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CSTL

Castle Biosciences Inc
$23.72 -0.84 (-3.42%) At close · Jul 10
Market Cap
$719.43M
Shares
30,329,952

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.

Short Volume

Date Short Volume Short Exempt Total Volume Short %
2026-07-10 32,825 0 73,446 44.7%
2026-07-09 39,702 0 84,209 47.1%
2026-07-08 43,318 0 87,577 49.5%
2026-07-07 41,226 0 80,988 50.9%
2026-07-06 28,740 0 57,103 50.3%
2026-07-02 38,927 186 58,592 66.4%
2026-07-01 59,249 74 100,512 58.9%
2026-06-30 43,477 0 94,261 46.1%
2026-06-29 29,119 1,700 79,379 36.7%
2026-06-26 32,741 0 186,941 17.5%
2026-06-25 25,295 0 107,871 23.4%
2026-06-24 44,894 0 118,926 37.7%
2026-06-23 38,458 500 146,150 26.3%
2026-06-22 23,725 72 76,517 31.0%
2026-06-18 30,858 1,783 230,315 13.4%
2026-06-17 27,526 0 91,406 30.1%
2026-06-16 18,301 220 84,846 21.6%
2026-06-15 12,442 0 69,096 18.0%
2026-06-12 22,408 0 47,345 47.3%
2026-06-11 20,817 0 49,710 41.9%
2026-06-10 37,672 0 75,963 49.6%
2026-06-09 33,625 0 66,435 50.6%
2026-06-08 34,860 15,552 72,412 48.1%
2026-06-05 23,817 0 62,976 37.8%
2026-06-04 33,775 0 108,850 31.0%
2026-06-03 104,887 0 171,238 61.3%
2026-06-02 51,039 0 138,051 37.0%
2026-06-01 50,920 0 98,289 51.8%
2026-05-29 40,696 0 81,602 49.9%
2026-05-28 48,578 0 92,470 52.5%
2026-05-27 102,946 0 176,955 58.2%
2026-05-26 34,268 76 90,298 37.9%
2026-05-22 30,053 0 64,611 46.5%
2026-05-21 58,104 0 105,767 54.9%
2026-05-20 51,682 0 108,493 47.6%
2026-05-19 52,887 0 103,782 51.0%
2026-05-18 77,144 199 147,036 52.5%
2026-05-15 118,369 0 191,112 61.9%
2026-05-14 91,811 0 243,178 37.8%
2026-05-13 84,115 45 254,338 33.1%
2026-05-12 75,680 0 202,766 37.3%
2026-05-11 89,349 0 157,602 56.7%
2026-05-08 67,887 2,147 161,302 42.1%
2026-05-07 412,862 10,088 861,533 47.9%
2026-05-06 107,383 0 212,560 50.5%
2026-05-05 75,716 0 113,543 66.7%
2026-05-04 38,218 0 65,997 57.9%
2026-05-01 30,389 0 53,956 56.3%
2026-04-30 39,965 0 72,003 55.5%
2026-04-29 100,010 0 133,991 74.6%
Showing 1–50 of 62 days
Key facts CIK 1447362 CUSIP 14843C105 13F (30d) 4 filings 4 filers Visit website Investor relations