Wang Yizhe 4

4 · Zai Lab Ltd · Filed Jun 8, 2026

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Updated Jun 8, 2026

Zai Lab (ZLAB) Operating Partner Wang Yizhe Receives Awards

What Happened

Wang Yizhe, an Operating Partner at Zai Lab (ZLAB), received two equity awards on 2026-05-11: a grant covering 136,819 ADS-equivalent derivative awards and a grant of 59,288 Restricted Share Units (RSUs). Both awards were reported at $0.00 (no cash paid at grant) and are derivative awards that vest over time.

Key Details

Transaction date: 2026-05-11; Form 4 filed: 2026-06-08 (filed late relative to the transaction date).
Awards: 136,819 (derivative award; per filing subject to vesting) and 59,288 RSUs — total = 196,107 ADS-equivalents.
Vesting: Both awards vest in equal annual installments over four years beginning 05/11/2027, subject to continuous service (footnotes F2 and F4).
RSU delivery: Each RSU represents a contingent right to receive one ADS; vested RSUs will be delivered as ADSs (F3, F4).
ADS conversion: Each ADS represents ten ordinary shares; ADSs and ordinary shares are fully fungible (F1).
Shares owned after the transaction: Not specified in the filing.
Filing timeliness: The Form 4 was filed almost a month after the grant date (late filing).

Context

These are forward-looking compensation awards (an option-type derivative and RSUs) that vest over future service periods; they do not represent immediate open‑market purchases or sales. Such grants are routine forms of equity compensation and do not by themselves indicate near-term buying or selling.

Form 4

Period: 2026-05-11

Operating Partner

Transactions

Award
Stock Option (Right to Buy)
[F2][F1]
2026-05-11+136,819→ 136,819 total
Exercise: $20.32Exp: 2036-05-11→ American Depositary Shares (136,819 underlying)
Award
Restricted Share Units
[F3][F4][F1]
2026-05-11+59,288→ 59,288 total
→ American Depositary Shares (59,288 underlying)

Footnotes (4)

[F1]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.
[F2]The option vests in equal annual installments over four years beginning on 05/11/2027, the first anniversary of the date of grant, subject to continuous service.
[F3]Each Restricted Share Unit ("RSU") represents a contingent right to receive one ADS.
[F4]The RSUs vest in equal annual installments over four years beginning on 05/11/2027, 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.

Signature

/s/ Bruce Blefeld, Attorney-in-Fact|2026-06-08

1 file