Stocks
PTGX Protagonist Therapeutics, Inc

PTGX

Protagonist Therapeutics, Inc

Company with tickers: PTGX

CIK

1377121

CUSIP

74366E102

Shares Outstanding

64,311,373

Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-22	80,300	512	124,105	64.7%
2026-05-21	91,148	2,500	116,306	78.4%
2026-05-20	92,507	0	126,432	73.2%
2026-05-19	141,194	4	174,822	80.8%
2026-05-18	113,468	0	163,061	69.6%
2026-05-15	113,013	0	133,989	84.3%
2026-05-14	117,347	250	154,998	75.7%
2026-05-13	124,237	5,339	195,592	63.5%
2026-05-12	171,785	17,886	240,843	71.3%
2026-05-11	126,878	16,187	181,356	70.0%
2026-05-08	107,514	8,352	146,710	73.3%
2026-05-07	247,691	3,550	301,690	82.1%
2026-05-06	222,470	729	247,674	89.8%
2026-05-05	126,992	38,432	142,752	89.0%
2026-05-04	83,708	6,000	111,327	75.2%
2026-05-01	90,013	350	118,210	76.1%
2026-04-30	114,901	0	240,309	47.8%
2026-04-29	88,108	15	204,507	43.1%
2026-04-28	135,045	5,300	210,176	64.3%
2026-04-27	182,863	0	499,070	36.6%
2026-04-24	79,632	0	311,366	25.6%
2026-04-23	101,952	0	230,408	44.2%
2026-04-22	82,718	188	120,621	68.6%
2026-04-21	122,371	3,897	152,979	80.0%
2026-04-20	87,929	869	126,785	69.4%
2026-04-17	126,864	324	533,208	23.8%
2026-04-16	74,979	0	146,720	51.1%
2026-04-15	140,582	0	275,197	51.1%
2026-04-14	156,076	3,350	252,113	61.9%
2026-04-13	239,727	0	411,496	58.3%
2026-04-10	122,955	0	234,716	52.4%
2026-04-09	180,530	1,570	234,405	77.0%
2026-04-08	127,315	115	210,487	60.5%
2026-04-07	116,334	770	147,673	78.8%
2026-04-06	133,301	4	156,883	85.0%