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/McMahon Robert W.

McMahon Robert W.

Insider

Insider
Total trades
9
Bought (open market)
$0
Sold (open market)
$0
Tickers traded
2

Recent trades

Most recent Form 4 filings by McMahon Robert W..

  • McMahon Robert W.exercised794.469 shares ofWSTAug 11 · filed Aug 12Details
  • McMahon Robert W.tax-withheld345.515 shares ofWSTat $351.37$121KAug 11 · filed Aug 12Details
  • McMahon Robert W.exercised6,354.736 shares ofWSTAug 11 · filed Aug 12Details

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
McMahon Robert W.
tax-withheld
2,763.675 shares of
WST
at $351.37
$971KAug 11 · filed Aug 12Details
  • McMahon Robert W.granted46,106 shares ofOSURat $0Jun 3 · filed Jun 5Details
  • McMahon Robert W.tax-withheld22,888 shares ofOSURat $3.02$69KMay 13 · filed May 14Details
  • McMahon Robert W.granted3,082 shares ofWSTat $0Mar 1 · filed Mar 3Details
  • McMahon Robert W.granted7,337 shares ofWSTat $0Mar 1 · filed Mar 3Details
  • McMahon Robert W.exercised4,231 shares ofWSTFeb 11 · filed Feb 12Details
  • McMahon Robert W.tax-withheld1,250 shares ofWSTat $246.16$308KFeb 11 · filed Feb 12Details
  • McMahon Robert W.granted12,670 shares ofWSTat $0Aug 11, 2025 · filed Aug 12, 2025Details
  • McMahon Robert W.granted3,168 shares ofWSTat $0Aug 11, 2025 · filed Aug 12, 2025Details
  • McMahon Robert W.granted7,647 shares ofWSTat $240.33$1.8MAug 11, 2025 · filed Aug 12, 2025Details
  • McMahon Robert W.granted7,137 shares ofWSTat $240.33$1.7MAug 11, 2025 · filed Aug 12, 2025Details
  • McMahon Robert W.tax-withheld7,317 shares ofOSURat $3.205$23KJul 31, 2025 · filed Aug 4, 2025Details