PTC THERAPEUTICS, INC. (PTCT) has 17 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 6 sales totalling $7.3M. Most recent filing: Sept. 18, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 18, 2026 filed Sept. 16, 2026 | SCHMERTZLER MICHAEL Director | −$1,349,728 | 20,000 | −2% | Yes | |
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| Sept. 11, 2026 filed Sept. 9, 2026 | SCHMERTZLER MICHAEL Director | −$1,351,803 | 20,000 | −1% | Yes | |
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| Aug. 28, 2026 filed Aug. 26, 2026 | SCHMERTZLER MICHAEL Director | −$1,806,509 | 25,000 | −2% | Yes | |
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| Aug. 21, 2026 filed Aug. 19, 2026 | SCHMERTZLER MICHAEL Director | −$1,805,411 | 25,000 | −2% | Yes | |
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| Aug. 19, 2026 filed Aug. 17, 2026 | Boulding Mark Elliott EXEC. VP AND CLO | $131,861 | 8,439 | 0% | Yes | |
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Showing the 5 most recent of 17 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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