SEPN

Septerna, Inc.

Company with tickers: SEPN

CIK

1984086

CUSIP

81734D104

Shares Outstanding

45,075,533

13F Activity (30d)

109 filings 109 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-29	51,491	494	81,342	63.3%
2026-05-28	38,009	3,289	94,009	40.4%
2026-05-27	38,809	87	66,608	58.3%
2026-05-26	88,671	3,192	150,542	58.9%
2026-05-22	78,479	807	136,457	57.5%
2026-05-21	41,955	0	78,498	53.4%
2026-05-20	36,630	0	66,669	54.9%
2026-05-19	87,957	0	148,792	59.1%
2026-05-18	77,688	0	130,044	59.7%
2026-05-15	119,957	0	185,874	64.5%
2026-05-14	142,683	348	206,194	69.2%
2026-05-13	49,511	0	100,947	49.0%
2026-05-12	85,814	0	150,625	57.0%
2026-05-11	22,731	0	36,104	63.0%
2026-05-08	37,438	1,000	64,298	58.2%
2026-05-07	49,300	0	75,805	65.0%
2026-05-06	74,686	0	122,065	61.2%
2026-05-05	72,761	0	145,389	50.0%
2026-05-04	49,510	0	142,430	34.8%
2026-05-01	27,267	0	66,934	40.7%
2026-04-30	49,467	0	100,596	49.2%
2026-04-29	43,284	0	156,727	27.6%
2026-04-28	32,993	0	109,662	30.1%
2026-04-27	39,621	0	158,311	25.0%
2026-04-24	66,895	0	374,985	17.8%
2026-04-23	87,735	0	190,070	46.2%
2026-04-22	55,803	0	111,691	50.0%
2026-04-21	55,520	0	142,864	38.9%
2026-04-20	147,333	0	345,743	42.6%
2026-04-17	63,714	1,498	139,219	45.8%
2026-04-16	64,315	0	151,707	42.4%
2026-04-15	82,326	0	575,556	14.3%
2026-04-14	57,593	2,997	79,352	72.6%
2026-04-13	54,567	3,220	88,015	62.0%
2026-04-10	156,243	0	180,368	86.6%
2026-04-09	22,352	0	71,301	31.3%
2026-04-08	25,258	0	59,378	42.5%
2026-04-07	32,586	0	66,258	49.2%
2026-04-06	21,197	0	50,401	42.1%