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SERA

Sera Prognostics, Inc.

Company with tickers: SERA

CIK
1534969
CUSIP
81749D107
Shares Outstanding
38,190,966
13F Activity (30d)
15 filings 15 filers

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 %
2026-06-12 4,714 0 23,688 19.9%
2026-06-11 15,997 4,334 24,845 64.4%
2026-06-10 31,065 18,294 63,151 49.2%
2026-06-09 12,000 4,762 28,190 42.6%
2026-06-08 3,032 1,234 9,609 31.6%
2026-06-05 2,118 0 21,769 9.7%
2026-06-04 10,798 0 36,502 29.6%
2026-06-03 2,192 0 9,834 22.3%
2026-06-02 1,216 0 28,647 4.2%
2026-06-01 6,413 0 13,796 46.5%
2026-05-29 9,851 194 20,055 49.1%
2026-05-28 9,444 1,859 19,007 49.7%
2026-05-27 7,860 0 28,225 27.8%
2026-05-26 30,192 0 68,863 43.8%
2026-05-22 26,287 0 109,953 23.9%
2026-05-21 7,038 0 13,594 51.8%
2026-05-20 11,049 0 21,995 50.2%
2026-05-19 3,921 0 9,325 42.0%
2026-05-18 3,790 0 9,778 38.8%
2026-05-15 2,504 0 19,688 12.7%
2026-05-14 25,442 0 38,369 66.3%
2026-05-13 7,837 0 50,809 15.4%
2026-05-12 10,825 909 19,627 55.2%
2026-05-11 6,059 1,157 102,701 5.9%
2026-05-08 2,045 12 6,204 33.0%
2026-05-07 16,900 1,652 91,124 18.5%
2026-05-06 8,323 0 15,466 53.8%
2026-05-05 6,809 0 11,185 60.9%
2026-05-04 1,849 0 5,195 35.6%
2026-05-01 2,972 0 5,061 58.7%
2026-04-30 7,764 0 12,095 64.2%
2026-04-29 538 0 6,293 8.5%
2026-04-28 1,191 0 2,313 51.5%
2026-04-27 1,795 0 6,019 29.8%
2026-04-24 2,364 0 6,176 38.3%
2026-04-23 4,134 0 7,140 57.9%
2026-04-22 1,074 0 2,559 42.0%
2026-04-21 1,669 0 2,735 61.0%
2026-04-20 1,639 0 2,570 63.8%
2026-04-17 5,988 28 19,034 31.5%
2026-04-16 2,981 0 9,711 30.7%
2026-04-15 470 0 3,796 12.4%
2026-04-14 455 0 7,186 6.3%
2026-04-13 457 0 3,244 14.1%
2026-04-10 6,254 0 22,773 27.5%
2026-04-09 4,434 0 9,288 47.7%
2026-04-08 9,071 0 18,572 48.8%
2026-04-07 3,893 200 10,805 36.0%
2026-04-06 11,362 87 24,933 45.6%
Showing 1–49 of 49 days