SERA short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31

Short % of Float0.8%27,467,500 float shares

Days to Cover6.435,921 average daily volume

Open Short Position230,875Sera Prognostics, Inc. Class A

Change vs Previous-9,962-4.1%

Short interest history

Twice-monthly snapshots of open short positions.

Settlement	Short Position	Change	Change %	Days to Cover	Short % Float
Jul 31, 2026	230,875	-9,962	-4.1%	6.4	0.8%
Jul 15, 2026	240,837	-21,712	-8.3%	6.8	0.9%
Jun 30, 2026	262,549	-2,710	-1.0%	6.5	1.0%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade Date	Short Volume	Short Exempt	FINRA Total	Short Volume %	Facilities
Aug 21, 2026	1,378	0	8,062	17.1%	1
Aug 20, 2026	7,223	0	9,349	77.3%	2
Aug 19, 2026	416	98	9,047	4.6%	2
Aug 18, 2026	2,820	0	4,132	68.2%	2
Aug 17, 2026	6,103	0	12,023	50.8%	2
Aug 14, 2026	1,936	0	6,061	31.9%	2
Aug 13, 2026	7,296	0	23,095	31.6%	1
Aug 12, 2026	9,160	39	14,144	64.8%	2
Aug 11, 2026	4,032	0	8,335	48.4%	1
Aug 10, 2026	1,492	0	16,942	8.8%	1
Aug 7, 2026	4,411	0	20,399	21.6%	2
Aug 6, 2026	1,030	0	7,593	13.6%	2
Aug 5, 2026	16,448	5,341	34,572	47.6%	2
Aug 4, 2026	10,144	1,935	28,797	35.2%	2
Aug 3, 2026	5,067	0	6,167	82.2%	2
Jul 31, 2026	1,456	0	13,920	10.5%	2
Jul 30, 2026	5,034	0	29,128	17.3%	2
Jul 29, 2026	1,804	0	3,605	50.0%	2
Jul 28, 2026	6,312	0	18,095	34.9%	2
Jul 27, 2026	14,745	0	37,972	38.8%	2
Jul 24, 2026	1,647	0	5,654	29.1%	2

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.