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Du Ying's Form 4 filing

Zai Lab Ltd (ZLAB) · filed Apr 3, 2026

Accession no.
0000905148-26-001544
Filed
Apr 3, 2026
Trade date
Mar 4-Apr 2, 2026
Filing delay
30 daysLate
Rule 10b5-1 plan
Not checked

This filing lists 4 non-derivative transactions and 4 derivative transactions. Open-market sales total $113.7K. It was filed 30 days after the trade, past the 2-business-day deadline.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Du YingCIK 0001731790Director, Officer (Chairperson & CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Apr 1, 2026American Depositary SharesMOption exerciseAcquired+10,800––1,120,705Direct
Apr 1, 2026American Depositary SharesMOption exerciseAcquired+3,400––1,124,105Direct
Apr 2, 2026American Depositary SharesMOption exerciseAcquired+6,750––1,130,855Direct
Apr 2, 2026American Depositary SharesSSaleDisposed−5,576$20.39−$113,694.641,125,279Direct

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Mar 4, 2026American Depositary SharesAGrant or awardAcquired+25,579$0.00$025,579Direct
Apr 1, 2026American Depositary SharesMOption exerciseDisposed−10,800$0.00$010,800Direct
Apr 1, 2026American Depositary SharesMOption exerciseDisposed−3,400$0.00$00Direct
Apr 2, 2026American Depositary SharesMOption exerciseDisposed−6,750$0.00$013,500Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)