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ATYR

aTYR PHARMA INC

Company with tickers: ATYR

CIK
1339970
CUSIP
002120202
Shares Outstanding
98,051,212
13F Activity (30d)
5 filings 3 filers

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 1,084,515 3,707,062 4,791,577 66.4%
2026-04-27 825,108 2,287,623 3,112,731 65.7%
2026-04-20 632,435 1,720,387 2,352,822 80.6%
2026-04-13 672,817 1,466,448 2,139,265 60.8%
2026-04-06 620,370 1,807,738 2,428,108 57.1%
2026-03-30 474,177 2,521,140 2,995,317 65.0%
2026-03-23 384,907 2,910,963 3,295,870 63.0%
2026-03-16 466,587 2,170,526 2,637,113 60.6%
2026-03-09 611,937 2,352,377 2,964,314 56.9%
2026-03-02 457,268 3,376,987 3,834,255 57.9%
2026-02-23 484,349 3,484,252 3,968,601 55.5%
2026-02-16 974,765 4,367,490 5,342,255 58.6%
2026-02-09 662,592 3,851,331 4,513,923 62.9%
2026-02-02 874,073 9,044,406 9,918,479 60.0%
2026-01-26 1,324,532 13,417,188 14,741,720 67.7%
2026-01-19 452,956 1,514,877 1,967,833 54.6%
2026-01-12 455,687 3,770,759 4,226,446 60.2%
2026-01-05 378,576 5,244,722 5,623,298 68.1%
2025-12-29 1,031,986 4,718,082 5,750,068 64.7%
2025-12-22 697,295 3,216,504 3,913,799 64.4%
2025-12-15 801,312 5,089,925 5,891,237 45.7%
2025-12-08 582,186 4,403,758 4,985,944 59.8%
2025-12-01 846,980 6,488,387 7,335,367 62.6%
2025-11-24 635,793 5,279,874 5,915,667 66.7%
2025-11-17 1,134,043 13,536,408 14,670,451 72.1%
2025-11-10 1,415,460 11,757,269 13,172,729 61.4%
2025-11-03 1,004,143 10,610,569 11,614,712 63.9%
2025-10-27 1,484,257 10,020,206 11,504,463 60.4%
2025-10-20 2,264,989 14,872,243 17,137,232 63.5%
2025-10-13 4,097,782 20,204,956 24,302,738 62.1%
2025-10-06 3,512,857 34,293,100 37,805,957 62.8%
2025-09-29 5,829,505 42,498,035 48,327,540 66.9%
2025-09-22 5,791,332 44,258,072 50,049,404 67.7%
2025-09-15 23,235,053 152,799,168 176,034,221 63.7%
2025-09-08 3,899,686 16,071,420 19,971,106 57.2%
2025-09-01 2,481,221 8,448,738 10,929,959 49.5%
2025-08-25 2,311,191 5,953,616 8,264,807 51.2%
2025-08-18 3,178,851 8,148,899 11,327,750 54.4%
2025-08-11 4,120,955 6,925,811 11,046,766 52.4%
2025-08-04 3,320,110 5,615,729 8,935,839 48.9%
2025-07-28 5,475,164 16,156,124 21,631,288 52.4%
2025-07-21 5,988,785 14,775,693 20,764,478 50.6%
2025-07-14 3,023,728 7,752,414 10,776,142 56.1%
2025-07-07 2,768,555 5,436,613 8,205,168 46.6%
2025-06-30 2,509,908 3,703,128 6,213,036 41.3%
2025-06-23 2,906,861 9,600,143 12,507,004 44.7%
Showing 1–46 of 46 weeks