ZBIO

Zenas BioPharma, Inc.

Company with tickers: ZBIO

CIK

1953926

CUSIP

98937L105

Shares Outstanding

63,133,377

13F Activity (30d)

129 filings 126 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-05-29	94,024	0	171,623	54.8%
2026-05-28	150,449	0	252,617	59.6%
2026-05-27	67,267	0	130,784	51.4%
2026-05-26	92,779	0	181,536	51.1%
2026-05-22	56,491	2,066	116,394	48.5%
2026-05-21	77,773	0	212,729	36.6%
2026-05-20	117,062	0	183,990	63.6%
2026-05-19	125,885	2,838	244,867	51.4%
2026-05-18	346,950	582	589,063	58.9%
2026-05-15	150,907	0	262,189	57.6%
2026-05-14	139,706	0	264,129	52.9%
2026-05-13	122,818	0	182,372	67.3%
2026-05-12	58,012	0	114,549	50.6%
2026-05-11	71,478	0	171,996	41.6%
2026-05-08	76,160	0	110,268	69.1%
2026-05-07	99,608	0	158,033	63.0%
2026-05-06	73,648	0	121,017	60.9%
2026-05-05	80,232	0	134,789	59.5%
2026-05-04	311,028	1,500	484,576	64.2%
2026-05-01	235,817	0	396,096	59.5%
2026-04-30	220,899	0	297,597	74.2%
2026-04-29	181,132	0	212,024	85.4%
2026-04-28	173,987	0	291,626	59.7%
2026-04-27	99,826	1	151,054	66.1%
2026-04-24	206,210	100	234,804	87.8%
2026-04-23	165,101	0	202,772	81.4%
2026-04-22	178,001	0	259,000	68.7%
2026-04-21	94,011	0	123,199	76.3%
2026-04-20	71,012	0	112,137	63.3%
2026-04-17	56,087	0	86,869	64.6%
2026-04-16	72,464	0	96,925	74.8%
2026-04-15	242,760	0	427,816	56.7%
2026-04-14	176,103	200	212,648	82.8%
2026-04-13	93,592	0	196,006	47.7%
2026-04-10	94,831	148	162,677	58.3%
2026-04-09	113,402	0	272,184	41.7%
2026-04-08	213,003	0	440,697	48.3%
2026-04-07	141,758	0	200,167	70.8%
2026-04-06	228,119	0	314,066	72.6%