Smith Mary L. (CIK 1866044) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-13). Recent activity: Buy PTCT (10,000 shares), Sell PTCT (10,000 shares), Buy PTCT (5,834 shares), Sell PTCT (5,834 shares), Buy PTCT (4,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-13 | PTC THERAPEUTICS, INC. (PTCT) | Director | Buy | 10,000 | $429,500 |
| 2026-07-13 | PTC THERAPEUTICS, INC. (PTCT) | Director | Sell | 10,000 | $900,000 |
| 2026-07-13 | PTC THERAPEUTICS, INC. (PTCT) | Director | Buy | 5,834 | $250,570 |
| 2026-07-13 | PTC THERAPEUTICS, INC. (PTCT) | Director | Sell | 5,834 | $525,060 |
| 2026-01-06 | PTC THERAPEUTICS, INC. (PTCT) | Director | Buy | 4,000 | $0 |
Source: SEC Form 4 filings · as of 2026-07-13