# EDGAR Filing Document

**Accession Number:** 0001953926
**File Stem:** 0001104659-26-028063
**Filing Date:** 2026-3
**Character Count:** 1253
**Document Hash:** 377849851be5481af30efd55e64c7ffa
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-028063.hdr.sgml**: 20260316

**ACCESSION NUMBER**: 0001104659-26-028063

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260316

**DATE AS OF CHANGE**: 20260316

**EFFECTIVENESS DATE**: 20260316

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Zenas BioPharma, Inc.
- **CENTRAL INDEX KEY:** 0001953926
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42270
- **FILM NUMBER:** 26754589

**BUSINESS ADDRESS:**
- **STREET 1:** 852 WINTER STREET, SUITE 250
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451
- **BUSINESS PHONE:** 857-271-2954

**MAIL ADDRESS:**
- **STREET 1:** 852 WINTER STREET, SUITE 250
- **CITY:** WALTHAM
- **STATE:** MA
- **ZIP:** 02451

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Zenas BioPharma (Cayman) Ltd
- **DATE OF NAME CHANGE:** 20221108

### Attached PDF Documents

**Attachment 1:** `tm268637d1_ars.pdf`

_No text found in this document._