Zenas BioPharma, Inc. (ZBIO)
NASDAQ: ZBIO · Real-Time Price · USD
18.01
-0.58 (-3.12%)
At close: Apr 28, 2026, 4:00 PM EDT
17.65
-0.36 (-2.00%)
After-hours: Apr 28, 2026, 7:07 PM EDT

Company Description

Zenas BioPharma, Inc., a clinical-stage biopharma company, engages in the development and commercialization of transformative immunology-based therapies.

Its lead product candidate is obexelimab, a bifunctional monoclonal antibody designed to bind CD19 and FcγRIIb for the treatment of various I&I diseases and various indications, including immunoglobulin G4-related disease, multiple sclerosis, and systemic lupus erythematosus.

The company develops ZB002, an anti-TNFa monoclonal antibody; ZB004, a CTLA-4-Ig fusion protein designed to have an extended half-life versus; and ZB001, an anti-IGF-1R monoclonal antibody.

The company was formerly known as Zenas BioPharma (Cayman) Limited and changed its name to Zenas BioPharma, Inc. in August 2023.

The company was incorporated in 2019 and is headquartered in Waltham, Massachusetts.

Zenas BioPharma, Inc.
Zenas BioPharma logo
Country United States
Founded 2019
IPO Date Sep 13, 2024
Industry Biotechnology
Sector Healthcare
Employees 167
CEO Leon Moulder

Contact Details

Address:
852 Winter Street, Suite 250
Waltham, Massachusetts 02451
United States
Phone 857 271 2954
Website zenasbio.com

Stock Details

Ticker Symbol ZBIO
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency USD
IPO Price $17.00
CIK Code 0001953926
CUSIP Number 98937L105
ISIN Number US98937L1052
SIC Code 2834

Key Executives

Name Position
Leon Oliver Moulder Jr., M.B.A. Founder, Chief Executive Officer and Chairman
Joseph L. Farmer Chief Operating Officer and President
Dr. Lisa von Moltke M.D. Head of Research and Development and Chief Medical Officer
Jennifer A. Fox Chief Business Officer and Chief Financial Officer
Dr. Heinrich Schlieker Ph.D. Chief Technical Officer
Dr. Haley Laken Ph.D. Chief Scientific Officer
Caroline Chevalier Chief Administrative Officer
Jeffrey Held Chief Legal Officer

Latest SEC Filings

Date Type Title
Apr 2, 2026 SCHEDULE 13D/A Filing
Mar 31, 2026 8-K Current Report
Mar 30, 2026 424B5 Filing
Mar 30, 2026 424B5 Filing
Mar 27, 2026 FWP Free Writing Prospectus
Mar 27, 2026 FWP Free Writing Prospectus
Mar 26, 2026 424B5 Filing
Mar 26, 2026 424B5 Filing
Mar 26, 2026 FWP Free Writing Prospectus
Mar 16, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material