Quick Takeaways
- Hongbo Lu has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $15,174,107.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Hongbo Lu
- Location
- Waltham, MA
- Summary
- The estimated net worth of Hongbo Lu is at least $15,174,107 dollars as of 02 Apr 2026. Hongbo Lu is the Director of Zenas BioPharma, Inc. and owns shares of Zenas BioPharma, Inc. (ZBIO) stock worth about $7.95M. Hongbo Lu is the Director of Terns Pharmaceuticals, Inc. and owns shares of Terns Pharmaceuticals, Inc. (TERN) stock worth about $5M. Hongbo Lu is the Director of ARROWHEAD PHARMACEUTICALS, INC. and owns shares of ARROWHEAD PHARMACEUTICALS, INC. (ARWR) stock worth about $2.22M.
- Signature
- By: /s/ Hongbo Lu
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Hongbo Lu and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Zenas BioPharma, Inc. ($7,950,091).
- Past-year value change for that position: +$7,154,900.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Hongbo Lu
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ZBIO | Zenas BioPharma, Inc. | Director | $7,950,091 | +$7,154,900 | +900% | 31 Mar 2026 |
| TERN | Terns Pharmaceuticals, Inc. | Director | $4,999,995 | 11 Jun 2025 | ||
| ARWR | ARROWHEAD PHARMACEUTICALS, INC. | Director | $2,224,021 | 16 Dec 2025 |
Insider Transactions Reported by Hongbo Lu:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.