DFTX Chief Medical Officer Daniel Karlin Buys 100,000 Shares

Chief Medical Officer Daniel Karlin bought a significant stake in Definium Therapeutics on June 22, 2026.

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Daniel Karlin, Chief Medical Officer at Definium Therapeutics, Inc. ($DFTX), bought 100,000 shares on June 22, 2026. The trade was reported to the SEC in a Form 4 filing.

Since the trade, $DFTX is up 26.9% after 1 week, up 19.1% after 1 month and down 12.5% to date (from the $36.67 close on Jun 22, 2026).

Find the original: DFTX Form 4 filings on SEC EDGAR

DFTX Definium Therapeutics, Inc.
$32.10 +135.34% year to date
Daily close · Oct 16, 2026

Key Points

  • Daniel Karlin, the Chief Medical Officer of Definium Therapeutics, purchased 100,000 shares on June 22, 2026, valued at about $3.67 million based on a share price of $36.67.
  • Definium Therapeutics, which focuses on developing treatments for brain health disorders, has seen its stock fluctuate between $9.35 and $49.70 over the past year.
  • Analysts are optimistic about Definium, with a consensus recommendation of 'strong buy' and a mean price target of $71.65.

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Insider Buying and Selling at Definium Therapeutics, Inc.

Daniel Karlin, the Chief Medical Officer of Definium Therapeutics, Inc. (DFTX), bought 100,000 shares on June 22, 2026. This purchase is valued at approximately $3.67 million based on the current price of $36.67. This move comes after recent insider selling within the company, which has drawn attention.

Recent Insider Activity

On June 25, 2026, several insiders sold shares, including Brandi Roberts, the CFO, who sold 3,013 shares, Matthew Wiley, the Chief Commercial Officer, who sold 2,867 shares, and Mark Sullivan, the Chief Legal Officer, who sold 13,008 shares. Daniel Karlin himself sold 10,035 shares on the same date, valued at $451,876. This recent wave of insider selling contrasts with Karlin's new purchase, highlighting a mix of confidence and caution within the company.

Stock Performance and Market Context

Definium Therapeutics has had a volatile year, with its stock price swinging from a low of $9.35 to a high of $49.70. As of June 22, 2026, the stock was trading at $36.67, which is below its 50-day moving average of $42.28. The stock's performance may be affected by the company's ongoing clinical trials for its lead product candidates aimed at treating various brain health disorders.

Analysts Set New Price Targets

Analysts have a generally positive outlook on Definium Therapeutics. On October 9, 2026, JP Morgan initiated coverage with an 'Overweight' rating and a target price of $84. Canaccord Genuity maintained a 'Buy' rating with a target of $78, while Baird also kept its 'Outperform' rating with a target of $79. Overall, the consensus recommendation remains a strong buy, reflecting optimism about the company’s future prospects.

What Definium Therapeutics, Inc. Does

Definium Therapeutics, Inc. is a clinical biopharmaceutical company based in New York, focusing on developing new treatments for brain health disorders. The company is currently progressing its lead product candidates through various stages of clinical trials, which could impact its market performance in the coming months.

What's Ahead for Definium Therapeutics, Inc.

Investors will be watching for Definium's next earnings report scheduled for November 5, 2026. The recent insider activity and analyst ratings suggest a keen interest in the company's future developments, especially as it continues its clinical trials. Note that Karlin's purchase reflects his belief in the company's potential, even amid recent insider selling.

Source: Daniel Karlin's Form 4 filing on $DFTX (Jun 22, 2026). Find the original filing: DFTX Form 4 filings on SEC EDGAR. Written by software, not financial advice. How we make alerts

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