RGEN	The short sale volume percent (not short interest) for stock ticker RGEN is 66% on Jan 21, 2026. The short sale volume is 188,416. The total volume is 287,557. The short sale volume percent is up 7% compare to Jan 20, 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
2026-01-21	188,416	287,557	66%
2026-01-20	124,851	213,257	59%
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%

Last 5 days short percent	60.14%
Last 10 days short percent	59.74%
Last 20 days short percent	63.03%
Last 50 days short percent	64.47%

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2026-01-21	TMO	901,359	1,598,100	56%
2026-01-21	XLV	2,420,462	3,532,036	69%