Almstead Neil Gregory (CIK 1578850) reported 91 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-08). Recent activity: Buy PTCT (811 shares), Sell PTCT (426 shares), Sell PTCT (385 shares), Buy PTCT (18,876 shares), Sell PTCT (8,786 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 811 | $30,899 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 426 | $36,329 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 385 | $33,241 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 18,876 | $719,176 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 8,786 | $749,885 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 10,090 | $870,969 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 2,474 | $97,525 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 2,474 | $215,312 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 24,613 | $970,244 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 3,956 | $344,845 |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 11,369 | $1.0M |
| 2026-07-08 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 9,288 | $830,719 |
| 2026-06-30 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 412 | $15,697 |
| 2026-06-30 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 412 | $35,115 |
| 2026-06-30 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 7,718 | $294,056 |
| 2026-06-30 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 7,718 | $658,037 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 401 | $15,278 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 401 | $34,089 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 4,922 | $187,528 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 4,922 | $418,518 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 1,001 | $38,138 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 582 | $49,610 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 419 | $36,197 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Buy | 19,859 | $756,628 |
| 2026-06-26 | PTC THERAPEUTICS, INC. (PTCT) | CHIEF TECHNICAL OPS OFFICER | Sell | 8,522 | $726,586 |
Source: SEC Form 4 filings · as of 2026-07-08