Lu Hongbo
SEC insider (Form 3/4/5 filer). CIK 0001767584. Director at Zenas BioPharma, Inc. (ZBIO) and 2 other issuers. 20 reported Form 4/5 transactions since Sep 2024; latest on Jun 15, 2026. Located in PASADENA, CA.
Companies Lu Hongbo has filed insider reports for
- Zenas BioPharma, Inc. (ZBIO): Director
- ARROWHEAD PHARMACEUTICALS, INC. (ARWR): Director
- Terns Pharmaceuticals, Inc. (TERN): Director
Lu Hongbo
CIK: 0001767584
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (20 total)
- Jun 15, 2026ZBIO
Zenas BioPharma, Inc.
AwardDirectStock Option (Right to Buy)
18.5K shares- - May 12, 2026ARWR
ARROWHEAD PHARMACEUTICALS, INC.
SaleDirect3K shares at avg. $76.88$228K - Mar 31, 2026ZBIO
Zenas BioPharma, Inc.
PurchaseIndirect3.8K shares at avg. $18.63$70K - Feb 11, 2026ZBIO
Zenas BioPharma, Inc.
PurchaseIndirect26K shares at avg. $22.50$585K - Dec 16, 2025ARWR
ARROWHEAD PHARMACEUTICALS, INC.
AwardDirect7.8K shares- - Oct 7, 2025ZBIO
Zenas BioPharma, Inc.
PurchaseIndirect263.2K shares at avg. $19.00$5.0M - Jun 11, 2025TERN
Terns Pharmaceuticals, Inc.
AwardDirectStock Option (Right to Buy)
45K shares- - Jun 10, 2025ZBIO
Zenas BioPharma, Inc.
AwardDirectStock Option (Right to Buy)
18.5K shares- - Feb 1, 2025TERN
Terns Pharmaceuticals, Inc.
AwardDirectStock Option (Right to Buy)
10.7K shares- - Dec 18, 2024ARWR
ARROWHEAD PHARMACEUTICALS, INC.
AwardDirect16.7K shares at avg. $22.99$385K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 15, 2026 |  ZBIO Zenas BioPharma, Inc. | Award Stock Option (Right to Buy) | 18,500 | - | - | Direct |
| May 12, 2026 |  ARWR ARROWHEAD PHARMACEUTICALS, INC. | Sale | 2,970 | $76.88 | $228,334 | Direct |
| Mar 31, 2026 | ZBIO Zenas BioPharma, Inc. | Purchase | 3,768 | $18.63 | $70,198 | Indirect |
| Feb 11, 2026 | ZBIO Zenas BioPharma, Inc. | Purchase | 25,985 | $22.50 | $584,663 | Indirect |
| Dec 16, 2025 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | Award | 7,819 | - | - | Direct |
| Oct 7, 2025 | ZBIO Zenas BioPharma, Inc. | Purchase | 263,160 | $19.00 | $5,000,040 | Indirect |
| Jun 11, 2025 |  TERN Terns Pharmaceuticals, Inc. | Award Stock Option (Right to Buy) | 45,000 | - | - | Direct |
| Jun 10, 2025 | ZBIO Zenas BioPharma, Inc. | Award Stock Option (Right to Buy) | 18,500 | - | - | Direct |
| Feb 1, 2025 | TERN Terns Pharmaceuticals, Inc. | Award Stock Option (Right to Buy) | 10,657 | - | - | Direct |
| Dec 18, 2024 | ARWR ARROWHEAD PHARMACEUTICALS, INC. | Award | 16,733 | $22.99 | $384,692 | Direct |
1-10 of 20 transactions