Yajing Chen
CIK: 0001985694
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Zai Lab Ltd
Discretionary Trading P&L
Holdings
Transaction History (40 total)
- Oct 1, 2026ZLAB
Zai Lab Ltd
Tax Payment(F)Direct315 shares at avg. $25.50$8K - Oct 1, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct920 shares- - Aug 19, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct260 shares at avg. $27.00$7K - Aug 14, 2026ZLAB
Zai Lab Ltd
Tax Payment(F)Direct427 shares at avg. $25.90$11K - Aug 14, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct1.3K shares- - Aug 11, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct619 shares at avg. $25.00$15K - Jun 26, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct2.3K shares at avg. $17.46$40K - Jun 25, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct6.3K shares- - Apr 6, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct853 shares at avg. $20.45$17K - Apr 2, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct2.5K shares- - Apr 2, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct5.2K shares at avg. $20.39$106K - Apr 1, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct1.5K shares- - Apr 1, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct13.8K shares- - Mar 13, 2026ZLAB
Zai Lab Ltd
Sale(S)Direct1.7K shares at avg. $18.63$32K - Mar 12, 2026ZLAB
Zai Lab Ltd
Exercise(M)Direct4.3K shares- - Mar 4, 2026ZLAB
Zai Lab Ltd
Award(A)DirectPerformance-Based Share Units
11.9K shares- - Mar 4, 2026ZLAB
Zai Lab Ltd
Award(A)DirectStock Options (Right to Buy)
83.2K shares- - Mar 4, 2026ZLAB
Zai Lab Ltd
Award(A)DirectRestricted Share Units
27K shares- - Nov 3, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct240 shares at avg. $26.83$6K - Oct 31, 2025ZLAB
Zai Lab Ltd
Exercise(M)Direct500 shares- - Oct 2, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct456 shares at avg. $34.25$16K - Oct 1, 2025ZLAB
Zai Lab Ltd
Exercise(M)Direct920 shares- - Aug 15, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct828 shares at avg. $35.53$29K - Aug 15, 2025ZLAB
Zai Lab Ltd
Sale(S)Direct610 shares at avg. $35.27$22K - Aug 14, 2025ZLAB
Zai Lab Ltd
Exercise(M)Direct1.3K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 | ZLAB Zai Lab Ltd | Tax Payment(F) | 315 | $25.50 | $8,033 | Direct |
| Oct 1, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 920 | - | $0 | Direct |
| Aug 19, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 260 | $27.00 | $7,020 | Direct |
| Aug 14, 2026 | ZLAB Zai Lab Ltd | Tax Payment(F) | 427 | $25.90 | $11,059 | Direct |
| Aug 14, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 1,250 | - | $0 | Direct |
| Aug 11, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 619 | $25.00 | $15,475 | Direct |
| Jun 26, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 2,264 | $17.46 | $39,532 | Direct |
| Jun 25, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 6,250 | - | $0 | Direct |
| Apr 6, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 853 | $20.45 | $17,442 | Direct |
| Apr 2, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 2,500 | - | $0 | Direct |
| Apr 2, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 5,199 | $20.39 | $106,008 | Direct |
| Apr 1, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 1,500 | - | $0 | Direct |
| Apr 1, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 13,758 | - | $0 | Direct |
| Mar 13, 2026 | ZLAB Zai Lab Ltd | Sale(S) | 1,703 | $18.63 | $31,723 | Direct |
| Mar 12, 2026 | ZLAB Zai Lab Ltd | Exercise(M) | 4,258 | - | $0 | Direct |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | Award(A) Performance-Based Share Units | 11,924 | - | - | Direct |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | Award(A) Stock Options (Right to Buy) | 83,160 | - | - | Direct |
| Mar 4, 2026 | ZLAB Zai Lab Ltd | Award(A) Restricted Share Units | 27,027 | - | - | Direct |
| Nov 3, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 240 | $26.83 | $6,439 | Direct |
| Oct 31, 2025 | ZLAB Zai Lab Ltd | Exercise(M) | 500 | - | - | Direct |
| Oct 2, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 456 | $34.25 | $15,617 | Direct |
| Oct 1, 2025 | ZLAB Zai Lab Ltd | Exercise(M) | 920 | - | - | Direct |
| Aug 15, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 828 | $35.53 | $29,419 | Direct |
| Aug 15, 2025 | ZLAB Zai Lab Ltd | Sale(S) | 610 | $35.27 | $21,513 | Direct |
| Aug 14, 2025 | ZLAB Zai Lab Ltd | Exercise(M) | 1,250 | - | - | Direct |
1-25 of 40 transactions
About Chen Yajing
Chen Yajing (SEC CIK 0001985694) files insider reports with the SEC as Chief Financial Officer of Zai Lab Ltd (ZLAB).
Signal8 holds 19 ownership filings by Chen Yajing, all Form 4s, filed between Oct 3, 2024 and Oct 5, 2026. Those filings report 40 transactions, from Oct 1, 2024 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Chen Yajing's filings is in CAMBRIDGE, MA.
Recent filings by Chen Yajing
- Oct 1, 2026: Tax withholding of ZLAB shares (Form 4, code F).
- Oct 1, 2026: Option exercise of ZLAB shares (Form 4, code M).
- Aug 19, 2026: Open-market sale of ZLAB shares (Form 4, code S).
- Aug 14, 2026: Tax withholding of ZLAB shares (Form 4, code F).
- Aug 14, 2026: Option exercise of ZLAB shares (Form 4, code M).
Other insiders filing for Zai Lab Ltd (ZLAB)
- Lis William, Director
- GAYNOR RICHARD, Director
- Du Ying, Chairperson & CEO
- Edmondson Frazor Titus III, Chief Legal Officer
- Morrison Scott W, Director
- Vounatsos Michel, Director