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DFTX Insider Trading

Insider Ownership Percentage: 2.40%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $3,886,057.38

Definium Therapeutics Insider Trading History Chart

This chart shows the insider buying and selling history at Definium Therapeutics by year and by quarter.

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Definium Therapeutics Share Price & Price History

Current Price: $37.65
Price Change: ▼ Price Decrease of -2.67 (-6.62%)
As of 09/23/2026 04:00 PM ET

This chart shows the closing price history over time for DFTX up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Definium Therapeutics Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/3/2026Robert BarrowCEOSell19,023$37.94$721,732.621,494,640View SEC Filing Icon  
6/25/2026Brandi RobertsCFOSell3,013$45.03$135,675.39209,487View SEC Filing Icon  
6/25/2026Mark SullivanInsiderSell13,008$45.03$585,750.24320,571View SEC Filing Icon  
6/25/2026Matthew T WileyInsiderSell2,867$45.03$129,101.01174,633View SEC Filing Icon  
6/25/2026Robert BarrowCEOSell29,208$45.03$1,315,236.241,098,246View SEC Filing Icon  
12/26/2025Daniel KarlinInsiderSell5,600$13.15$73,640.00425,025View SEC Filing Icon  
12/26/2025Mark SullivanInsiderSell11,276$13.15$148,279.40282,576View SEC Filing Icon  
12/26/2025Robert BarrowCEOSell25,791$13.15$339,151.65778,477View SEC Filing Icon  
9/25/2025Daniel KarlinInsiderSell7,704$9.77$75,268.08430,625View SEC Filing Icon  
9/25/2025Mark SullivanInsiderSell11,278$9.77$110,186.06293,852View SEC Filing Icon  
9/25/2025Robert BarrowCEOSell25,797$9.77$252,036.69804,268View SEC Filing Icon  
6/25/2025Daniel KarlinInsiderSell7,848$6.80$53,366.40438,329View SEC Filing Icon  
6/25/2025Mark SullivanInsiderSell11,491$6.80$78,138.80305,130View SEC Filing Icon  
6/25/2025Robert BarrowCEOSell26,491$6.80$180,138.80830,065View SEC Filing Icon  
3/25/2025Carrie LiaoCAOSell2,347$6.74$15,818.78144,923View SEC Filing Icon  
3/25/2025Daniel KarlinInsiderSell6,836$6.74$46,074.64446,177View SEC Filing Icon  
3/25/2025Robert BarrowCEOSell21,208$6.74$142,941.92856,556View SEC Filing Icon  
12/26/2024Carrie LiaoCAOSell2,273$7.43$16,888.3997,270View SEC Filing Icon  
12/26/2024Dan KarlinInsiderSell6,643$7.43$49,357.49338,013View SEC Filing Icon  
12/26/2024Robert BarrowCEOSell19,106$7.43$141,957.58526,666View SEC Filing Icon  
9/25/2024Carrie LiaoCAOSell2,352$5.98$14,064.9699,543View SEC Filing Icon  
9/25/2024Dan KarlinInsiderSell6,871$5.98$41,088.58344,656View SEC Filing Icon  
9/25/2024Robert BarrowCEOSell19,771$5.98$118,230.58545,772View SEC Filing Icon  
8/23/2024David W. GryskaDirectorBuy3,500$5.98$20,930.0017,351View SEC Filing Icon  
8/19/2024Robert BarrowCEOBuy500$6.31$3,155.00565,043View SEC Filing Icon  
6/25/2024Dan KarlinInsiderSell6,925$7.22$49,998.50351,527View SEC Filing Icon  
6/25/2024Robert BarrowCEOSell15,659$7.22$113,057.98564,543View SEC Filing Icon  
3/25/2024Dan KarlinInsiderSell6,578$9.50$62,491.00358,452View SEC Filing Icon  
3/25/2024Robert BarrowCEOSell16,519$9.50$156,930.50580,202View SEC Filing Icon  
12/26/2023Dan KarlinInsiderSell6,774$3.63$24,589.62365,030View SEC Filing Icon  
12/26/2023Robert BarrowCEOSell13,237$3.63$48,050.31596,721View SEC Filing Icon  
12/26/2023Schond L GreenwayCFOSell5,652$3.63$20,516.76216,617View SEC Filing Icon  
9/25/2023Dan KarlinInsiderSell6,918$3.57$24,697.26371,804View SEC Filing Icon  
9/25/2023Robert BarrowCEOSell13,499$3.58$48,326.42611,729View SEC Filing Icon  
9/25/2023Schond L GreenwayCFOSell5,762$3.58$20,627.96222,269View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Definium Therapeutics (NASDAQ:DFTX)

