Chen Yajing 4
4 · Zai Lab Ltd · Filed Jun 29, 2026
Research Summary
AI-generated summary of this filing
Zai Lab (ZLAB) CFO Chen Yajing Receives RSUs, Sells 2,264 ADSs
What Happened
Chen Yajing, Chief Financial Officer of Zai Lab (NASDAQ: ZLAB), had 6,250 Restricted Share Units (RSUs) vest on 2026-06-25 and they converted into 6,250 American Depositary Shares (ADSs). Following vesting, 2,264 ADSs were sold in an open-market transaction on 2026-06-26 at $17.46 each, generating $39,532 in proceeds. The vesting/conversion is recorded as an exercise/conversion of a derivative (Form 4 code M).
Key Details
- Transaction dates: RSU vesting/conversion 2026-06-25; open-market sale 2026-06-26; Form 4 filed 2026-06-29 (timely).
- Sale price/value: 2,264 ADSs sold @ $17.46 = $39,532.
- Vesting amount: 6,250 RSUs converted into 6,250 ADSs.
- Shares owned after transaction: Not specified in the filing.
- Notable footnotes:
- Each ADS represents 10 ordinary shares (reported in ADSs).
- ADSs resulted from RSU vesting; RSUs vest in equal annual installments over four years starting 06/25/2023.
- Some ADSs were sold automatically to cover taxes upon vesting (tax withholding/cover sale).
Context
This was a routine compensation event: RSUs vested and were converted to ADSs, with a portion sold/withheld to cover tax obligations. Such sales are common following vesting and do not necessarily indicate a change in insider sentiment. The filing appears to have been submitted within the required reporting window.
Insider Transaction Report
- Exercise/Conversion
American Depositary Shares
[F1][F2][F3]2026-06-25+6,250→ 37,955 total - Sale
American Depositary Shares
[F1][F4]2026-06-26$17.46/sh−2,264$39,532→ 35,691 total - Exercise/Conversion
Restricted Share Units
[F3][F5][F1]2026-06-25−6,250→ 0 total→ American Depositary Shares (6,250 underlying)
Footnotes (5)
- [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]ADSs acquired upon vesting of Restricted Share Units ("RSUs").
- [F3]Each RSU represents a contingent right to receive one ADS.
- [F4]These ADSs were sold automatically to cover taxes upon vesting of RSUs.
- [F5]The RSUs vested in equal annual installments over four years beginning on 06/25/2023, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.