$DFTX
Definium Therapeutics, Inc. Common Shares
XNAS•Health Care•Medicinal Chemicals & Botanical Products
Why is DFTX down today? It is at $45.40 (-0.92%), and our scanner flagged it 116 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment DFTX spikes, and full due diligence on DFTX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $45.40
- Change today
- -0.92%
- Previous close
- $45.82
- 52-week range
- $14.62 – $49.70
- Market cap
- $6.21B
- Total held
- 0.65%
- Tradeable float
- 133.5M 99% of shares · after <1% insiders + institutional n/a
- Short interest
- 10.7M ▲ +1% vs prior · as of 2026-07-31
- Short % of float
- 8.0%
- Days to cover
- 6.6d
- Avg daily volume
- 2.3M
- Sector
- Health Care
- Industry
- Medicinal Chemicals & Botanical Products
- Exchange
- XNAS
- 5m
- 0.4x
- 15m
- 0.6x
- 1h
- 0.4x
- 1D
- 0.3x
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Why is $DFTX down today?
DFTX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on DFTX today, peaking at 2.0x its normal volume.
Likely catalystClinical / FDA update, from an SEC filing. Read it →Latest filingSC 13G/APassive 5%+ stake updatedAug 14, 2026 · 5 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
Insiders buying16 buys, 5 sells last 3 months (21/8 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Sullivan Mark Officer | Acquired (grant/award) | +63K 0.05% of company | added 19% | 383K | n/a | Aug 12, 26 |
Roberts Brandi Officer | Acquired (grant/award) | +63K 0.05% of company | added 30% | 272K | n/a | Aug 12, 26 |
Karlin Daniel Officer | Acquired (grant/award) | +100K 0.07% of company | added 20% | 603K | n/a | Aug 12, 26 |
Barrow Robert Officer | Acquired (grant/award) | +375K 0.3% of company | added 34% | 1.47M | n/a | Aug 12, 26 |
Wiley Matthew T. Officer | Acquired (grant/award) | +63K 0.05% of company | added 36% | 237K | n/a | Aug 12, 26 |
Karlin Daniel Officer | Sold (automatic/other) | -10K | sold 2.0% | 503K | $452K at $45.03 | Jun 25, 26 |
Barrow Robert Officer | Sold (automatic/other) | -29K 0.02% of company | sold 2.6% | 1.10M | $1.3M at $45.03 | Jun 25, 26 |
Wiley Matthew T. Officer | Sold (automatic/other) | -3K | sold 1.6% | 175K | $129K at $45.03 | Jun 25, 26 |
Roberts Brandi Officer | Sold (automatic/other) | -3K | sold 1.4% | 209K | $136K at $45.03 | Jun 25, 26 |
Sullivan Mark Officer | Sold (automatic/other) | -13K | sold 3.9% | 321K | $586K at $45.03 | Jun 25, 26 |
Barrow Robert Officer | Acquired (grant/award) | +375K 0.3% of company | added 50% | 1.13M | n/a | Jun 22, 26 |
Sullivan Mark Officer | Acquired (grant/award) | +63K 0.05% of company | added 23% | 334K | n/a | Jun 22, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
Recent offeringRecent priced share offering — a one-time sale that has already completed (not ongoing). If $DFTX runs, these filings show who may be positioned to sell new or newly-registered shares into the move.
- 3,088,235 new shares · Priced at $34/share
Sourced from SEC EDGAR filings (last 9 months); terms read straight from the filing text where available. Ongoing = an at-the-market (ATM) program still selling over time or a live shelf, so it can keep diluting; Completed = a one-time priced sale that already finished. A shelf (S-3) stays effective ~3 years. Form type signals dilution capacity, not an exact share count, and we can't confirm how much of a shelf or ATM remains unused. Not investment advice.
$DFTX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$DFTX Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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DFTX stock FAQ
Why is $DFTX down today?
DFTX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 1 unusual-volume and momentum alert on DFTX today, peaking at 2.0x its normal volume.
What is the DFTX stock price today?
DFTX last traded at $45.40, down 0.92% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live DFTX alerts?
The DFTX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged DFTX 116 times in the last 30 days.
What exchange is DFTX on?
DFTX (Definium Therapeutics, Inc. Common Shares) trades on XNAS, with a market cap of about $6.21B in the MEDICINAL CHEMICALS & BOTANICAL PRODUCTS sector.
Is DFTX good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge DFTX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.