ZBIO - Company ID 0001953926
Zenas BioPharma, Inc. has filed 166 public company documents between 2022 and 2026. The most frequent type is insider trade (51 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 4 | Insider trade | 1mo ago2026-05-18 | 2026-05-18 | View filing |
| 10-Q | Quarterly report | 1mo ago2026-05-13 | 2026-03-31 | View filing |
| 8-K | Major company event | 1mo ago2026-05-13 | 2026-05-11 | View filing |
| SCHEDULE 13D | SCHEDULE 13D | 2mo ago2026-05-05 | - | View filing |
| 4 | Insider trade | 2mo ago2026-04-29 | 2026-04-28 | View filing |
| SCHEDULE 13D/A | SCHEDULE 13D/A | 3mo ago2026-04-02 | - | View filing |
| 4 | Insider trade | 3mo ago2026-04-02 | 2026-03-31 | View filing |
| 4 | Insider trade | 3mo ago2026-04-01 | 2026-03-31 | View filing |
| 4 | Insider trade | 3mo ago2026-03-31 | 2026-03-30 | View filing |
| 4 | Insider trade | 3mo ago2026-03-31 | 2026-03-31 | View filing |
| 8-K | Major company event | 3mo ago2026-03-31 | 2026-03-26 | View filing |
| 424B5 | Prospectus supplement | 3mo ago2026-03-30 | - | View filing |
| 424B5 | Prospectus supplement | 3mo ago2026-03-30 | - | View filing |
| FWP | Free writing prospectus | 3mo ago2026-03-27 | - | View filing |
| FWP | Free writing prospectus | 3mo ago2026-03-27 | - | View filing |
| 424B5 | Prospectus supplement | 3mo ago2026-03-26 | - | View filing |
| 424B5 | Prospectus supplement | 3mo ago2026-03-26 | - | View filing |
| FWP | Free writing prospectus | 3mo ago2026-03-26 | - | View filing |
| DEFA14A | Proxy materials | 3mo ago2026-03-16 | - | View filing |
| ARS | Annual report to shareholders | 3mo ago2026-03-16 | 2025-12-31 | View filing |
| DEF 14A | Proxy statement | 3mo ago2026-03-16 | 2026-05-11 | View filing |
| S-8 | Employee stock plan | 3mo ago2026-03-16 | - | View filing |
| 10-K | Annual report | 3mo ago2026-03-16 | 2025-12-31 | View filing |
| 8-K | Major company event | 3mo ago2026-03-16 | 2026-03-16 | View filing |
| 4 | Insider trade | 4mo ago2026-02-13 | 2026-02-11 | View filing |
| 4 | Insider trade | 4mo ago2026-02-13 | 2026-02-12 | View filing |
| 8-K | Major company event | 4mo ago2026-02-13 | 2026-02-10 | View filing |
| SCHEDULE 13G/A | SCHEDULE 13G/A | 5mo ago2026-02-05 | - | View filing |
| 4 | Insider trade | 5mo ago2026-02-03 | 2026-02-02 | View filing |
| 424B7 | 424B7 | 5mo ago2026-01-28 | - | View filing |
| SCHEDULE 13D | SCHEDULE 13D | 5mo ago2026-01-14 | - | View filing |
| 4 | Insider trade | 6mo ago2026-01-09 | 2026-01-07 | View filing |
| 8-K | Major company event | 6mo ago2026-01-05 | 2026-01-05 | View filing |