,638 | 10,166,262 | 13,642,900 | 62.1% |
| 2025-08-25 | 3,564,401 | 5,790,825 | 9,355,226 | 52.6% |
| 2025-08-18 | 2,322,315 | 4,645,309 | 6,967,624 | 52.6% |
Showing 1–47 of 47 weeks