Zenas BioPharma, Inc. (ZBIO)
Latest ZBIO Insider Trades
About Zenas BioPharma, Inc. (ZBIO)
Zenas BioPharma Inc is a clinical-stage biopharmaceutical company. Its I&I product candidate, obexelimab, is a bifunctional monoclonal antibody designed to bind both CD19 and FcyRIIb, which are present across B cell lineage, in order to inhibit the activity of cells that are implicated in many autoimmune diseases without depleting them. The Company manages its operations on a consolidated basis as a single reportable segment focused on the research, development and commercialization of transformative immunology-based therapies.
- WALTHAM, MA
- 167
- 2024
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 12 | 1,063,566 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
ZBIO Insider Transactions (Form 4)
4131 Form 4 filings on record, the earliest from Nov 20, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jason Raleigh Nunn | Grant or award | Stock Option (Right to Buy) | 18,500 |
Recent ZBIO Form 8-K Filings
4Recent ZBIO Form 144 Notices of Proposed Sale
1A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Zebra Aggregator, LP | Affiliate | 1,000,000 | $31.91M | View on EDGAR |
ZBIO Insider Trading - FAQ
What is the latest insider trade for ZBIO?
Zenas BioPharma, Inc. (ZBIO) had 10 insider filings in the last 90 days, with the most recent on 2026-06-17. The full record for ZBIO runs to 31 Form 4 filings, the earliest from 2024-11-20. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying ZBIO stock?
No insider purchases of ZBIO were filed in the last 90 days. 27 purchases are on record for this company.
How many insiders are selling ZBIO stock?
No insider sales of ZBIO were filed in the last 90 days.
Where can I see ZBIO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks ZBIO Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow ZBIO insider buys?
Create a free InsiderAlpha account and press Watch on this page to add ZBIO to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Health Care Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Jason Raleigh Nunn view on EDGAR
- - Hongbo Lu view on EDGAR
- - Leon O. Moulder Jr. view on EDGAR
- - John J. Orloff view on EDGAR
- - Moltke Lisa von view on EDGAR
- - Patricia L. Allen view on EDGAR
- - James P. Boylan view on EDGAR
- - Patrick G. Enright view on EDGAR
- - Joseph L. Farmer view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Health Care
- Where ZBIO's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track ZBIO insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
