$MGNX
MacroGenics, Inc.
XNAS•Health Care•Pharmaceutical Preparations
Why is MGNX up today? It is at $4.10 (+0.74%), and our scanner flagged it 12 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment MGNX spikes, and full due diligence on MGNX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $4.10
- Change today
- +0.74%
- Previous close
- $4.07
- 52-week range
- $1.29 – $5.08
- Market cap
- $261M
- Total held
- 3.0%
- Tradeable float
- 61.8M 97% of shares · after 3% insiders + institutional n/a
- Short interest
- 7.3M ▲ +29% vs prior · as of 2026-07-31
- Short % of float
- 11.9%
- Days to cover
- 9.3d
- Avg daily volume
- 1.1M
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5m
- 0.5x
- 15m
- 0.3x
- 1h
- 0.9x
- 1D
- --
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Why is $MGNX up today?
Here is the latest on MGNX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for MGNX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Latest filing4Insider trade (Form 4)Aug 20, 2026 · 2 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
0 buys, 1 sells last 3 months (0/19 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Peters Jeffrey Stuart Officer | Sold (automatic/other) | -31K 0.05% of company | n/a | n/a | $129K at $4.15 | Aug 19, 26 |
Bonvini Ezio Officer | Other | 40K 0.06% of company | added 27% | 186K | $104K at $2.60 | Aug 17, 26 |
Ferrante Karen Jean Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Stump David C Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Hurwitz Edward Director | Other | 4K | added 8.5% | 48K | n/a | May 18, 26 |
Liu Margaret Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Chhabra Meenu Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Siegel Jay Philip Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Heiden William K Director | Other | 4K | added 3.4% | 115K | n/a | May 18, 26 |
Jackson Scott Thomas Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
O'Brien Federica F. Director | Other | 4K | added 34% | 15K | n/a | May 18, 26 |
Koenig Scott Director | Other | 21K 0.03% of company | added 2.5% | 867K | n/a | Feb 15, 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.
$MGNX Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$MGNX Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

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MGNX stock FAQ
Why is $MGNX up today?
Here is the latest on MGNX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for MGNX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the MGNX stock price today?
MGNX last traded at $4.10, up 0.74% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live MGNX alerts?
The MGNX 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 MGNX 12 times in the last 30 days.
What exchange is MGNX on?
MGNX (MacroGenics, Inc.) trades on XNAS, with a market cap of about $261M in the PHARMACEUTICAL PREPARATIONS sector.
Is MGNX 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 MGNX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.