$PTCT
PTC Therapeutics, Inc.
XNAS•Health Care•Pharmaceutical Preparations
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Plans & pricingDonatePTC Therapeutics, Inc.
XNAS•Health Care•Pharmaceutical Preparations
Why is PTCT up today? It is at $64.70 (+3.42%), and our scanner flagged it 52 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PTCT spikes, and full due diligence on PTCT — key stats, earnings, dilution and insider activity. Free.
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Here is the latest on PTCT from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PTCT today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Boulding Mark Elliott Officer | Sold (automatic/other) | -435 | sold 0.4% | 105K | $28K at $64.16 | Oct 6, 26 |
Boulding Mark Elliott Officer | Other | 435 | added 0.4% | 106K | $17K at $39.42 | Oct 6, 26 |
Boulding Mark Elliott Officer | Sold (automatic/other) | -2K | sold 1.5% | 105K | $105K at $64.03 | Oct 5, 26 |
Boulding Mark Elliott Officer | Other | 2K | added 1.6% | 107K | $65K at $39.42 | Oct 5, 26 |
Steele Glenn Jr Md Phd Director | Sold (automatic/other) | -12K 0.01% of company | sold 35% | 23K | $782K at $65.16 | Sep 30, 26 |
Steele Glenn Jr Md Phd Director | Other | 12K 0.01% of company | added 53% | 35K | $135K at $11.23 | Sep 30, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -10K 0.01% of company | sold 0.4% | 2.59M | $678K at $67.83 | Sep 17, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -10K 0.01% of company | sold 0.8% | 1.31M | $666K at $66.58 | Sep 16, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -10K 0.01% of company | sold 0.8% | 1.32M | $673K at $67.34 | Sep 10, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -10K 0.01% of company | sold 0.7% | 1.33M | $678K at $67.79 | Sep 9, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -13K 0.01% of company | sold 0.9% | 1.34M | $894K at $71.55 | Aug 27, 26 |
Schmertzler Michael Director | Sold (automatic/other) | -13K 0.01% of company | sold 0.9% | 1.35M | $909K at $72.74 | Aug 26, 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.




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Here is the latest on PTCT from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PTCT today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
PTCT last traded at $64.70, up 3.42% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
PTC Therapeutics, Inc. (PTCT) is next expected to report earnings on Tuesday, November 3, 2026, about 24 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 PTCT 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 PTCT 52 times in the last 30 days.
PTCT (PTC Therapeutics, Inc.) trades on XNAS, with a market cap of about $5.40B in the PHARMACEUTICAL PREPARATIONS 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 PTCT for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.
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