Zenas BioPharma Inc. (ZBIO) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-10-15
06:11 am
Purchase
2025-10-0713GZenas BioPharma, Inc.
ZBIO
InnoCare Pharma Inc.5,000,000
9.400%
5,000,000increase
(New Position)
Filing
History
2025-10-14
5:29 pm
Purchase
2025-10-0913DZenas BioPharma, Inc.
ZBIO
Enavate Sciences GP, LLC3,919,159
7.300%
3,919,159increase
(New Position)
Filing
History
2025-10-14
5:29 pm
Purchase
2025-10-0913DZenas BioPharma, Inc.
ZBIO
SR One Capital Management, LLC5,037,854
9.400%
126,315increase
(+2.57%)
Filing
History
2025-10-14
09:35 am
Purchase
2025-10-0913DZenas BioPharma, Inc.
ZBIO
Longitude Capital Partners IV, LLC2,631,522
4.900%
2,631,522increase
(New Position)
Filing
History
2025-10-09
5:15 pm
Purchase
2025-10-0713DZenas BioPharma, Inc.
ZBIO
Leon O. Moulder, Jr.2,594,662
4.800%
496,016increase
(+23.64%)
Filing
History
2025-09-08
11:46 am
Purchase
2025-08-2913GZenas BioPharma, Inc.
ZBIO
FMR LLC4,644,279
11.000%
1,320,745increase
(+39.74%)
Filing
History
2025-08-06
12:19 pm
Purchase
2025-06-3013GZenas BioPharma, Inc.
ZBIO
FMR LLC3,323,534
7.900%
471,163increase
(+16.52%)
Filing
History
2025-06-06
4:10 pm
Purchase
2025-05-3013DZenas BioPharma, Inc.
ZBIO
Leon O. Moulder, Jr.2,098,646
5.000%
2,098,646increase
(New Position)
Filing
History
2025-05-12
10:20 am
Purchase
2025-03-3113GZenas BioPharma, Inc.
ZBIO
FMR LLC2,852,371
6.800%
852,371increase
(+42.62%)
Filing
History
2025-04-01
9:47 pm
Purchase
2025-03-2513GZenas BioPharma, Inc.
ZBIO
Novo Holdings A/S2,214,967
5.300%
2,214,967increase
(New Position)
Filing
History
2024-11-12
10:40 am
Purchase
2024-11-0813GZenas BioPharma, Inc.
ZBIO
FMR LLC2,000,000
5.026%
2,000,000increase
(New Position)
Filing
History
2024-10-21
4:18 pm
Purchase
2024-09-1613GZenas BioPharma, Inc.
ZBIO
Xencor Inc
XNCR
3,098,380
7.400%
3,098,380increase
(New Position)
Filing
History
2024-09-25
6:00 pm
Purchase
2024-09-1613GZenas BioPharma, Inc.
ZBIO
NEA 18 Venture Growth Equity L.P.2,613,948
6.600%
2,613,948increase
(New Position)
Filing
History
2024-09-23
8:56 pm
Purchase
2024-09-1613DZenas BioPharma, Inc.
ZBIO
SR One Capital Management, LLC4,911,539
12.300%
4,911,539increase
(New Position)
Filing
History
2024-09-23
8:11 pm
Purchase
2024-09-1613DBicara Therapeutics Inc. Common Stock
BCAX
Longitude Capital Partners IV, LLC2,501,934
6.000%
2,501,934increase
(New Position)
Filing
History
2024-09-23
4:16 pm
Purchase
2024-09-1613DBicara Therapeutics Inc. Common Stock
BCAX
Enavate Sciences GP, LLC3,761,359
9.000%
3,761,359increase
(New Position)
Filing
History