Yao Zhengbin
SEC insider (Form 3/4/5 filer). CIK 0001326228. Director at ALUMIS INC. (ALMS) and 1 other issuer. 4 reported Form 4/5 transactions since Sep 2024; latest on Jun 30, 2026. Located in SOUTH SAN FRANCISCO, CA.
Companies Yao Zhengbin has filed insider reports for
- ALUMIS INC. (ALMS): Director
- ArriVent BioPharma, Inc. (AVBP): Director, Officer, President and CEO
Yao Zhengbin
CIK: 0001326228
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)4 (100.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (4 total)
- Jun 30, 2026ALMS
ALUMIS INC.
AwardDirect3.6K shares- - Feb 2, 2026AVBP
ArriVent BioPharma, Inc.
AwardDirectStock Option (right to buy)
550K shares- - Jul 30, 2025ALMS
ALUMIS INC.
AwardDirectStock Option (Right to Buy)
49.8K shares- - Feb 3, 2025AVBP
ArriVent BioPharma, Inc.
AwardDirectStock Option (right to buy)
380K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 30, 2026 |  ALMS ALUMIS INC. | Award | 3,553 | - | $0 | Direct |
| Feb 2, 2026 |  AVBP ArriVent BioPharma, Inc. | Award Stock Option (right to buy) | 550,000 | - | - | Direct |
| Jul 30, 2025 | ALMS ALUMIS INC. | Award Stock Option (Right to Buy) | 49,800 | - | - | Direct |
| Feb 3, 2025 | AVBP ArriVent BioPharma, Inc. | Award Stock Option (right to buy) | 380,000 | - | - | Direct |
1-4 of 4 transactions