Leon O. Moulder Jr. - 07 Jan 2026 SCHEDULE 13D Report for Zenas BioPharma, Inc. Common Stock, $0.0001 par value per share (ZBIO)

Filing Manager
Leon O. Moulder Jr.
Reporting Manager
Leon O. Moulder, Jr.
Security
Zenas BioPharma, Inc. Common Stock, $0.0001 par value per share
Symbol
ZBIO
Shares outstanding
54,405,738 shares
Disclosed Ownership
2,806,792 shares
Ownership
5.2%
Form type
SCHEDULE 13D
Filing time
14 Jan 2026, 16:30:54 UTC
Date of event
07 Jan 2026
Previous filing
09 Oct 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Leon O. Moulder, Jr. 5.2% 2,806,792 1,097,825 1,708,967 /s/ Leon O. Moulder, Jr. Leon O. Moulder, Jr. 0001228865
Tellus BioVentures, LLC 3.1% 1,672,039 0 1,672,039 /s/ Leon O. Moulder, Jr. Leon O. Moulder, Jr., Managing Member
Leon O. Moulder, Jr. Revocable Trust U/A dtd 9/9/2008 0.1% 36,928 0 36,928 /s/ Leon O. Moulder, Jr. Leon O. Moulder, Jr., Trustee