27.91% of Definium Therapeutics stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at DFTX by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Definium Therapeutics Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Sequoia Financial Advisors LLC17,258$0.81M0.0%N/A0.013%Search for SEC Filing on Google Icon
9/9/2026WINTON GROUP Ltd5,100$0.24M0.0%N/A0.004%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP10,233$0.48M0.0%N/A0.008%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC3,376$0.16M0.0%N/A0.003%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC4,721$0.22M0.0%N/A0.004%Search for SEC Filing on Google Icon
9/9/2026Stableford Capital II LLC27,141$1.28M0.5%N/A0.020%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP2,336$0.11M0.0%N/A0.002%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System30,411$1.43M0.0%N/A0.023%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S947$45K0.0%N/A0.001%Search for SEC Filing on Google Icon
9/2/2026Allianz Asset Management GmbH13,800$0.65M0.0%N/A0.010%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP24,391$1.15M0.0%N/A0.018%Search for SEC Filing on Google Icon
8/22/2026Seven Fleet Capital Management LP148,647$6.99M1.2%N/A0.111%Search for SEC Filing on Google Icon
8/22/2026TD Waterhouse Canada Inc.36,694$1.59M0.0%N/A0.027%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC20,044$0.94M0.0%N/A0.015%Search for SEC Filing on Google Icon
8/21/2026AXQ Capital LP12,444$0.59M0.1%N/A0.009%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S947$45K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP2,949,734$138.76M0.0%N/A2.195%Search for SEC Filing on Google Icon
8/15/2026AWM Investment Company Inc.784,800$36.92M3.2%-27.1%0.584%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp777,271$36.56M0.0%+3.2%0.780%Search for SEC Filing on Google Icon
3/16/2026Avoro Capital Advisors LLC5,000,000$66.95M0.6%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Vestal Point Capital LP637,000$8.53M0.3%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Wellington Management Group LLP1,220,667$16.35M0.0%+376.1%0.000%Search for SEC Filing on Google Icon
2/18/2026Superstring Capital Management LP425,202$5.69M3.0%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026RTW Investments LP300,000$4.02M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/18/2026Orbimed Advisors LLC1,226,700$16.43M0.3%+233.5%0.000%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC1,383,175$18.52M0.0%+363.8%0.000%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC2,411,696$32.26M0.0%+8,513.2%0.000%Search for SEC Filing on Google Icon
2/18/2026Commodore Capital LP2,000,000$26.78M1.8%-38.0%0.000%Search for SEC Filing on Google Icon
2/18/2026Balyasny Asset Management L.P.1,308,115$17.52M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Burkehill Global Management LP100,000$1.34M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC58,298$0.78M0.0%+169.9%0.000%Search for SEC Filing on Google Icon
2/17/2026Soviero Asset Management LP150,000$2.01M1.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Integral Health Asset Management LLC350,000$4.69M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Adage Capital Partners GP L.L.C.1,150,000$15.40M0.0%+283.3%0.000%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board58,602$0.79M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Avoro Capital Advisors LLC5,000,000$66.95M0.7%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP18,948$0.25M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada93,626$1.25M0.0%+80.9%0.000%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC45,402$0.61M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC132,263$1.77M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC183,623$2.46M0.0%+21.9%0.000%Search for SEC Filing on Google Icon
2/13/2026Siren L.L.C.800,000$10.71M0.3%N/A0.000%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.807,249$10.81M0.0%+27.4%0.000%Search for SEC Filing on Google Icon
2/13/2026State Street Corp2,368,066$31.71M0.0%+23.0%0.000%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN107,057$1.43M0.0%+89.5%0.000%Search for SEC Filing on Google Icon
2/13/2026Platinum Investment Management Ltd.70,000$0.94M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP26,282$0.35M0.0%-54.3%0.000%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC20,219$0.27M0.1%N/A0.000%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc20,000$0.27M0.0%N/A0.000%Search for SEC Filing on Google Icon
2/12/2026Swiss National Bank158,400$2.12M0.0%+35.3%0.000%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC276,454$3.70M0.0%+18.4%0.000%Search for SEC Filing on Google Icon
2/11/2026Deutsche Bank AG398,269$5.33M0.0%+622.0%0.000%Search for SEC Filing on Google Icon
2/11/2026Fox Run Management L.L.C.30,708$0.41M0.1%-40.6%0.000%Search for SEC Filing on Google Icon
