Zenas BioPharma, Inc. (ZBIO)
Data as of , from SEC Form 4 filings.
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About Zenas BioPharma, Inc. (ZBIO)
Zenas BioPharma, Inc. files with the SEC under CIK 0001953926 and is classified as pharmaceutical preparations. We track it alongside the rest of the Health Care sector.
ZBIO Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 1 | 37,000 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
ZBIO insider transactions (Form 4)
432 Form 4 filings on record, the earliest from Nov 20, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Leon O. Moulder Jr. - Officer | Open-market purchase | Common Stock | 25,000 | $10.76 | $269K | |
| Leon O. Moulder Jr. - Officer | Open-market purchase | Common Stock | 45,000 | $9.98 | $449K | |
| Leon O. Moulder Jr. - Officer | Open-market purchase | Common Stock | 7,500 | $15.00 | $113K | |
| Leon O. Moulder Jr. - Officer | Open-market purchase | Common Stock | 2,500 | $14.57 | $36K |
Recent ZBIO Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| 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 1 insider filing in the last 90 days, with the most recent on 2026-09-02. The full record for ZBIO runs to 32 Form 4 filings, the earliest from 2024-11-20. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
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 collects ZBIO Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Christy J. Oliger view on EDGAR
- - 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
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where ZBIO's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow ZBIO with a 7-day demo
- ZBIO on your watchlist
- Every ZBIO Form 4 filing on record
- Up to 3 months of ZBIO price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
