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/Dorfman Mark

Dorfman Mark

Insider

Insider
Total trades
18
Bought (open market)
$0
Sold (open market)
$2.1M
Tickers traded
1

12-month activity

Monthly buy vs sell totals from Dorfman Mark's Form 4 filings.

BuysSells
Show data table
MonthBuysSellsFilings
October 2025$0$00
November 2025$0$00
December 2025$0$130K1
January 2026$0$284K1
February 2026$0$00
March 2026$0$453K1
April 2026$0$211K12
May 2026$0$00
June 2026$0$253K1
July 2026$0$00
August 2026$0$00
September 2026$0$277K1

Recent trades

Most recent Form 4 filings by Dorfman Mark.

  • Dorfman Marksold7,471 shares ofDRSat $37.01$277KSep 4 · filed Sep 8Details
  • Dorfman Marksold5,536 shares ofDRSat $45.75$253KJun 4 · filed Jun 5Details
  • Dorfman Markgranted7,359 shares ofDRSat $0Apr 9Details

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
Dorfman Mark
sold
4,659 shares of
DRS
at $45.38
$211KApr 2 · filed Apr 3Details
  • Dorfman Markexercised7,252 shares ofDRSat $0Apr 1 · filed Apr 3Details
  • Dorfman Marktax-withheld1,692 shares ofDRSat $45.86$78KApr 1 · filed Apr 3Details
  • Dorfman Markexercised3,448 shares ofDRSat $0Apr 1 · filed Apr 3Details
  • Dorfman Marktax-withheld2,340 shares ofDRSat $45.86$107KApr 1 · filed Apr 3Details
  • Dorfman Markexercised4,770 shares ofDRSat $0Apr 1 · filed Apr 3Details
  • Dorfman Marktax-withheld3,558 shares ofDRSat $45.86$163KApr 1 · filed Apr 3Details
  • Dorfman Marktax-withheld7,684 shares ofDRSat $45.86$352KApr 1 · filed Apr 3Details
  • Dorfman Markgranted15,664 shares ofDRSat $0Apr 1 · filed Apr 3Details
  • Dorfman Marktax-withheld9,956 shares ofDRSat $45.86$457KApr 1 · filed Apr 3Details
  • Dorfman Markgranted23,367 shares ofDRSat $0Apr 1 · filed Apr 3Details
  • Dorfman Marksold10,014 shares ofDRSat $45.27$453KMar 16 · filed Mar 17Details
  • Dorfman Marksold7,680 shares ofDRSat $37$284KJan 5 · filed Jan 7Details
  • Dorfman Marksold3,840 shares ofDRSat $33.74$130KDec 1, 2025 · filed Dec 2, 2025Details
  • Dorfman Marksold4,267 shares ofDRSat $41.65$178KSep 12, 2025 · filed Sep 15, 2025Details
  • Dorfman Marksold8,534 shares ofDRSat $41.65$355KSep 12, 2025 · filed Sep 15, 2025Details