2/11/2026CenterBook Partners LP138,815$1.86M0.1%-12.9%0.000%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.925,332$12.39M0.0%+68.0%0.000%Search for SEC Filing on Google Icon
2/10/2026AdvisorShares Investments LLC102,838$1.38M0.2%-15.5%0.000%Search for SEC Filing on Google Icon
2/10/2026Seven Grand Managers LLC225,000$3.01M0.2%N/A0.000%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC2,332,938$31.24M0.0%+27.9%0.000%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP164,041$2.20M0.0%+102.5%0.000%Search for SEC Filing on Google Icon
2/6/2026PSP Research LLC34,841$0.47M0.4%N/A0.000%Search for SEC Filing on Google Icon
1/30/2026Jennison Associates LLC53,785$0.72M0.0%N/A0.000%Search for SEC Filing on Google Icon
1/29/2026UBS Group AG683,802$9.16M0.0%+23.9%0.000%Search for SEC Filing on Google Icon
1/29/2026Concurrent Investment Advisors LLC20,397$0.27M0.0%N/A0.000%Search for SEC Filing on Google Icon
1/21/2026Palumbo Wealth Management LLC39,002$0.52M0.1%+18.4%0.040%Search for SEC Filing on Google Icon
1/21/2026Flagship Harbor Advisors LLC8,721$0.12M0.0%N/A0.009%Search for SEC Filing on Google Icon
1/7/2026Bay Rivers Group16,001$0.21M0.1%+14.3%0.016%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.43,182$0.51M0.0%-10.9%0.044%Search for SEC Filing on Google Icon
12/15/2025FNY Investment Advisers LLC9,094$0.11M0.0%N/A0.009%Search for SEC Filing on Google Icon
11/17/2025Caxton Associates LLP10,645$0.13M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025Sender Co & Partners Inc.25,906$0.31M0.0%N/A0.026%Search for SEC Filing on Google Icon
11/17/2025Scientech Research LLC24,239$0.29M0.1%N/A0.025%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV21,931$0.26M0.0%+10.5%0.022%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC298,205$3.52M0.0%+62.6%0.303%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.35,397$0.42M0.0%-14.2%0.036%Search for SEC Filing on Google Icon
11/17/2025Boxer Capital Management LLC163,500$1.93M0.6%N/A0.166%Search for SEC Filing on Google Icon
11/17/2025Commodore Capital LP3,225,000$38.02M1.9%-35.5%3.274%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE84,011$0.99M0.0%-29.5%0.085%Search for SEC Filing on Google Icon
11/17/2025Caxton Corp27,011$0.32M1.4%-20.7%0.027%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC67,984$0.80M0.0%+278.0%0.069%Search for SEC Filing on Google Icon
11/17/2025Ally Bridge Group NY LLC361,444$4.26M2.6%-50.2%0.367%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC35,510$0.42M0.0%N/A0.036%Search for SEC Filing on Google Icon
11/14/2025Creative Planning11,909$0.14M0.0%-82.0%0.012%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC32,184$0.38M0.0%N/A0.042%Search for SEC Filing on Google Icon
11/14/2025Deep Track Capital LP1,500,000$17.69M0.5%-40.0%1.971%Search for SEC Filing on Google Icon
11/14/2025Orbimed Advisors LLC367,824$4.34M0.1%N/A0.483%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC117,239$1.38M0.0%+178.3%0.154%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP296,443$3.50M0.0%+424.9%0.390%Search for SEC Filing on Google Icon
11/13/2025Marshall Wace LLP2,381,980$28.08M0.0%-30.4%3.130%Search for SEC Filing on Google Icon
11/13/2025Rosalind Advisors Inc.750,000$8.84M3.1%+78.6%0.986%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG551,809$6.51M0.0%+7.3%0.725%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets15,320$0.18M0.0%+82.0%0.020%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc55,019$0.65M0.0%-3.0%0.072%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.13,703$0.16M0.0%+259.0%0.018%Search for SEC Filing on Google Icon
11/13/2025Rathbones Group PLC30,200$0.36M0.0%+7.1%0.040%Search for SEC Filing on Google Icon
11/13/2025Dynamic Technology Lab Private Ltd10,352$0.12M0.0%-29.2%0.014%Search for SEC Filing on Google Icon
11/13/2025Blair William & Co. IL31,905$0.38M0.0%+43.6%0.042%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC150,605$1.78M0.0%-14.1%0.198%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP81,024$0.96M0.0%N/A0.106%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC12,675$0.15M0.0%N/A0.017%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC27,134$0.32M0.0%-28.0%0.036%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Definium Therapeutics logo
Mind Medicine (MindMed) Inc., a clinical stage biopharmaceutical company, develops novel products to treat brain health disorders. The company's lead product candidates include MM-120, which is in phase 2 for the treatment of generalized anxiety disorder and attention deficit hyperactivity disorder; and MM-402, a R-enantiomer of 3,4-methylenedioxymethamphetamine, which is in phase I clinical trials for the treatment of core symptoms of autism spectrum disorder. Mind Medicine (MindMed) Inc. is headquartered in New York, New York.
Read More on Definium Therapeutics

