RGEN	The short sale volume percent (not short interest) for stock ticker RGEN is 68% on Jan 16, 2026. The short sale volume is 172,758. The total volume is 254,888. The short sale volume percent is up 8% compare to Jan 15, 2026.

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Insider Buying

The Volume and short volume are limited. It is not including all volumes from all Market.
Date	Short Volume	Total Volume	Percent
2026-01-16	172,758	254,888	68%
2026-01-15	184,651	307,034	60%
2026-01-14	175,345	344,035	51%
2026-01-13	306,491	488,990	63%
2026-01-12	159,643	204,098	78%
2026-01-09	97,976	151,969	64%
2026-01-08	137,655	250,022	55%
2026-01-07	189,182	405,837	47%
2026-01-06	122,332	202,789	60%
2026-01-05	144,245	228,651	63%

Last 5 days short percent	62.47%
Last 10 days short percent	59.55%
Last 20 days short percent	64.06%
Last 50 days short percent	64.67%

Related Stock Ticker
Date	Ticker	Short Volume	Total Volume	Percent
2026-01-16	BMRN	336,433	801,309	42%
2026-01-16	BMY	1,367,593	4,181,953	33%
2026-01-16	CRL	195,330	280,934	70%
2026-01-16	GE	519,318	1,276,935	41%
2026-01-16	NBIX	79,518	210,714	38%
2026-01-16	NVAX	1,038,184	2,339,673	44%
2026-01-16	PFE	12,461,059	29,137,161	43%
2026-01-16	SGMO	3,038,080	5,245,396	58%
2026-01-16	TMO	760,863	1,231,897	62%
2026-01-16	XLV	1,903,050	3,224,106	59%