Zenas BioPharma, Inc. (ZBIO)
Nasdaq: ZBIO · Pharmaceutical Preparations · Waltham, MA · filing with the SEC since 2022
Who runs Zenas BioPharma, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Moulder Leon O Jr
Chief Executive Officer. First filing Sep 2024, latest Jun 17, 2026, 10 filings in all.
Officers reporting now
4
of 15 people with a filing in the last fifteen months
Directors reporting now
11
17 people on the record since 2024
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Moulder Leon O Jr | Chief Executive Officer | Sep 2024 | Jun 17, 2026 | none |
| Farmer Joseph L | President and Chief Operating Officer | Sep 2024 | Jun 17, 2026 | none |
| Fox Jennifer A. | Chief Business Officer and Chief Financial Officer | Sep 2024 | Jun 17, 2026 | none |
| Von Moltke Lisa | Head of Research and Development and Chief Medical Officer | Mar 2025 | Jun 17, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Oliger Christy J. | director | Sep 2026 | Sep 2, 2026 | none |
| Allen Patricia L | director | Sep 2024 | Jun 17, 2026 | none |
| Boylan James P | director | Sep 2024 | Jun 17, 2026 | none |
| Enright Patrick G | director | Sep 2024 | Jun 17, 2026 | none |
| Lu Hongbo | director | Sep 2024 | Jun 17, 2026 | none |
| Nunn Jason Raleigh | director | Sep 2024 | Jun 17, 2026 | none |
| Orloff John J | director | Sep 2024 | Jun 17, 2026 | none |
| Fairmount Funds Management LLC | director | Sep 2024 | Apr 1, 2026 | none |
| Fairmount Healthcare Fund II L.P. | director | Sep 2024 | Apr 1, 2026 | none |
| Harwin Peter Evan | director | Sep 2024 | Apr 1, 2026 | none |
| Kiselak Tomas | director | Sep 2024 | Apr 1, 2026 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Innocare Pharma Inc. | 10% owner | Oct 2025 | Sep 8, 2026 | none |
| George Simeon | 10% owner | Sep 2024 | Oct 14, 2025 | none |
| Sr One Capital Management, LLC | 10% owner | Sep 2024 | Oct 14, 2025 | none |
Earlier names on the record5, newest filing first
Oliveira Orlando · officer · last filing Jun 2025Xiao Ting · director · last filing Apr 2025Enavate Sciences Gp, LLC · 10% owner · last filing Sep 2024Wellington Biomedical Innovation Master Investors (Cayman) I L.P. · 10% owner · last filing Sep 2024Zebra Aggregator, LP · 10% owner · last filing Sep 2024
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.