Southwell David P
- SEC CIK
- 0001251553
No open-market purchases or sales filed in the past year.
Current role at each company
- RCKT Rocket Pharmaceuticals, Inc.Directoras of Aug 5, 2026
- PTCT PTC Therapeutics, Inc.Directoras of Jan 6, 2026
- TCRX TScan Therapeutics, Inc.Chief Executive Officeras of Feb 6, 2023
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Southwell David P as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
PTCT PTC Therapeutics, Inc.
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2025 (view filing) | Sep 9 | 2 days | Southwell David PDirector | SSale | −12.0K | $58.34 | −$700.1K | −41.6%16.9K after | |
| Apr 19, 2023 (view filing) | Apr 17 | 2 days | Southwell David PDirector | SSale | −11.4K | $51.03 | −$583.2K | −52.1%10.5K after | 2 lots10b5-1 |
| Apr 4, 2023 (view filing) | Mar 31 | 4 days | Southwell David PDirector | SSale | −2.57K | $50.05 | −$128.7K | −19.7%10.5K after | 10b5-1 |
| Mar 29, 2023 (view filing) | Mar 27 | 2 days | Southwell David PDirector | SSale | −10.0K | $45.09 | −$450.9K | −48.8%10.5K after | 3 lots10b5-1 |
RCKT Rocket Pharmaceuticals, Inc.
Director1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Apr 16, 2024 (view filing) | Apr 12-15 | 4 days | Southwell David PDirector | SSale | −80.0K | $24.32 | −$1.95M | −41.1%114.8K after | 3 lots |
TCRX TScan Therapeutics, Inc.
Chief Executive Officer2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 20, 2022 (view filing) | May 18 | 2 days | Southwell David PChief Executive Officer | PPurchaseVoting Common Stock | +25.0K | $3.59 | +$89.8K | +17.1%171.6K after | 2 lots |
| Sep 9, 2021 (view filing) | Sep 8 | 1 day | Southwell David PChief Executive Officer | PPurchaseVoting Common Stock | +11.0K | $8.73 | +$96.0K | +12.7%97.9K after |