DFTXNasdaq

Definium Therapeutics, Inc.

Alert me on DFTX

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Sep 30 Sale Karlin Daniel Insider

1 week

−7.8%S&P +1.9%

1 month

Result in4 trading days

3 months

Result in46 trading days

6 months

Result in109 trading days

Sep 30 Sale Wiley Matthew T. Insider

1 week

−7.8%S&P +1.9%

1 month

Result in4 trading days

3 months

Result in46 trading days

6 months

Result in109 trading days

Sep 30 Sale Sullivan Mark Insider

1 week

−7.8%S&P +1.9%

1 month

Result in4 trading days

3 months

Result in46 trading days

6 months

Result in109 trading days

Sep 30 Sale Barrow Robert Insider

1 week

−7.8%S&P +1.9%

1 month

Result in4 trading days

3 months

Result in46 trading days

6 months

Result in109 trading days

Sep 30 Sale Roberts Brandi Insider

1 week

−7.8%S&P +1.9%

1 month

Result in4 trading days

3 months

Result in46 trading days

6 months

Result in109 trading days

Show all 14

Sep 5 Sale Barrow Robert Insider

1 week

−3.7%S&P −1.1%

1 month

−8.2%S&P +1.7%

3 months

Result in30 trading days

6 months

Result in93 trading days

Jun 27 Sale Barrow Robert Insider

1 week

−4.4%S&P +0.9%

1 month

−9.4%S&P −1.6%

3 months

−17.5%S&P +3.6%

6 months

Result in44 trading days

Jun 27 Sale Karlin Daniel Insider

1 week

−4.4%S&P +0.9%

1 month

−9.4%S&P −1.6%

3 months

−17.5%S&P +3.6%

6 months

Result in44 trading days

Jun 27 Sale Sullivan Mark Insider

1 week

−4.4%S&P +0.9%

1 month

−9.4%S&P −1.6%

3 months

−17.5%S&P +3.6%

6 months

Result in44 trading days

Jun 27 Sale Wiley Matthew T. Insider

1 week

−4.4%S&P +0.9%

1 month

−9.4%S&P −1.6%

3 months

−17.5%S&P +3.6%

6 months

Result in44 trading days

Jun 27 Sale Roberts Brandi Insider

1 week

−4.4%S&P +0.9%

1 month

−9.4%S&P −1.6%

3 months

−17.5%S&P +3.6%

6 months

Result in44 trading days

Mar 27 Sale Barrow Robert Insider

1 week

+14.3%S&P +3.9%

1 month

+19.0%S&P +12.2%

3 months

+160.3%S&P +17.2%

6 months

+114.8%S&P +21.3%

Mar 27 Sale Sullivan Mark Insider

1 week

+14.3%S&P +3.9%

1 month

+19.0%S&P +12.2%

3 months

+160.3%S&P +17.2%

6 months

+114.8%S&P +21.3%

Mar 27 Sale Karlin Daniel Insider

1 week

+14.3%S&P +3.9%

1 month

+19.0%S&P +12.2%

3 months

+160.3%S&P +17.2%

6 months

+114.8%S&P +21.3%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for DFTX

71 held · newest 571 held · newest 2

Loading the filings.

See all 71 filings for DFTX

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Signal history

No signal for this ticker yet. A signal is written when insider buying here scores one dot or more.

Stakes

Jun 30, 2026 Schedule 13G, amended

Commodore Capital LP: 1.8%, 2,410,000 shares

Jun 30, 2026 Schedule 13G, amended

DRIEHAUS CAPITAL MANAGEMENT LLC: 5.4%, 6,845,276 shares

Mar 31, 2026 Schedule 13G, amended

Deep Track Capital, LP: 3%, 3,000,000 shares

Dec 31, 2025 Schedule 13G, amended

Commodore Capital LP: 7.2%, 7,428,775 shares

Dec 31, 2025 Schedule 13G

DRIEHAUS CAPITAL MANAGEMENT LLC: 6.6%, 6,537,202 shares

Dec 31, 2025 Schedule 13G

Avoro Capital Advisors LLC: 5.1%, 5,000,000 shares

Dec 31, 2025 Schedule 13G, amended

Deep Track Capital, LP: 5.5%, 5,676,540 shares

Sep 30, 2025 Schedule 13G, amended

Deep Track Capital, LP: 6.9%, 5,500,000 shares

Schedule 13D is filed within 5 business days of crossing 5 percent by an investor who may seek to influence the company. Schedule 13G is filed by a passive holder, and a large institution has up to 45 days after the quarter end.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$90KQ4 2025

$100KQ1 2026

$90KQ2 2026

$130KQ3 2026

Up 44 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.