InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
CFODisclosed buys
0
Disclosed sells
3
T+90 hit rate
70%
T+90 mean return
+12.2%
Across 10 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Chen Yajing, Chief Financial Officer. Insider active across 1 company, notably Zai Lab Ltd. Aggregated, 14 reports have been recorded. Breakdown: 0 buy · 3 sells. Total volume traded: €30k. Activity tracked since 1 April 2024. The latest transaction was filed on 6 April 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations14 total
6,250 sharesAmerican Depositary SharesSEC:0000905148-26-003121:0
2,264 sharesAmerican Depositary SharesSEC:0000905148-26-003121:1
853 shares@ US$20.4480.0007% mcap50.0% of flowAmerican Depositary SharesSEC:0000905148-26-001604:0
853 shares@ US$20.4480.0007% mcap50.0% of flowAmerican Depositary SharesSEC:0000905148-26-001604
2,500 sharesAmerican Depositary SharesSEC:0000905148-25-001114:0
1,500 sharesAmerican Depositary SharesSEC:0000905148-25-001079:0
500 sharesAmerican Depositary SharesSEC:0000905148-24-002935:0
920 sharesAmerican Depositary SharesSEC:0000905148-24-002633:0
1,250 sharesAmerican Depositary SharesSEC:0000905148-24-002275:0
6,250 sharesAmerican Depositary SharesSEC:0000905148-24-001801:0
2,500 shares@ US$15.9040.6% of flowAmerican Depositary SharesSEC:0000905148-24-001110:0
1,500 shares@ US$16.7225.9% of flowAmerican Depositary SharesSEC:0000905148-24-001091:0
500 sharesAmerican Depositary SharesSEC:0000905148-23-001298:0
920 sharesAmerican Depositary SharesSEC:0000905148-23-001084:0
14 of 14 declarations
About Chen Yajing
Yajing Chen serves as the Chief Financial Officer at Zai Lab Ltd. In this role, she oversees the company's financial operations, including accounting, financial planning, and financial reporting. Her expertise in finance and management enables her to contribute to Zai Lab's financial strategy and ensure regulatory compliance. She plays a vital role in managing the company's financial resources.
