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Yao Zhengbin profile photo

Zhengbin Yao

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

Companies & Roles (2)

ALUMIS INC. logo
ALMS

ALUMIS INC.

Director
ArriVent BioPharma, Inc. logo
AVBP

ArriVent BioPharma, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

  • ALUMIS INC. logo
    ALMS

    ALUMIS INC.

    Jun 30, 2026
    Award(A)
    Direct
    3.6K shares-
  • ArriVent BioPharma, Inc. logo
    AVBP

    ArriVent BioPharma, Inc.

    Feb 2, 2026
    Award(A)

    Stock Option (right to buy)

    Direct
    550K shares-
  • ALUMIS INC. logo
    ALMS

    ALUMIS INC.

    Jul 30, 2025
    Award(A)

    Stock Option (Right to Buy)

    Direct
    49.8K shares-
  • ArriVent BioPharma, Inc. logo
    AVBP

    ArriVent BioPharma, Inc.

    Feb 3, 2025
    Award(A)

    Stock Option (right to buy)

    Direct
    380K shares-

1-4 of 4

About Yao Zhengbin

Yao Zhengbin (SEC CIK 0001326228) files insider reports with the SEC as Director of ALUMIS INC. (ALMS) and President and CEO of ArriVent BioPharma, Inc. (AVBP).

Signal8 holds 4 ownership filings by Yao Zhengbin, all Form 4s, filed between Feb 14, 2025 and Jul 2, 2026. Those filings report 4 transactions, from Feb 3, 2025 to Jun 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Yao Zhengbin's filings is in SOUTH SAN FRANCISCO, CA.

Recent filings by Yao Zhengbin

  • Jun 30, 2026: Grant or award of ALMS shares (Form 4, code A).
  • Feb 2, 2026: Grant or award of AVBP derivative securities (Form 4, code A).
  • Jul 30, 2025: Grant or award of ALMS derivative securities (Form 4, code A).
  • Feb 3, 2025: Grant or award of AVBP derivative securities (Form 4, code A).

Other insiders filing for ALUMIS INC. (ALMS)

How to read Form 4 transaction codes