Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Almstead Neil Gregory
Over the trailing 90 days, Almstead Neil Gregory (Other at PTC THERAPEUTICS, INC.) traded $13.0M of stock (net selling $5.3M) in PTCT, per 46 SEC Form 4 transactions.
- Role
- Other
- Companies
- PTCT
- Window
- Trailing 90 days · 46 transactions · CIK 1578850
- Net activity
- −$5.3M ($3.9M bought · $9.2M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| PTCT | PTC THERAPEUTICS, INC. | 46 | $3.9M | $9.2M | −$5.3M |
Transactions (46)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-09 | PTCT | Sell | 2.5K | $0 | Exercise or conversion of derivative security |
| 2026-07-09 | PTCT | Buy | 2.5K | $115K | Exercise or conversion of derivative security |
| 2026-07-09 | PTCT | Sell | 2.5K | $222K | Open market or private sale |
| 2026-07-07 | PTCT | Sell | 24.6K | $0 | Exercise or conversion of derivative security |
| 2026-07-07 | PTCT | Sell | 9.3K | $831K | Open market or private sale |
| 2026-07-07 | PTCT | Sell | 11.4K | $1.0M | Open market or private sale |
| 2026-07-07 | PTCT | Buy | 24.6K | $970K | Exercise or conversion of derivative security |
| 2026-07-07 | PTCT | Sell | 4.0K | $345K | Open market or private sale |
| 2026-07-06 | PTCT | Sell | 426 | $36K | Open market or private sale |
| 2026-07-06 | PTCT | Sell | 811 | $0 | Exercise or conversion of derivative security |
| 2026-07-06 | PTCT | Sell | 18.9K | $0 | Exercise or conversion of derivative security |
| 2026-07-06 | PTCT | Sell | 2.5K | $0 | Exercise or conversion of derivative security |
| 2026-07-06 | PTCT | Sell | 385 | $33K | Open market or private sale |
| 2026-07-06 | PTCT | Buy | 18.9K | $719K | Exercise or conversion of derivative security |
| 2026-07-06 | PTCT | Buy | 2.5K | $98K | Exercise or conversion of derivative security |
| 2026-07-06 | PTCT | Sell | 8.8K | $750K | Open market or private sale |
| 2026-07-06 | PTCT | Sell | 10.1K | $871K | Open market or private sale |
| 2026-07-06 | PTCT | Sell | 2.5K | $215K | Open market or private sale |
| 2026-07-06 | PTCT | Buy | 811 | $31K | Exercise or conversion of derivative security |
| 2026-06-26 | PTCT | Buy | 412 | $16K | Exercise or conversion of derivative security |
| 2026-06-26 | PTCT | Buy | 7.7K | $294K | Exercise or conversion of derivative security |
| 2026-06-26 | PTCT | Sell | 412 | $0 | Exercise or conversion of derivative security |
| 2026-06-26 | PTCT | Sell | 7.7K | $658K | Open market or private sale |
| 2026-06-26 | PTCT | Sell | 412 | $35K | Open market or private sale |
| 2026-06-26 | PTCT | Sell | 7.7K | $0 | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 582 | $50K | Open market or private sale |
| 2026-06-25 | PTCT | Buy | 1.0K | $38K | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 19.9K | $0 | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 100 | $9K | Open market or private sale |
| 2026-06-25 | PTCT | Buy | 100 | $4K | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 11.3K | $981K | Open market or private sale |
| 2026-06-25 | PTCT | Sell | 8.5K | $727K | Open market or private sale |
| 2026-06-25 | PTCT | Buy | 19.9K | $757K | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 419 | $36K | Open market or private sale |
| 2026-06-25 | PTCT | Sell | 1.0K | $0 | Exercise or conversion of derivative security |
| 2026-06-25 | PTCT | Sell | 100 | $0 | Exercise or conversion of derivative security |
| 2026-06-24 | PTCT | Sell | 401 | $34K | Open market or private sale |
| 2026-06-24 | PTCT | Sell | 4.9K | $0 | Exercise or conversion of derivative security |
| 2026-06-24 | PTCT | Buy | 401 | $15K | Exercise or conversion of derivative security |
| 2026-06-24 | PTCT | Buy | 4.9K | $188K | Exercise or conversion of derivative security |
| 2026-06-24 | PTCT | Sell | 401 | $0 | Exercise or conversion of derivative security |
| 2026-06-24 | PTCT | Sell | 4.9K | $419K | Open market or private sale |
| 2026-06-22 | PTCT | Buy | 23.7K | $610K | Exercise or conversion of derivative security |
| 2026-06-22 | PTCT | Sell | 11.6K | $944K | Open market or private sale |
| 2026-06-22 | PTCT | Sell | 12.1K | $978K | Open market or private sale |
| 2026-06-22 | PTCT | Sell | 23.7K | $0 | Exercise or conversion of derivative security |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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