$BIIB
Biogen Inc. Common Stock
XNAS•Health Care•Biological Products, (No Diagnostic Substances)
$232.65
▼-1.15%-$2.70
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Plans & pricingDonateBiogen Inc. Common Stock
XNAS•Health Care•Biological Products, (No Diagnostic Substances)
Why is BIIB down today? It is at $232.65 (-1.15%), and our scanner flagged it 93 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment BIIB spikes, and full due diligence on BIIB — key stats, earnings, dilution and insider activity. Free.
Our scanner flagged $BIIB 93 times in the last 30 days. Create a free account to track $BIIB, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
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Here is the latest on BIIB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BIIB today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
From the trading subreddits (WallStreetBets, r/stocks and more). Retail chatter, not a signal. Do your own research.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Godbout Sean Officer | Sold (automatic/other) | -8 | sold 0.5% | 1K | $2K at $219.88 | Oct 2, 26 |
Godbout Sean Officer | Other | 27 | added 1.9% | 1K | n/a | Oct 2, 26 |
Minor Lloyd Director | Sold (automatic/other) | -593 | sold 18% | 3K | $119K at $200.96 | Aug 4, 26 |
Minor Lloyd Director | Sold (automatic/other) | -593 | sold 15% | 3K | $121K at $203.34 | Aug 3, 26 |
Freire Maria C Director | Acquired (grant/award) | +2K | added 29% | 9K | n/a | Jun 9, 26 |
Minor Lloyd Director | Acquired (grant/award) | +2K | added 64% | 4K | n/a | Jun 9, 26 |
Pangalos Menelas N Director | Acquired (grant/award) | +2K | added 64% | 4K | n/a | Jun 9, 26 |
Pangalos Menelas N Director | Other | 2K | n/a | 2K | n/a | Jun 9, 26 |
Patolawala Monish D Director | Acquired (grant/award) | +2K | added 41% | 5K | n/a | Jun 9, 26 |
Langer Susan Director | Acquired (grant/award) | +2K | added 29% | 7K | n/a | Jun 9, 26 |
Mantas Jesus B Director | Acquired (grant/award) | +2K | added 15% | 11K | n/a | Jun 9, 26 |
Rowinsky Eric K Director | Acquired (grant/award) | +2K | added 6.2% | 26K | n/a | Jun 9, 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.
Blend of news sentiment, today’s move, and community votes. Not investment advice.
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
The tickers our scanner is lighting up most over the last 48 hours.
Comparable names in biological products, (no diagnostic substances), closest in size first.
Curated groups BIIB belongs to. Tap one to see every member with today's move and why the group is moving.
Here is the latest on BIIB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BIIB today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
BIIB last traded at $232.65, down 1.15% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Biogen Inc. Common Stock (BIIB) is next expected to report earnings on Wednesday, October 28, 2026 (before open), about 11 days away. Earnings reports often cause large overnight gaps, so many traders manage risk around the date. The date can shift until the company officially confirms it.
The BIIB 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 BIIB 93 times in the last 30 days.
BIIB (Biogen Inc. Common Stock) trades on XNAS, with a market cap of about $34.35B in the BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES) sector.
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 BIIB for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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