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ALT · Altimmune, Inc. · Short Volume

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$3.33 -0.03 (-0.89%)
Russell 2000 member Rebalance outlook locked
Market Cap
$673.03M
Shares
194.52M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

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    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-09-08 713,768 0 1,692,170 42.2%
    2026-09-04 1,069,944 0 2,519,697 42.5%
    2026-09-03 605,395 504 1,294,292 46.8%
    2026-09-02 1,328,936 6,700 3,478,795 38.2%
    2026-09-01 692,393 1,318 1,208,846 57.3%
    2026-08-31 319,605 250 762,814 41.9%
    2026-08-28 780,664 0 1,454,197 53.7%
    2026-08-27 504,033 95 1,052,563 47.9%
    2026-08-26 831,501 0 1,800,175 46.2%
    2026-08-25 568,050 671 1,839,834 30.9%
    2026-08-24 508,322 4,631 1,315,283 38.6%
    2026-08-21 734,032 6,137 3,225,569 22.8%
    2026-08-20 1,304,262 8,135 2,400,324 54.3%
    2026-08-19 1,086,355 24,669 4,880,168 22.3%
    2026-08-18 457,153 4 1,202,167 38.0%
    2026-08-17 769,672 0 2,282,716 33.7%
    2026-08-14 759,791 846 1,366,138 55.6%
    2026-08-13 1,339,598 737 2,241,018 59.8%
    2026-08-12 1,209,477 23,068 2,941,641 41.1%
    2026-08-11 789,616 1,103 1,718,114 46.0%
    2026-08-10 600,815 0 2,547,860 23.6%
    2026-08-07 819,906 0 2,237,888 36.6%
    2026-08-06 713,610 0 1,406,718 50.7%
    2026-08-05 517,545 0 1,343,123 38.5%
    2026-08-04 1,211,605 0 3,551,328 34.1%
    2026-08-03 1,268,929 10 2,344,814 54.1%
    2026-07-31 1,197,375 1,451 1,699,992 70.4%
    2026-07-30 1,212,062 15,005 2,156,962 56.2%
    2026-07-29 1,713,674 47 4,074,177 42.1%
    2026-07-28 4,266,033 8,841 6,133,785 69.5%
    2026-07-27 823,807 3,952 1,827,462 45.1%
    2026-07-24 431,808 9,138 723,023 59.7%
    2026-07-23 427,207 2,941 786,615 54.3%
    2026-07-22 667,075 2,597 1,137,415 58.6%
    2026-07-21 476,598 11,423 891,782 53.4%
    2026-07-20 951,440 7,029 1,514,035 62.8%
    2026-07-17 657,571 2,207 1,339,634 49.1%
    2026-07-16 720,567 57 1,432,872 50.3%
    2026-07-15 569,360 883 1,171,584 48.6%
    2026-07-14 762,096 2,619 1,489,181 51.2%
    2026-07-13 710,634 419 1,010,161 70.3%
    2026-07-10 1,054,164 5,345 1,701,358 62.0%
    2026-07-09 693,356 1,226 1,262,310 54.9%
    2026-07-08 658,736 470 1,396,005 47.2%
    2026-07-07 1,124,746 202 1,923,173 58.5%
    2026-07-06 1,144,971 930 1,915,730 59.8%
    2026-07-02 1,018,878 4,113 1,965,980 51.8%
    2026-07-01 2,412,508 619 4,258,364 56.7%
    2026-06-30 910,985 50 2,036,724 44.7%
    2026-06-29 1,031,120 12,877 1,671,001 61.7%
    Showing 1–50 of 63 days
    Key facts CIK 1326190 CUSIP 02155H200 13F (30d) 142 filings 142 filers Visit website Investor relations