Today's Range

Now: $37.65
Low: $37.17
High: $40.04

50 Day Range

MA: $42.06
Low: $36.82
High: $46.18

52 Week Range

Now: $37.65
Low: $9.49
High: $49.70

Volume

2,712,449 shs

Average Volume

2,268,305 shs

Market Capitalization

$5.06 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.23

Who are the company insiders with the largest holdings of Definium Therapeutics?

Definium Therapeutics' top insider investors include:
  1. Dan Karlin (Insider)
  2. Robert Barrow (CEO)
  3. Daniel Karlin (Insider)
  4. Mark Sullivan (Insider)
  5. Schond L Greenway (CFO)
  6. Brandi Roberts (CFO)
  7. Matthew T Wiley (Insider)
  8. Carrie Liao (CAO)
  9. David W Gryska (Director)
Learn More about top insider investors at Definium Therapeutics.

Who are the major institutional investors of Definium Therapeutics?

Definium Therapeutics' top institutional investors include:
  1. Wellington Management Group LLP — 2.20%
  2. AWM Investment Company Inc. — 0.58%
  3. Bank of New York Mellon Corp — 0.78%
  4. Seven Fleet Capital Management LP — 0.11%
  5. California State Teachers Retirement System — 0.10%
  6. TD Waterhouse Canada Inc. — 0.03%
Learn More about top institutional investors of Definium Therapeutics stock.

Which major investors are selling Definium Therapeutics stock?

In the last quarter, DFTX stock was sold by these institutional investors:
  1. AWM Investment Company Inc.
During the previous year, company insiders that have sold Definium Therapeutics company stock include:
  1. Robert Barrow (CEO)
  2. Daniel Karlin (Insider)
  3. Mark Sullivan (Insider)
  4. Brandi Roberts (CFO)
  5. Matthew T Wiley (Insider)
Learn More investors selling Definium Therapeutics stock.

Which major investors are buying Definium Therapeutics stock?

In the last quarter, DFTX stock was acquired by institutional investors including:
  1. Wellington Management Group LLP
  2. Seven Fleet Capital Management LP
  3. California State Teachers Retirement System
  4. TD Waterhouse Canada Inc.
  5. Arizona State Retirement System
  6. Stableford Capital II LLC
  7. Corient Private Wealth LP
  8. Bank of New York Mellon Corp

Definium Therapeutics Active Insiders

Robert Barrow
Robert Barrow
Chief Executive Officer and Board Director
2 recent trades
Schond L Greenway
Schond L Greenway
CFO
Brandi Roberts
Brandi Roberts (Age 52)
CFO
1 recent trades
Carrie Liao
Carrie Liao
CAO
David W Gryska
David W Gryska
Director
Dan Karlin
Dan Karlin
Insider
Daniel Karlin
Daniel Karlin
Insider
Mark Sullivan
Mark Sullivan
Insider
1 recent trades
Matthew T Wiley
Matthew T Wiley
Insider
1 recent trades