Chen Yajing 4

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.