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ZBIO

Zenas BioPharma, Inc.
$27.68 +1.23 (+4.65%) At close · Jul 7
Market Cap
$1.75B
Shares
63,133,377

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
2026-05-04 550,001 496,069 1,046,070 62.0%
2026-04-27 815,449 591,482 1,406,931 53.7%
2026-04-20 587,330 476,617 1,063,947 55.5%
2026-04-13 527,127 651,373 1,178,500 67.6%
2026-04-06 827,040 600,096 1,427,136 49.9%
2026-03-30 1,905,513 2,122,344 4,027,857 69.5%
2026-03-23 2,206,697 487,504 2,694,201 42.3%
2026-03-16 626,492 1,381,724 2,008,216 49.0%
2026-03-09 497,710 165,405 663,115 35.4%
2026-03-02 480,917 173,437 654,354 40.0%
2026-02-23 713,893 2,623,028 3,336,921 71.1%
2026-02-16 843,085 342,484 1,185,569 46.9%
2026-02-09 1,432,545 892,333 2,324,878 47.7%
2026-02-02 1,356,681 532,609 1,889,290 41.4%
2026-01-26 593,319 326,098 919,417 40.8%
2026-01-19 760,145 599,404 1,359,549 46.7%
2026-01-12 1,342,079 1,506,448 2,848,527 44.6%
2026-01-05 2,169,406 4,684,729 6,854,135 46.7%
2025-12-29 212,764 117,412 330,176 31.5%
2025-12-22 261,020 419,193 680,213 53.1%
2025-12-15 530,798 417,310 948,108 32.8%
2025-12-08 458,439 141,922 600,361 46.5%
2025-12-01 397,533 156,545 554,078 41.5%
2025-11-24 422,337 128,372 550,709 40.2%
2025-11-17 695,257 149,205 844,462 49.4%
2025-11-10 745,830 316,518 1,062,348 54.4%
2025-11-03 640,492 284,440 924,932 50.6%
2025-10-27 1,539,716 1,277,099 2,816,815 51.2%
2025-10-20 326,667 861,295 1,187,962 63.1%
2025-10-13 561,576 433,267 994,843 42.1%
2025-10-06 1,148,842 495,096 1,643,938 53.3%
2025-09-29 441,075 137,263 578,338 41.1%
2025-09-22 201,950 128,215 330,165 40.0%
2025-09-15 307,746 442,400 750,146 42.4%
2025-09-08 625,841 224,831 850,672 57.2%
2025-09-01 313,537 293,752 607,289 45.6%
2025-08-25 185,453 62,573 248,026 39.7%
2025-08-18 620,792 206,262 827,054 55.7%
2025-08-11 121,612 54,782 176,394 37.4%
2025-08-04 200,331 133,308 333,639 48.5%
2025-07-28 196,155 67,595 263,750 41.5%
2025-07-21 213,614 131,377 344,991 46.7%
2025-07-14 232,735 127,745 360,480 42.7%
Showing 1–43 of 43 weeks
Key facts CIK 1953926 CUSIP 98937L105 13F (30d) 2 filings 2 filers Visit website Investor relations