RGNX

REGENXBIO Inc.

Company with tickers: RGNX

CIK

1590877

CUSIP

75901B107

Shares Outstanding

51,697,621

13F Activity (30d)

155 filings 152 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-29	191,261	0	420,423	45.5%
2026-05-28	161,923	12,050	501,220	32.3%
2026-05-27	233,679	3,029	553,038	42.3%
2026-05-26	245,608	0	511,268	48.0%
2026-05-22	386,587	20	640,487	60.4%
2026-05-21	728,932	737	1,325,582	55.0%
2026-05-20	552,902	0	1,095,375	50.5%
2026-05-19	437,024	10,392	679,122	64.4%
2026-05-18	750,539	218	1,182,280	63.5%
2026-05-15	1,271,313	127,555	1,969,044	64.6%
2026-05-14	2,639,126	212,527	4,148,005	63.6%
2026-05-13	302,447	21	653,461	46.3%
2026-05-12	137,064	15	341,430	40.1%
2026-05-11	220,840	0	674,090	32.8%
2026-05-08	209,455	0	506,242	41.4%
2026-05-07	300,187	350	565,451	53.1%
2026-05-06	186,713	0	500,817	37.3%
2026-05-05	62,373	0	140,497	44.4%
2026-05-04	101,840	760	289,316	35.2%
2026-05-01	95,705	0	236,202	40.5%
2026-04-30	66,323	0	183,056	36.2%
2026-04-29	98,502	0	277,485	35.5%
2026-04-28	72,234	0	195,825	36.9%
2026-04-27	58,555	5	199,899	29.3%
2026-04-24	58,566	0	204,612	28.6%
2026-04-23	66,524	0	164,857	40.4%
2026-04-22	54,496	0	107,979	50.5%
2026-04-21	85,578	0	166,240	51.5%
2026-04-20	77,890	0	234,672	33.2%
2026-04-17	41,679	0	108,398	38.4%
2026-04-16	50,162	0	111,968	44.8%
2026-04-15	60,709	0	191,414	31.7%
2026-04-14	78,110	0	151,494	51.6%
2026-04-13	143,837	0	244,281	58.9%
2026-04-10	82,999	0	172,771	48.0%
2026-04-09	73,320	0	145,143	50.5%
2026-04-08	74,019	0	194,156	38.1%
2026-04-07	65,055	0	130,820	49.7%
2026-04-06	83,802	0	202,151	41.5%