Zai Lab (ZLAB) CFO Chen Yajing Sells 619 ADS

What Happened Chen Yajing, Chief Financial Officer of Zai Lab Ltd (ZLAB), sold 619 American Depositary Shares (ADS) on August 11, 2026 at $25.00 per ADS, generating proceeds of $15,475. Each ADS represents ten ordinary shares, so this sale equals 6,190 underlying ordinary shares. The Form 4 reports the disposition as an open-market or private sale.

Key Details

• Transaction date and price: August 11, 2026 — 619 ADS sold at $25.00 each.
• Total proceeds: $15,475.
• ADS conversion: 1 ADS = 10 ordinary shares (sale equals 6,190 ordinary shares).
• Plan/footnote: Sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2025.
• Filing timeliness: Form 4 filed August 13, 2026 — within the standard two-business-day filing window for Form 4s.
• Shares owned after transaction: Not specified in the summary provided; see the full Form 4 for post-transaction beneficial ownership.

Context This was a sale executed under a pre-established 10b5-1 plan, which typically means the trades were prearranged and may reduce the extent to which the transaction signals the insider’s current view of the company. Sales are often routine for insiders; purchases tend to be viewed as stronger signals of confidence. For complete details, consult the full SEC Form 4 (Accession No. 0000905148-26-003619).