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OABI · OmniAb, Inc. · Off Exchange

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$4.87 -0.12 (-2.40%) At close · Oct 2
Market Cap
$670.25M
Shares
145.39M
Volume · Oct 2 1.62M Avg daily vol (3M) 1.42M

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
2026-08-24 1,308,766 1,544,617 2,853,383 38.4%
2026-08-17 2,526,056 10,239,066 12,765,122 44.7%
2026-08-10 742,438 1,433,491 2,175,929 41.0%
2026-08-03 647,062 1,431,753 2,078,815 47.2%
2026-07-27 253,105 283,568 536,673 39.1%
2026-07-20 271,953 316,415 588,368 31.1%
2026-07-13 392,542 364,203 756,745 34.4%
2026-07-06 688,661 599,275 1,287,936 34.6%
2026-06-29 296,426 340,559 636,985 36.4%
2026-06-22 365,760 893,481 1,259,241 29.5%
2026-06-15 308,041 365,826 673,867 24.8%
2026-06-08 278,039 465,000 743,039 38.6%
2026-06-01 427,356 627,458 1,054,814 37.2%
2026-05-25 404,451 535,318 939,769 35.2%
2026-05-18 600,086 1,330,812 1,930,898 38.1%
2026-05-11 860,786 958,150 1,818,936 36.6%
2026-05-04 480,205 4,778,971 5,259,176 72.2%
2026-04-27 392,723 449,944 842,667 35.1%
2026-04-20 754,126 678,927 1,433,053 35.5%
2026-04-13 549,061 705,827 1,254,888 30.9%
2026-04-06 200,988 335,536 536,524 34.3%
2026-03-30 142,261 190,789 333,050 28.8%
2026-03-23 163,956 273,864 437,820 39.4%
2026-03-16 223,047 495,793 718,840 33.5%
2026-03-09 173,744 379,685 553,429 43.2%
2026-03-02 345,387 448,383 793,770 34.9%
2026-02-23 172,153 216,459 388,612 37.6%
2026-02-16 211,450 211,495 422,945 41.6%
2026-02-09 384,014 269,822 653,836 43.4%
2026-02-02 642,674 483,052 1,125,726 52.9%
2026-01-26 741,232 975,782 1,717,014 54.2%
2026-01-19 216,781 333,209 549,990 40.5%
2026-01-12 252,105 478,705 730,810 47.8%
2026-01-05 229,661 317,572 547,233 39.5%
2025-12-29 252,744 325,026 577,770 38.0%
2025-12-22 186,407 372,845 559,252 43.9%
2025-12-15 656,936 976,740 1,633,676 29.7%
2025-12-08 690,750 772,793 1,463,543 44.3%
2025-12-01 459,689 385,848 845,537 41.5%
2025-11-24 254,434 314,853 569,287 35.9%
2025-11-17 520,541 1,299,867 1,820,408 43.8%
2025-11-10 309,995 581,401 891,396 47.8%
2025-11-03 499,467 1,239,063 1,738,530 58.1%
2025-10-27 272,369 3,361,769 3,634,138 79.5%
2025-10-20 220,601 387,698 608,299 42.6%
2025-10-13 338,142 622,590 960,732 50.8%
2025-10-06 535,684 900,259 1,435,943 49.2%
Showing 1–47 of 47 weeks
Key facts CIK 1846253 CUSIP 68218J103 13F (30d) 4 filings 4 filers Visit website Investor relations