GLSI · Greenwich LifeSciences, Inc.
$14.02
+1.22 (+9.53%)
At close · Jul 30
Going-concern doubt
— flagged Jun 4, 2026
Substantial doubt about the company's ability to continue as a going concern.
“the Company has incurred net losses since its inception and has negative operating cash flows. These circumstances raise substantial doubt about the Company’s ability to continue as a going concern within one year after the date these financial statements are issued.”View the 10-Q filed Jun 4, 2026
Market Cap
$205.79M
Shares
14.68M
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 |
|---|---|---|---|---|
| 2026-05-04 | 73,726 | 156,074 | 229,800 | 56.7% |
| 2026-04-27 | 52,395 | 160,248 | 212,643 | 50.6% |
| 2026-04-20 | 92,938 | 238,532 | 331,470 | 41.2% |
| 2026-04-13 | 70,560 | 213,386 | 283,946 | 49.8% |
| 2026-04-06 | 101,208 | 187,848 | 289,056 | 41.7% |
| 2026-03-30 | 80,422 | 122,654 | 203,076 | 43.9% |
| 2026-03-23 | 68,014 | 203,621 | 271,635 | 40.0% |
| 2026-03-16 | 123,335 | 442,478 | 565,813 | 38.2% |
| 2026-03-09 | 108,827 | 195,157 | 303,984 | 38.0% |
| 2026-03-02 | 104,250 | 224,414 | 328,664 | 42.0% |
| 2026-02-23 | 137,191 | 276,213 | 413,404 | 43.7% |
| 2026-02-16 | 70,536 | 156,128 | 226,664 | 44.0% |
| 2026-02-09 | 86,296 | 187,991 | 274,287 | 41.6% |
| 2026-02-02 | 201,980 | 504,043 | 706,023 | 45.4% |
| 2026-01-26 | 334,294 | 1,009,793 | 1,344,087 | 50.9% |
| 2026-01-19 | 479,219 | 2,650,529 | 3,129,748 | 46.8% |
| 2026-01-12 | 468,474 | 1,324,872 | 1,793,346 | 55.3% |
| 2026-01-05 | 227,333 | 837,639 | 1,064,972 | 55.8% |
| 2025-12-29 | 532,812 | 3,806,006 | 4,338,818 | 63.3% |
| 2025-12-22 | 194,748 | 1,158,104 | 1,352,852 | 59.7% |
| 2025-12-15 | 360,503 | 2,098,450 | 2,458,953 | 45.8% |
| 2025-12-08 | 103,630 | 238,411 | 342,041 | 48.3% |
| 2025-12-01 | 49,926 | 94,928 | 144,854 | 45.6% |
| 2025-11-24 | 40,286 | 105,510 | 145,796 | 56.7% |
| 2025-11-17 | 39,807 | 99,158 | 138,965 | 49.8% |
| 2025-11-10 | 64,607 | 184,831 | 249,438 | 48.1% |
| 2025-11-03 | 97,654 | 217,283 | 314,937 | 50.6% |
| 2025-10-27 | 24,762 | 61,588 | 86,350 | 44.1% |
| 2025-10-20 | 81,626 | 112,467 | 194,093 | 49.0% |
| 2025-10-13 | 64,132 | 144,208 | 208,340 | 50.2% |
| 2025-10-06 | 46,573 | 114,280 | 160,853 | 48.4% |
| 2025-09-29 | 33,843 | 96,309 | 130,152 | 49.6% |
| 2025-09-22 | 84,466 | 170,273 | 254,739 | 50.1% |
| 2025-09-15 | 60,489 | 147,841 | 208,330 | 47.0% |
| 2025-09-08 | 63,588 | 255,197 | 318,785 | 52.3% |
| 2025-09-01 | 20,070 | 52,827 | 72,897 | 50.0% |
| 2025-08-25 | 19,831 | 50,941 | 70,772 | 52.3% |
| 2025-08-18 | 33,415 | 77,962 | 111,377 | 53.8% |
| 2025-08-11 | 48,969 | 68,929 | 117,898 | 41.9% |
| 2025-08-04 | 31,584 | 110,421 | 142,005 | 55.6% |
Showing 1–40 of 40 weeks
Key facts
CIK
1799788
CUSIP
396879108
13F (30d)
10 filings
10 filers
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