Zenas BioPharma, Inc. - ZBIO
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 26
Latest filed: Jun 17, 2026
| Form | Count |
|---|---|
| 4 | 19 |
| 8-K | 4 |
| SCHEDULE 13D | 1 |
| SCHEDULE 13D/A | 1 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075249 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075250 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075251 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075252 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075253 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075254 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075255 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075256 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001104659-26-075257 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001193125-26-274473 | View |
| May 18, 2026 | 4 | May 18, 2026 | 0001104659-26-063362 | View |
| May 13, 2026 | 8-K | May 11, 2026 | 0001104659-26-059700 | View |
| May 05, 2026 | SCHEDULE 13D | — | 0001104659-26-055643 | View |
| Apr 29, 2026 | 4 | Apr 28, 2026 | 0001104659-26-051889 | View |
| Apr 02, 2026 | SCHEDULE 13D/A | — | 0001104659-26-039279 | View |
| Apr 02, 2026 | 4 | Mar 31, 2026 | 0001104659-26-039240 | View |
| Apr 01, 2026 | 4 | Mar 31, 2026 | 0001104659-26-038546 | View |
| Mar 31, 2026 | 4 | Mar 30, 2026 | 0001104659-26-038031 | View |
| Mar 31, 2026 | 4 | Mar 31, 2026 | 0001104659-26-037865 | View |
| Mar 31, 2026 | 8-K | Mar 26, 2026 | 0001104659-26-037821 | View |
| Mar 16, 2026 | 8-K | Mar 16, 2026 | 0001104659-26-027961 | View |
| Feb 13, 2026 | 8-K | Feb 10, 2026 | 0001104659-26-015314 | View |
| Feb 13, 2026 | 4 | Feb 12, 2026 | 0001104659-26-015342 | View |
| Feb 13, 2026 | 4 | Feb 11, 2026 | 0001104659-26-015387 | View |
| Feb 05, 2026 | SCHEDULE 13G/A | — | 0000315066-26-000571 | View |
| Feb 03, 2026 | 4 | Feb 02, 2026 | 0001104659-26-009756 | View |