Chen Yajing — SEC Form 4 filings
SEC reporting owner CIK 1985694. 22 Form 4 filings on record with FilingPulse; latest filed 2026-08-21.
Transaction summary — filings shown
Covers all 22 filings on record, filed 2024-04-03 to 2026-08-21. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 21 legs across 20 filings — 40,033 shares, $1,114,527 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 46.
- Largest priced transaction: sale of 9,618 shares @ $30.00 ($288,540) in Zai Lab Ltd, filed 2025-06-04.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Zai Lab Ltd (ZLAB) | Chief Financial Officer | 22 | — | 21 legs · 40,033 sh · $1,114,527 | 46 |
Form 4 filings — Chen Yajing
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-21 | 4 | Zai Lab Ltd (ZLAB) | Sale (S): 260 @ $27 | EDGAR |
| 2026-08-18 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,250 · Tax withholding (F): 427 @ $25.90 · Option exercise (M): 1,250 (derivative) @ $0 | EDGAR |
| 2026-08-13 | 4 | Zai Lab Ltd (ZLAB) | Sale (S): 619 @ $25 | EDGAR |
| 2026-06-29 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 6,250 · Sale (S): 2,264 @ $17.46 · Option exercise (M): 6,250 (derivative) @ $0 | EDGAR |
| 2026-04-08 | 4 | Zai Lab Ltd (ZLAB) | Sale (S): 853 @ $20.45 | EDGAR |
| 2026-04-03 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,500 · Option exercise (M): 13,758 · Option exercise (M): 2,500 · Sale (S): 5,199 @ $20.39 · Grant/award (A): 11,924 (derivative) @ $0 · Option exercise (M): 1,500 (derivative) @ $0 · +2 more | EDGAR |
| 2026-03-16 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 4,258 · Sale (S): 1,703 @ $18.63 · Grant/award (A): 83,160 (derivative) @ $0 · Grant/award (A): 27,027 (derivative) @ $0 · Option exercise (M): 4,258 (derivative) @ $0 | EDGAR |
| 2025-11-04 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 500 · Sale (S): 240 @ $26.83 · Option exercise (M): 500 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 920 · Sale (S): 456 @ $34.25 · Option exercise (M): 920 (derivative) @ $0 | EDGAR |
| 2025-08-18 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,250 · Sale (S): 610 @ $35.27 · Sale (S): 828 @ $35.53 · Option exercise (M): 1,250 (derivative) @ $0 | EDGAR |
| 2025-08-12 | 4 | Zai Lab Ltd (ZLAB) | Sale (S): 4,096 @ $34.01 | EDGAR |
| 2025-06-27 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 6,250 · Sale (S): 2,675 @ $36.13 · Option exercise (M): 6,250 (derivative) @ $0 | EDGAR |
| 2025-06-04 | 4 | Zai Lab Ltd (ZLAB) | Sale (S): 9,618 @ $30 | EDGAR |
| 2025-04-07 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 2,500 · Sale (S): 924 @ $33.11 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2025-04-03 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,500 · Option exercise (M): 13,757 · Sale (S): 5,280 @ $35.89 · Option exercise (M): 1,500 (derivative) @ $0 · Option exercise (M): 13,757 (derivative) @ $0 | EDGAR |
| 2025-03-14 | 4 | Zai Lab Ltd (ZLAB) | Grant/award (A): 52,418 (derivative) @ $0 · Grant/award (A): 17,035 (derivative) @ $0 | EDGAR |
| 2024-11-05 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 500 · Sale (S): 167 @ $30.66 · Option exercise (M): 500 (derivative) @ $0 | EDGAR |
| 2024-10-03 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 920 · Sale (S): 301 @ $25.40 · Option exercise (M): 920 (derivative) @ $0 | EDGAR |
| 2024-08-16 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,250 · Sale (S): 422 @ $16.06 · Option exercise (M): 1,250 (derivative) @ $0 | EDGAR |
| 2024-06-27 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 6,250 · Sale (S): 2,154 @ $17.90 · Option exercise (M): 6,250 (derivative) @ $0 | EDGAR |
| 2024-04-05 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 2,500 @ $15.90 · Sale (S): 845 @ $15.67 · Option exercise (M): 2,500 (derivative) @ $0 | EDGAR |
| 2024-04-03 | 4 | Zai Lab Ltd (ZLAB) | Option exercise (M): 1,500 @ $16.72 · Sale (S): 519 @ $16.15 · Grant/award (A): 84,663 (derivative) @ $0 · Grant/award (A): 55,031 (derivative) @ $0 · Option exercise (M): 1,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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