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Yajing Chen is Chief Financial Officer at Zai Lab. OQRO lists 12 transactions filed with the SEC under this name, the latest on Oct 6, 2026, each linked to the official Form 4.
Chief Financial Officer
Disclosures on record
12
Companies involved
1
As of the latest filing on , Yajing Chen reported holding 36,240 shares of Zai Lab (ZLAB), worth about $892K at the last close of $25 (Nov 13, 2026).
| Company | Shares reported | How held | Last close | Value at last close | Reported |
|---|---|---|---|---|---|
| Zai Lab ZLAB | 36,240 | 36K direct | $25 | $892K | Oct 1, 2026 |
Is this Yajing Chen’s net worth? No. A Form 4 reports the shares an insider owns in one company after each transaction, directly or through trusts and entities. It says nothing about cash, other investments, property or debt, options not yet exercised are not counted here, and a holding reported some time ago may have changed without a new filing. The value is shares times the last stored close, not a price anyone received. Sources: the filings listed below, each linked to EDGAR. Compare with the biggest insider stakes.
Zai LabZLAB
12 disclosures · Oct 2024 – Oct 2026 · 9 sold
Oct 1, 2026920disclosed Oct 6
DetailsOfficial recordOct 1, 2026920disclosed Oct 6
DetailsOfficial recordOct 1, 2026315disclosed Oct 6
DetailsOfficial recordAug 15, 2025Sold~$29Kdisclosed Aug 18
DetailsOfficial recordAug 15, 2025Sold~$22Kdisclosed Aug 18
DetailsOfficial recordAug 8, 2025Sold~$139Kdisclosed Aug 12
DetailsOfficial recordJun 26, 2025Sold~$97Kdisclosed Jun 27
DetailsOfficial recordJun 2, 2025Sold~$289Kdisclosed Jun 4
DetailsOfficial recordApr 4, 2025Sold~$31Kdisclosed Apr 7
DetailsOfficial recordApr 2, 2025Sold~$190Kdisclosed Apr 3
DetailsOfficial recordNov 4, 2024Sold~$5.1Kdisclosed Nov 5
DetailsOfficial recordOct 2, 2024Sold~$7.6Kdisclosed Oct 3
DetailsOfficial recordYajing Chen has no open-market purchase on record since 2023. Sales in each of the last 3 years.
Yajing Chen reported 0 open-market purchases and 14 sales since 2023; no open-market purchase.
| Year | Bought | Sold |
|---|---|---|
| 2025 | — | $796K7×7 trades |
| 2024 | — | $80K6×6 trades |
| 2023 | — | $4.2K1×1 trade |
Open-market purchases (code P) and sales (code S) on Forms 4 and 5. Up to Sep 2024 from the SEC's Insider Transactions Data Sets; since Oct 2024 from each filing as it is published. A trade filed twice (an amendment) counts once. Dollar totals use the price the filer reported; lines with no price count as trades without a value.
On the latest SEC Form 4, dated Oct 1, 2026, Yajing Chen reported holding 36,240 shares of Zai Lab (ZLAB). At the last close of $25 on Nov 13, 2026, that is about $892K. This is the stake disclosed in filings, not a net worth.
Yajing Chen has no open-market purchase on record since 2023. Sales in each of the last 3 years.
In SEC filings since 2023: no open-market purchase is on record; the latest open-market sale is from 2025.
Zai Lab (ZLAB), from 2023 to 2025: 0 purchases and 14 sales.
Yajing Chen reported 0 open-market purchases and 14 sales here, 2023 to 2025.
Closing prices and the companies' last annual figures; a − or + is a fact of the close, not a forecast.
