Zenas BioPharma, Inc. (ZBIO) Market Cap
Zenas BioPharma, Inc. (ZBIO) has a market capitalization of $1.08B, based on the latest available market data.
Financials updated after earnings reported 2025-09-30.
Sector: Healthcare
Industry: Biotechnology
Employees: 130
Exchange: NASDAQ Global Select
Headquarters: Waltham, MA, US
Website: https://zenasbio.com
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SEC Filings
| Type | Filing Date | Link |
|---|---|---|
| 4(Insider Transaction (Form 4)) | 2/13/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/13/2026 | View Filing → |
| 8-K(Current Report (Material Events)) | 2/13/2026 | View Filing → |
| SC 13G/A(SEC Filing) | 2/5/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/3/2026 | View Filing → |
| 424B7(Prospectus (424B7)) | 1/28/2026 | View Filing → |
| SC 13D(SEC Filing) | 1/14/2026 | View Filing → |
| 4(Insider Transaction (Form 4)) | 1/9/2026 | View Filing → |
| 8-K(Current Report (Material Events)) | 1/5/2026 | View Filing → |
| S-8(SEC Filing) | 12/19/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 12/15/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 11/14/2025 | View Filing → |
| 10-Q(Quarterly Report) | 11/12/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/12/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/27/2025 | View Filing → |
| S-3ASR(SEC Filing) | 10/21/2025 | View Filing → |
| 3(Insider Initial Statement) | 10/15/2025 | View Filing → |
| SC 13G(SEC Filing) | 10/15/2025 | View Filing → |
| SC 13D/A(SEC Filing) | 10/14/2025 | View Filing → |
| SC 13D/A(SEC Filing) | 10/14/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/14/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/14/2025 | View Filing → |
| SC 13D/A(SEC Filing) | 10/14/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/14/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/9/2025 | View Filing → |
| SC 13D/A(SEC Filing) | 10/9/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/9/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 10/9/2025 | View Filing → |
| S-3ASR(SEC Filing) | 10/8/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 10/8/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 9/8/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 9/2/2025 | View Filing → |
| S-8(SEC Filing) | 8/12/2025 | View Filing → |
| 10-Q(Quarterly Report) | 8/12/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 8/12/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 8/6/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 6/12/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 6/12/2025 | View Filing → |
| SC 13D(SEC Filing) | 6/6/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 6/4/2025 | View Filing → |
| 10-Q(Quarterly Report) | 5/15/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 5/15/2025 | View Filing → |
| SC 13G/A(SEC Filing) | 5/12/2025 | View Filing → |
| 4/A(SEC Filing) | 4/28/2025 | View Filing → |
| ARS(SEC Filing) | 4/28/2025 | View Filing → |
| DEFA14A(SEC Filing) | 4/28/2025 | View Filing → |
| DEF 14A(SEC Filing) | 4/28/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 4/17/2025 | View Filing → |
| SC 13G(SEC Filing) | 4/1/2025 | View Filing → |
| 3(Insider Initial Statement) | 3/21/2025 | View Filing → |
| S-8(SEC Filing) | 3/11/2025 | View Filing → |
| 10-K(Annual Report) | 3/11/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/19/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 2/11/2025 | View Filing → |
| 8-K(Current Report (Material Events)) | 2/5/2025 | View Filing → |
| 4(Insider Transaction (Form 4)) | 12/18/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 12/18/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 12/4/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 12/2/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 11/20/2024 | View Filing → |
| SC 13G(SEC Filing) | 11/12/2024 | View Filing → |
| 10-Q(Quarterly Report) | 11/12/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 11/12/2024 | View Filing → |
| SC 13G(SEC Filing) | 10/21/2024 | View Filing → |
| SC 13G(SEC Filing) | 9/25/2024 | View Filing → |
| SC 13D(SEC Filing) | 9/23/2024 | View Filing → |
| SC 13D(SEC Filing) | 9/23/2024 | View Filing → |
| SC 13D(SEC Filing) | 9/23/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/20/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/18/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/18/2024 | View Filing → |
| SEC STAFF LETTER(SEC Filing) | 9/18/2024 | View Filing → |
| 4/A(SEC Filing) | 9/17/2024 | View Filing → |
| 4/A(SEC Filing) | 9/17/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/17/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| 4(Insider Transaction (Form 4)) | 9/16/2024 | View Filing → |
| S-8(SEC Filing) | 9/16/2024 | View Filing → |
| 8-K(Current Report (Material Events)) | 9/16/2024 | View Filing → |
| 424B4(Prospectus (424B4)) | 9/13/2024 | View Filing → |
| EFFECT(SEC Filing) | 9/13/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| 3(Insider Initial Statement) | 9/12/2024 | View Filing → |
| S-1MEF(SEC Filing) | 9/12/2024 | View Filing → |
| CERT(Certification Filing) | 9/12/2024 | View Filing → |
| 8-A12B(Securities Registration (Section 12b)) | 9/10/2024 | View Filing → |
| CORRESP(SEC Filing) | 9/10/2024 | View Filing → |
| CORRESP(SEC Filing) | 9/10/2024 | View Filing → |
| S-1/A(SEC Filing) | 9/6/2024 | View Filing → |
| CORRESP(SEC Filing) | 8/27/2024 | View Filing → |
| S-1(Securities Registration) | 8/22/2024 | View Filing → |
| DRSLTR(SEC Filing) | 7/25/2024 | View Filing → |
| UPLOAD(SEC Filing) | 7/24/2024 | View Filing → |
| DRSLTR(SEC Filing) | 7/16/2024 | View Filing → |
| UPLOAD(SEC Filing) | 7/5/2024 | View Filing → |
| DRSLTR(SEC Filing) | 6/26/2024 | View Filing → |
| DRS/A(SEC Filing) | 6/26/2024 | View Filing → |
| UPLOAD(SEC Filing) | 6/18/2024 | View Filing → |
| DRSLTR(SEC Filing) | 6/14/2024 | View Filing → |
| DRS/A(SEC Filing) | 6/14/2024 | View Filing → |
| UPLOAD(SEC Filing) | 5/28/2024 | View Filing → |
| DRSLTR(SEC Filing) | 5/15/2024 | View Filing → |
| DRS/A(SEC Filing) | 5/15/2024 | View Filing → |
| D(SEC Filing) | 5/14/2024 | View Filing → |
| SEC STAFF LETTER(SEC Filing) | 2/27/2024 | View Filing → |
| UPLOAD(SEC Filing) | 2/21/2024 | View Filing → |
| DRS(SEC Filing) | 1/25/2024 | View Filing → |
| D(SEC Filing) | 11/15/2022 | View Filing → |
