---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-027767"
form_type: "8-K"
ticker: "ZLAB"
cik: "0001704292"
company_name: "Zai Lab Ltd"
filed_at: "2023-08-07T23:59:59+00:00"
generated_at: "2026-06-12T04:30:27.368886+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Zai Lab Q2 product rev $68.9M (+45% YoY); VYVGART approved in China; net loss $120.9M

## Summary
- Product revenue $68.9M, up 45% YoY (53% constant currency); driven by ZEJULA $43.0M, Optune $13.7M.
- Net loss $120.9M ($0.13 loss per ADS) vs $137.9M loss a year ago; R&D spend $76.7M, SG&A $67.9M.
- Cash $876.4M as of June 30, 2023; down from $931.4M at March 31, 2023.
- NMPA approved VYVGART (efgartigimod) for gMG; launch preparation underway; NRDL listing eligible for 2024.
- Promoted Yajing Chen to CFO effective July 7, 2023; targeting corporate profitability by end of 2025.

## SEC filing metadata
- accession: 0001628280-23-027767
- form_type: 8-K
- ticker: ZLAB
- cik: 0001704292
- company_name: Zai Lab Ltd
- filed_at: 2023-08-07T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1704292/000162828023027767/0001628280-23-027767-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1704292/000162828023027767/zlab-20230807.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-027767
- JSON: https://secwatch.observer/filing/0001628280-23-027767.json
- Plain text: https://secwatch.observer/filing/0001628280-23-027767.txt

## Key facts
- Earnings Releases
  Zai Lab Ltd reported the second quarter of 2023 results: revenue $68.9 million.
  - Period: the second quarter of 2023
  - Revenue: $68.9 million
  - Result: reported results
  source text: Total product revenue of $68.9 million for the second quarter of 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1704292/000162828023027767/0001628280-23-027767-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.