Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Zenas BioPharma, Inc. in our court records and SEC 8-K records (as of 2026-10-18).
- Leadership changes: the latest reported is Christy J. Oliger (Form 8-K filed 2026-08-13). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Wellington Management Group LLP (filed 2026-09-08).
Who is behind it
Zenas BioPharma, Inc.: incorporated in Delaware; business address in Waltham, Massachusetts; industry Pharmaceutical Preparations (Schedule 13G, 2026-09-08).
Officers and directors, each with the role and the filing that names them:
- LEON O. MOULDER, JR.: Executive Officer, Director (Form D, 2024-05-14)
- JOSEPH FARMER: Executive Officer (Form D, 2024-05-14)
- TOMAS KISELAK: Director (Form D, 2024-05-14)
- HONGBO LU: Director (Form D, 2024-05-14)
- JAMES PATRICK BOYLAN: Director (Form D, 2024-05-14)
- PATRICK GERALD ENRIGHT: Director (Form D, 2024-05-14)
- JOHN JACOB ORLOFF: Director (Form D, 2024-05-14)
- JAKE NUNN: Director (Form D, 2024-05-14)
- TIM XIAO: Director (Form D, 2024-05-14)
- PATRICIA ALLEN: Director (Form D, 2024-05-14)
- JENNIFER FOX: Executive Officer (Form D, 2024-05-14)
- TANYA Z. FISCHER: Executive Officer (Form D, 2024-05-14)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-09-08 | Wellington Management Group LLP | 10.1% |
| Schedule 13G/A, 2026-09-08 | Innocare Pharma Inc. | 10.4% |
| Schedule 13D/A, 2026-08-19 | Enavate Sciences Gp, LLC | 4.9% |
| Schedule 13D/A, 2026-08-17 | Sr One Capital Management, LLC | 7.7% |
| Schedule 13D, 2026-05-05 | Moulder Leon O Jr | 5.09% |
| Schedule 13D/A, 2026-04-02 | Leon O. Moulder, Jr. | 4.79% |
| Schedule 13G/A, 2026-02-05 | Fmr LLC | 14.3% |
| Schedule 13D, 2026-01-14 | Leon O. Moulder, Jr. | 5.16% |
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-08-13 | Christy J. Oliger | appointed |
Money raised
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2024-05-14 | $200.15M | $200.15M |
| Form D, 2022-11-15 | $183.90M | $183.90M |
Latest IPO step: Zenas BioPharma, Inc. filed its final IPO prospectus, ticker ZBIO (424B4, 2024-09-13).
IPO filings: 424B4, 2024-09-13, S-1/A, 2024-09-06, S-1, 2024-08-22; ticker ZBIO on Nasdaq Global Select Market.
Related pages
Leadership changes5%+ holdersIPO filings
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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Cite this page
Permanent URL:
https://mentionfox.com/who-owns/zenas-biopharmaLast updated 2026-10-18
Primary record: Schedule 13G, 2026-09-08 · Form D, 2024-05-14 · Form 8-K, 2026-08-13 · 424B4, 2024-09-13
Who owns Zenas BioPharma, Inc.? Owners, funding and legal record. MentionFox, 2026-10-18. https://mentionfox.com/who-owns/zenas-biopharma