Company · CIK 1953926
Zenas BioPharma, Inc.
| CIK | 1953926 (SEC EDGAR) |
|---|---|
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | MA |
| Listed | ZBIO (Nasdaq) |
| First annual or quarterly report | 2024-11-12 |
Offerings
4 registrations| Registration | Label and status | First filed | Last event | Filings |
|---|---|---|---|---|
| 333-298895 | 2026-09-11 | 2026-09-11 | 1 | |
| 333-290777 | 2025-10-08 | 2026-03-30 | 5 | |
| 333-290999 | 2025-10-21 | 2025-10-21 | 1 | |
| 333-281713 | 2024-08-22 | 2024-09-13 | 4 |
Filings
12| Filed | Filing | Registration | Accession |
|---|---|---|---|
| 2026-09-11 | S-3ASRShelf registered | 333-298895 | 0001104659-26-107108 |
| 2026-03-30 | 424B5Shelf takedown | 333-290777 | 0001104659-26-036536 |
| 2026-03-30 | 424B5Shelf takedown | 333-290777 | 0001104659-26-036534 |
| 2026-03-26 | 424B5Shelf takedown | 333-290777 | 0001104659-26-035241 |
| 2026-03-26 | 424B5Shelf takedown | 333-290777 | 0001104659-26-035237 |
| 2025-10-21 | S-3ASRShelf registered | 333-290999 | 0001104659-25-101271 |
| 2025-10-08 | S-3ASRShelf registered | 333-290777 | 0001104659-25-097950 |
| 2024-09-13 | 424B4Final prospectus | 333-281713 | 0001104659-24-099805 |
| 2024-09-12 | EFFECTDeclared effective | 333-281713 | 9999999995-24-002815 |
| 2024-09-06 | S-1/AAmendment | 333-281713 | 0001104659-24-097538 |
| 2024-08-22 | S-1Registration filed | 333-281713 | 0001104659-24-091950 |
| 2024-01-25 | DRSDraft made public | 377-07069 | 0001104659-24-006759 |