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CSCIF

COSCIENS Biopharma Inc.

Company with tickers: CSCIF

CIK
1113423
CUSIP
22112H101
Shares Outstanding
3,183,330

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
2026-05-04 611 3,979 4,590 100.0%
2026-04-27 25 1,594 1,619 100.0%
2026-04-20 2,117 2,549 4,666 100.0%
2026-04-13 209 8,358 8,567 100.0%
2026-04-06 5,771 46,375 52,146 100.0%
2026-03-30 6,240 35,053 41,293 100.0%
2026-03-23 1,483 26,896 28,379 100.0%
2026-03-16 11,053 37,889 48,942 100.0%
2026-03-09 282 1,379 1,661 100.0%
2026-03-02 464 2,166 2,630 100.0%
2026-02-23 1,054 2,480 3,534 100.0%
2026-02-16 200 4,638 4,838 100.0%
2026-02-09 756 3,417 4,173 100.0%
2026-02-02 576 3,177 3,753 100.0%
2026-01-26 879 5,100 5,979 100.0%
2026-01-19 134 876 1,010 100.0%
2026-01-12 187 3,531 3,718 100.0%
2026-01-05 270 1,392 1,662 100.0%
2025-12-29 455 6,344 6,799 100.0%
2025-12-22 741 5,335 6,076 100.0%
2025-12-15 2,668 5,982 8,650 99.4%
2025-12-08 132 1,862 1,994 95.0%
2025-12-01 442 8,360 8,802 100.0%
2025-11-24 2,789 7,189 9,978 99.8%
2025-11-17 845 7,339 8,184 99.8%
2025-11-10 171 3,002 3,173 99.2%
2025-11-03 122 2,199 2,321 100.0%
2025-10-27 55 3,828 3,883 100.0%
2025-10-20 2,287 3,966 6,253 100.0%
2025-10-13 3,251 5,112 8,363 100.0%
2025-10-06 2,694 2,453 5,147 99.0%
2025-09-29 894 4,037 4,931 100.0%
2025-09-22 2,126 5,266 7,392 99.9%
2025-09-15 2,370 4,519 6,889 98.4%
2025-09-08 1,080 10,505 11,585 100.0%
Showing 1–35 of 35 weeks