18 insiders reported 374 Form 4 transactions for PTC THERAPEUTICS, INC. (PTCT) over the past 18 months (most recent 2026-09-18). Recent activity: SCHMERTZLER MICHAEL (Director) Sell 2,994 shares, SCHMERTZLER MICHAEL (Director) Sell 7,006 shares, SCHMERTZLER MICHAEL (Director) Sell 9,624 shares, SCHMERTZLER MICHAEL (Director) Sell 376 shares, SCHMERTZLER MICHAEL (Director) Sell 9,428 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-18 | SCHMERTZLER MICHAEL | Director | Sell | 2,994 | $199,341 |
| 2026-09-18 | SCHMERTZLER MICHAEL | Director | Sell | 7,006 | $471,854 |
| 2026-09-18 | SCHMERTZLER MICHAEL | Director | Sell | 9,624 | $652,796 |
| 2026-09-18 | SCHMERTZLER MICHAEL | Director | Sell | 376 | $25,737 |
| 2026-09-11 | SCHMERTZLER MICHAEL | Director | Sell | 9,428 | $639,124 |
| 2026-09-11 | SCHMERTZLER MICHAEL | Director | Sell | 572 | $39,279 |
| 2026-09-11 | SCHMERTZLER MICHAEL | Director | Sell | 10,000 | $673,400 |
| 2026-08-28 | SCHMERTZLER MICHAEL | Director | Sell | 6,874 | $500,015 |
| 2026-08-28 | SCHMERTZLER MICHAEL | Director | Sell | 5,626 | $411,711 |
| 2026-08-28 | SCHMERTZLER MICHAEL | Director | Sell | 11,890 | $850,730 |
| 2026-08-28 | SCHMERTZLER MICHAEL | Director | Sell | 610 | $44,054 |
| 2026-08-21 | SCHMERTZLER MICHAEL | Director | Sell | 7,165 | $527,846 |
| 2026-08-21 | SCHMERTZLER MICHAEL | Director | Sell | 5,335 | $388,708 |
| 2026-08-21 | SCHMERTZLER MICHAEL | Director | Sell | 9,419 | $666,677 |
| 2026-08-21 | SCHMERTZLER MICHAEL | Director | Sell | 2,390 | $171,793 |
| 2026-08-21 | SCHMERTZLER MICHAEL | Director | Sell | 691 | $50,388 |
| 2026-08-19 | Boulding Mark Elliott | EXEC. VP AND CLO | Buy | 2,813 | $72,266 |
| 2026-08-19 | Boulding Mark Elliott | EXEC. VP AND CLO | Sell | 1,844 | $133,487 |
| 2026-08-19 | Boulding Mark Elliott | EXEC. VP AND CLO | Sell | 969 | $70,640 |
| 2026-08-06 | Klein Matthew B. | CHIEF EXECUTIVE OFFICER | Sell | 10,292 | $705,722 |
| 2026-07-30 | Sollie-Zetlmayer Hege Elisabeth | Director | Buy | 4,000 | $0 |
| 2026-07-30 | Sollie-Zetlmayer Hege Elisabeth | Director | Buy | 2,000 | $0 |
| 2026-07-16 | Gravier Pierre | CHIEF FINANCIAL OFFICER | Sell | 3,494 | $280,743 |
| 2026-07-13 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | Buy | 2,464 | $114,675 |
| 2026-07-13 | Smith Mary L. | Director | Buy | 10,000 | $429,500 |
Source: SEC Form 4 filings · as of 2026-09-18