Gryska David W
- SEC CIK
- 0001202335
No open-market purchases or sales filed in the past year.
Current role at each company
- FBRX Forte Biosciences, Inc.Directoras of Aug 27, 2026
- DFTX Definium Therapeutics, Inc.Directoras of Jun 15, 2026
- SGEN Seagen Inc.Directoras of Dec 15, 2023
- AERI Aerie Pharmaceuticals IncDirectoras of Nov 21, 2022
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 Gryska David W 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.
DFTX Definium Therapeutics, Inc.
Director2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 5, 2024 (view filing) | Dec 5 | Same day | Gryska David WDirector | PPurchase | +2.50K | $7.17 | +$17.9K | +14.4%19.9K after | |
| Aug 26, 2024 (view filing) | Aug 23 | 3 days | Gryska David WDirector | PPurchase | +3.50K | $5.98 | +$20.9K | +25.3%17.4K after |
SGEN Seagen Inc.
Director5 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 15, 2022 (view filing) | Nov 11 | 4 days | Gryska David WDirector | SSale | −7.50K | $129.10 | −$968.3K | −15.7%40.3K after | |
| Apr 21, 2022 (view filing) | Apr 19 | 2 days | Gryska David WDirector | SSale | −4.00K | $143.95 | −$575.8K | −8.0%46.3K after | 3 lots |
| Feb 9, 2022 (view filing) | Feb 7 | 2 days | Gryska David WDirector | SSale | −4.50K | $138.76 | −$624.4K | −8.9%46.3K after | 3 lots |
| Feb 1, 2022 (view filing) | Jan 28 | 4 days | Gryska David WDirector | SSale | −4.50K | $122.56 | −$551.5K | −8.9%46.3K after | 4 lots |
| Jan 19, 2022 (view filing) | Jan 14 | 5 days | Gryska David WDirector | SSale | −4.50K | $135.24 | −$608.6K | −8.9%46.3K after |