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/Kooyman John W

Kooyman John W

Insider

Insider
Total trades
5
Bought (open market)
$0
Sold (open market)
$1.8M
Tickers traded
1

Recent trades

Most recent Form 4 filings by Kooyman John W.

  • Kooyman John Wtax-withheld716 shares ofCLat $83.48$60KFeb 18, 2024 · filed Feb 20, 2024Details
  • Kooyman John Wgranted3,267 shares ofCLat $0Feb 15, 2024 · filed Feb 20, 2024Details
  • Kooyman John Wtax-withheld1,178 shares ofCLat $83.57$98KFeb 15, 2024 · filed Feb 20, 2024Details

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
  • Kooyman John Wexercised21,023 shares ofCLat $68.16$1.4MFeb 9, 2024 · filed Feb 13, 2024Details
  • Kooyman John Wsold21,023 shares ofCLat $83.597$1.8MFeb 9, 2024 · filed Feb 13, 2024Details