Zai Lab (ZLAB) CEO Du Ying gains ADSs from RSU awards and tax withholding
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Zai Lab Ltd director and CEO Du Ying reported compensation-related equity activity involving American Depositary Shares (ADSs) and Restricted Share Units (RSUs). On July 1–2, 2026, Ying exercised RSUs to acquire a total of 29,048 ADSs, with no open-market purchases or sales.
To cover tax obligations upon RSU vesting, 11,431 ADSs were withheld, a non-market disposition method. Ying also received a new grant of 80,393 RSUs, each representing a contingent right to one ADS, vesting annually over four years subject to continuous service.
Following these transactions, Ying directly held 1,221,401 ADSs. RSUs continue to vest in equal annual installments, and vested shares will be delivered in ADS form to Ying after each vesting date.
Positive
- None.
Negative
- None.
Insider Trade Summary
29,048 shares exercised/converted
Mixed
7 txns
Insider
Du Ying
Role
Chairperson & CEO
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Share Units | 11,048 | $0.00 | -- |
| Grant/Award | Restricted Share Units | 80,393 | $0.00 | -- |
| Exercise | American Depositary Shares | 11,048 | $0.00 | -- |
| Tax Withholding | American Depositary Shares | 4,348 | $19.12 | $83K |
| Exercise | Restricted Share Units | 18,000 | $0.00 | -- |
| Exercise | American Depositary Shares | 18,000 | $0.00 | -- |
| Tax Withholding | American Depositary Shares | 7,083 | $19.15 | $136K |
Holdings After Transaction:
Restricted Share Units — 33,146 shares (Direct, null);
American Depositary Shares — 1,225,749 shares (Direct, null)
Footnotes (1)
- Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs. ADSs acquired upon vesting of Restricted Share Units ("RSUs"). Each RSU represents a contingent right to receive one ADS. These ADSs were withheld to cover taxes upon vesting of RSUs. The RSUs vest in equal annual installments over four years beginning on 07/01/2025, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting. The RSUs vest in equal annual installments over four years beginning on 07/02/2026, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting. The RSUs vest in equal annual installments over four years beginning on 07/02/2027, the first anniversary of the date of grant, subject to continuous service. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.
Key Figures
ADSs acquired via RSU exercises: 29,048 ADSs
ADSs withheld for taxes: 11,431 ADSs
New RSU grant: 80,393 RSUs
+2 more
5 metrics
ADSs acquired via RSU exercises
29,048 ADSs
RSU-related exercises on July 1–2, 2026
ADSs withheld for taxes
11,431 ADSs
Withheld to cover tax obligations on RSU vesting
New RSU grant
80,393 RSUs
Grant reported as a compensation award
RSUs remaining after exercises
33,146 RSUs
Derivative RSU position following 11,048-unit conversion
ADS holdings after transactions
1,221,401 ADSs
Direct holdings following July 2, 2026 activity
Key Terms
American Depositary Shares, Restricted Share Units, tax-withholding disposition, derivative security, +1 more
5 terms
tax-withholding disposition financial
"Payment of exercise price or tax liability by delivering securities"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative security financial
"Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
vest in equal annual installments financial
"The RSUs vest in equal annual installments over four years beginning on 07/01/2025"
FAQ
What did Zai Lab (ZLAB) CEO Du Ying report in this Form 4?
Du Ying reported RSU-related equity activity, including exercises and tax withholding. She acquired 29,048 ADSs through RSU vesting and exercises, with 11,431 ADSs withheld to cover taxes. No open-market share purchases or sales were disclosed.
How many Zai Lab (ZLAB) ADSs does Du Ying hold after these transactions?
After these transactions, Du Ying held 1,221,401 American Depositary Shares. This figure reflects the net effect of RSU exercises that increased her holdings and ADSs withheld to satisfy tax obligations tied to the RSU vesting events.
Were any of Du Ying’s Zai Lab (ZLAB) transactions open-market buys or sells?
No open-market buys or sells were reported. The filing shows RSU exercises coded as “M” and tax-withholding dispositions coded as “F,” meaning shares were delivered or withheld mechanically, rather than traded in the open market.
What new RSU award did Du Ying receive from Zai Lab (ZLAB)?
Du Ying received a grant of 80,393 Restricted Share Units. Each RSU represents a contingent right to one ADS and vests in equal annual installments over four years, subject to her continued service with the company.
How do Du Ying’s RSUs in Zai Lab (ZLAB) vest over time?
The RSUs vest in equal annual installments over four years starting on specific anniversaries of the grant dates. After each vesting date, vested RSUs are settled in ADSs and delivered to Du Ying, assuming her continuous service with Zai Lab.