Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001104659-26-027964
Filing Date
2026-03-16
Accepted
2026-03-16 07:26:59
Documents
116
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K zbio-20251231x10k.htm   iXBRL 10-K 4307068
2 EX-10.14 zbio-20251231xex10d14.htm EX-10.14 36298
3 EX-10.19 zbio-20251231xex10d19.htm EX-10.19 20556
4 EX-10.25 zbio-20251231xex10d25.htm EX-10.25 126349
5 EX-10.31 zbio-20251231xex10d31.htm EX-10.31 709537
6 EX-19.1 zbio-20251231xex19d1.htm EX-19.1 55426
7 EX-23.1 zbio-20251231xex23d1.htm EX-23.1 7070
8 EX-31.1 zbio-20251231xex31d1.htm EX-31.1 15878
9 EX-31.2 zbio-20251231xex31d2.htm EX-31.2 15483
10 EX-32.1 zbio-20251231xex32d1.htm EX-32.1 8222
11 EX-32.2 zbio-20251231xex32d2.htm EX-32.2 8208
12 GRAPHIC zbio-20251231x10k004.jpg GRAPHIC 6769
13 GRAPHIC zbio-20251231x10k007.jpg GRAPHIC 79142
14 GRAPHIC zbio-20251231x10k008.jpg GRAPHIC 18823
15 GRAPHIC zbio-20251231x10k009.jpg GRAPHIC 46509
16 GRAPHIC zbio-20251231x10k010.jpg GRAPHIC 34899
17 GRAPHIC zbio-20251231x10k011.jpg GRAPHIC 34647
18 GRAPHIC zbio-20251231x10k012.jpg GRAPHIC 24124
19 GRAPHIC zbio-20251231x10k013.jpg GRAPHIC 37600
20 GRAPHIC zbio-20251231x10k014.jpg GRAPHIC 40965
21 GRAPHIC zbio-20251231x10k015.jpg GRAPHIC 119662
22 GRAPHIC zbio-20251231x10k016.jpg GRAPHIC 52450
23 GRAPHIC zbio-20251231x10k017.jpg GRAPHIC 28055
24 GRAPHIC zbio-20251231x10k018.jpg GRAPHIC 34012
25 GRAPHIC zbio-20251231x10k019.jpg GRAPHIC 40205
26 GRAPHIC zbio-20251231x10k020.jpg GRAPHIC 53012
27 GRAPHIC zbio-20251231x10k021.jpg GRAPHIC 75523
28 GRAPHIC zbio-20251231xex10d14001.jpg GRAPHIC 7387
29 GRAPHIC zbio-20251231xex10d19001.jpg GRAPHIC 9176
30 GRAPHIC zbio-20251231xex10d25001.jpg GRAPHIC 8332
31 GRAPHIC zbio-20251231xex19d1001.jpg GRAPHIC 8471
  Complete submission text file 0001104659-26-027964.txt   15330780

Data Files

Seq Description Document Type Size
32 EX-101.SCH zbio-20251231.xsd EX-101.SCH 68634
33 EX-101.CAL zbio-20251231_cal.xml EX-101.CAL 78900
34 EX-101.DEF zbio-20251231_def.xml EX-101.DEF 283201
35 EX-101.LAB zbio-20251231_lab.xml EX-101.LAB 659468
36 EX-101.PRE zbio-20251231_pre.xml EX-101.PRE 487002
120 EXTRACTED XBRL INSTANCE DOCUMENT zbio-20251231x10k_htm.xml XML 1563591
Mailing Address 852 WINTER STREET, SUITE 250 WALTHAM MA 02451
Business Address 852 WINTER STREET, SUITE 250 WALTHAM MA 02451 857-271-2954
Zenas BioPharma, Inc. (Filer) CIK: 0001953926 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-42270 | Film No.: 26754459
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)