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SLS · SELLAS Life Sciences Group, Inc.

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$15.46 +2.06 (+15.37%) At close · Aug 21
Market Cap
$3.12B
Shares
201.95M

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
2026-07-13 3,663,071 15,581,073 19,244,144 50.1%
2026-07-06 4,246,418 20,053,515 24,299,933 52.2%
2026-06-29 6,465,285 42,210,041 48,675,326 57.8%
2026-06-22 3,988,705 25,628,735 29,617,440 52.9%
2026-06-15 2,154,810 12,368,751 14,523,561 49.1%
2026-06-08 2,911,929 13,303,208 16,215,137 54.4%
2026-06-01 4,648,962 17,431,950 22,080,912 54.6%
2026-05-25 4,799,393 23,448,379 28,247,772 52.2%
2026-05-18 5,694,953 34,092,425 39,787,378 56.0%
2026-05-11 5,768,406 31,472,027 37,240,433 54.5%
2026-05-04 1,607,921 8,836,826 10,444,747 58.3%
2026-04-27 1,763,960 9,490,340 11,254,300 56.9%
2026-04-20 2,720,867 14,046,681 16,767,548 60.4%
2026-04-13 1,912,387 8,545,799 10,458,186 53.4%
2026-04-06 2,664,718 9,107,248 11,771,966 53.2%
2026-03-30 3,119,258 10,793,460 13,912,718 52.3%
2026-03-23 4,526,152 17,974,155 22,500,307 56.4%
2026-03-16 3,509,584 20,562,928 24,072,512 46.4%
2026-03-09 3,165,038 18,326,717 21,491,755 57.8%
2026-03-02 3,837,784 17,148,495 20,986,279 57.0%
2026-02-23 5,098,965 22,379,135 27,478,100 62.8%
2026-02-16 2,306,452 9,121,001 11,427,453 54.8%
2026-02-09 2,192,606 7,980,064 10,172,670 57.6%
2026-02-02 3,518,723 14,215,072 17,733,795 61.7%
2026-01-26 2,563,827 15,259,305 17,823,132 61.8%
2026-01-19 2,552,613 14,978,789 17,531,402 58.8%
2026-01-12 3,588,796 28,270,077 31,858,873 65.9%
2026-01-05 7,382,176 53,187,849 60,570,025 65.1%
2025-12-29 7,180,454 51,852,934 59,033,388 59.4%
2025-12-22 3,144,189 14,201,830 17,346,019 60.2%
2025-12-15 3,175,633 15,915,723 19,091,356 55.5%
2025-12-08 4,034,986 14,762,636 18,797,622 57.2%
2025-12-01 2,946,246 13,007,694 15,953,940 61.9%
2025-11-24 2,685,104 4,976,076 7,661,180 61.7%
2025-11-17 3,831,326 6,994,227 10,825,553 63.1%
2025-11-10 3,613,656 8,813,575 12,427,231 62.1%
2025-11-03 3,493,066 7,282,681 10,775,747 67.4%
2025-10-27 2,992,347 11,946,713 14,939,060 62.4%
2025-10-20 8,053,220 14,403,666 22,456,886 59.9%
2025-10-13 3,997,100 13,252,739 17,249,839 56.2%
2025-10-06 1,412,761 5,114,513 6,527,274 61.2%
2025-09-29 2,319,910 6,945,112 9,265,022 62.9%
2025-09-22 1,785,978 6,060,946 7,846,924 64.8%
2025-09-15 1,358,394 6,129,423 7,487,817 60.3%
2025-09-08 1,809,890 4,109,062 5,918,952 67.3%
2025-09-01 1,347,986 2,947,913 4,295,899 61.6%
2025-08-25 859,270 4,639,494 5,498,764 59.5%
Showing 1–47 of 47 weeks
Key facts CIK 1390478 CUSIP 81642T209 13F (30d) 184 filings 182 filers Visit website Investor relations