ITS
InsiderTrading
TradesInsidersCompaniesCluster BuysRankingsAbout
ITS
InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

  • Trades
  • Insiders
  • Companies
  • Cluster Buys
  • Rankings

Top Insiders

  • Mark Zuckerberg
  • Elon Musk
  • Jamie Dimon
  • Satya Nadella
  • Lisa Su
  • Jensen Huang

Screeners

  • CEO & CFO Purchases
  • Director Purchases
  • Top Buys This Week
  • Top Sales This Week
  • 10b5-1 Trades
  • Buy/Sell Ratios
  • Politician Overlap
  • Sectors

Learn

  • Learn
  • What is a Form 4?
  • About & Methodology
  • What are Cluster Buys?
  • Top Insider Rankings
  • Contact Us
  • Privacy Policy
  • Terms of Use

Data

  • SEC EDGAR Form 4 ↗
  • CongressStock.com ↗
  • Track13F.com ↗
  • About the data
© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.
Home/Insiders/Chen Yajing

Chen Yajing

Officer

Officer
Total trades
21
Bought (open market)
$0
Sold (open market)
$429K
Tickers traded
1

12-month activity

Monthly buy vs sell totals from Chen Yajing's Form 4 filings.

BuysSells
Show data table
MonthBuysSellsFilings
October 2025$0$16K3
November 2025$0$6K1
December 2025$0$00
January 2026$0$00
February 2026$0$00
March 2026$0$32K5
April 2026$0$123K5
May 2026$0$00
June 2026$0$40K2
July 2026$0$00
August 2026$0$22K4
September 2026$0$00

Recent trades

Most recent Form 4 filings by Chen Yajing.

  • Chen Yajingsold260 shares ofZLABat $27$7KAug 19 · filed Aug 21Details
  • Chen Yajingtax-withheld427 shares ofZLABat $25.9$11KAug 14 · filed Aug 18Details
  • Chen Yajingexercised1,250 shares ofZLABAug 14 · filed Aug 18Details

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Chen Yajing
sold
619 shares of
ZLAB
at $25
$15KAug 11 · filed Aug 13Details
  • Chen Yajingsold2,264 shares ofZLABat $17.461$40KJun 26 · filed Jun 29Details
  • Chen Yajingexercised6,250 shares ofZLABJun 25 · filed Jun 29Details
  • Chen Yajingsold853 shares ofZLABat $20.448$17KApr 6 · filed Apr 8Details
  • Chen Yajingsold5,199 shares ofZLABat $20.39$106KApr 2 · filed Apr 3Details
  • Chen Yajingexercised2,500 shares ofZLABApr 2 · filed Apr 3Details
  • Chen Yajingexercised13,758 shares ofZLABApr 1 · filed Apr 3Details
  • Chen Yajingexercised1,500 shares ofZLABApr 1 · filed Apr 3Details
  • Chen Yajingsold1,703 shares ofZLABat $18.628$32KMar 13 · filed Mar 16Details
  • Chen Yajingexercised4,258 shares ofZLABMar 12 · filed Mar 16Details
  • Chen Yajinggranted11,924 shares ofZLABat $0Mar 4 · filed Apr 3Details
  • Chen Yajinggranted27,027 shares ofZLABat $0Mar 4 · filed Mar 16Details
  • Chen Yajinggranted83,160 shares ofZLABat $0Mar 4 · filed Mar 16Details
  • Chen Yajingsold240 shares ofZLABat $26.831$6KNov 3, 2025 · filed Nov 4, 2025Details
  • Chen Yajingexercised500 shares ofZLABOct 31, 2025 · filed Nov 4, 2025Details
  • Chen Yajingsold456 shares ofZLABat $34.247$16KOct 2, 2025 · filed Oct 3, 2025Details
  • Chen Yajingexercised920 shares ofZLABOct 1, 2025 · filed Oct 3, 2025Details
  • View all 21 trades →