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/Companies/Definium Therapeutics, Inc.

Definium Therapeutics, Inc.

50 insider trades tracked

DFTX
Insider trades
50
Bought (open market)
$0
Sold (open market)
$6.4M
Unique insiders
11

12-month activity

Monthly insider buy vs sell totals for Definium Therapeutics, Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
November 2025$0$00
December 2025$0$00
January 2026$0$01
February 2026$0$05
March 2026$0$797K3
April 2026$0$00
May 2026$0$00
June 2026$0$2.6M22
July 2026$0$00
August 2026$0$05
September 2026$0$3M14
October 2026$0$00

Recent insider trades

Most recent Form 4 filings for Definium Therapeutics, Inc..

  • Barrow Robertsold31,550 shares ofDFTXat $36.57$1.2MSep 25 · filed Sep 29Details
  • Roberts Brandisold3,377 shares ofDFTXat $36.57$123KSep 25 · filed Sep 29Details
  • Wiley Matthew T.sold3,097 shares ofDFTXat $36.57$113KSep 25 · filed

Insiders at this company

Executives and directors who have filed Form 4s.

  • Barrow Robert9 trades
  • Sullivan Mark7 trades
  • Karlin Daniel7 trades
  • Roberts Brandi6 trades
  • Wiley Matthew T.6 trades
  • Adsett Roger3 trades
  • Vallone Carol A3 trades
  • Krebs Andreas3 trades

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
Sep 29
Details
  • Karlin Danielsold10,853 shares ofDFTXat $36.57$397KSep 25 · filed Sep 29Details
  • Sullivan Marksold14,051 shares ofDFTXat $36.57$514KSep 25 · filed Sep 29Details
  • Vallone Carol Aexercised1,086 shares ofDFTXat $35.52$39KSep 18Details
  • Krebs Andreasexercised1,629 shares ofDFTXat $35.52$58KSep 18Details
  • Roberts Brandigranted125,000 shares ofDFTXat $0Sep 14Details
  • Wiley Matthew T.granted125,000 shares ofDFTXat $0Sep 14Details
  • Barrow Robertgranted750,000 shares ofDFTXat $0Sep 14Details
  • Karlin Danielgranted200,000 shares ofDFTXat $0Sep 14Details
  • Sullivan Markgranted125,000 shares ofDFTXat $0Sep 14Details
  • Barrow Robertsold19,023 shares ofDFTXat $37.94$722KSep 3 · filed Sep 4Details
  • Barrow Robertgranted40,000 shares ofDFTXat $0Sep 2 · filed Sep 4Details
  • Wiley Matthew T.granted62,500 shares ofDFTXat $0Aug 12Details
  • Sullivan Markgranted62,500 shares ofDFTXat $0Aug 12Details
  • Roberts Brandigranted62,500 shares ofDFTXat $0Aug 12Details
  • Karlin Danielgranted100,000 shares ofDFTXat $0Aug 12Details
  • Barrow Robertgranted375,000 shares ofDFTXat $0Aug 12Details
  • Karlin Danielsold10,035 shares ofDFTXat $45.03$452KJun 25 · filed Jun 26Details
  • Barrow Robertsold29,208 shares ofDFTXat $45.03$1.3MJun 25 · filed Jun 26Details
  • Wiley Matthew T.sold2,867 shares ofDFTXat $45.03$129KJun 25 · filed Jun 26Details
  • Roberts Brandisold3,013 shares ofDFTXat $45.03$136KJun 25 · filed Jun 26Details
  • Sullivan Marksold13,008 shares ofDFTXat $45.03$586KJun 25 · filed Jun 26Details
  • Barrow Robertgranted375,000 shares ofDFTXat $0Jun 22Details
  • Karlin Danielgranted100,000 shares ofDFTXat $0Jun 22Details
  • Wiley Matthew T.granted62,500 shares ofDFTXat $0Jun 22Details
  • Roberts Brandigranted62,500 shares ofDFTXat $0Jun 22Details
  • Sullivan Markgranted62,500 shares ofDFTXat $0Jun 22Details
  • Adsett Rogergranted14,620 shares ofDFTXat $0Jun 11 · filed Jun 15Details
  • View all trades for DFTX →
    GRYSKA DAVID W
    2 trades
  • Bruhn Suzanne Louise2 trades
  • CRYSTAL ROGER2 trades