DeGolyer Donald W
- SEC CIK
- 0001583098
In the past year, 2 open-market sale filings worth $317.6K and no purchases.
Current role at each company
- EBS Emergent BioSolutions Inc.Directoras of May 4, 2026
- TYME Tyme Technologies, Inc.Directoras of Sep 16, 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
- $317.6K
- 2 filings
- Net
- −$317.6K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists DeGolyer Donald 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.
EBS Emergent BioSolutions Inc.
Director4 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2026 (view filing) | May 1 | 3 days | DeGolyer Donald WDirector | SSale | −15.5K | $8.40 | −$130.0K | −10.7%129.7K after | 2 lots10b5-1 |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | DeGolyer Donald WDirector | SSale | −17.8K | $10.54 | −$187.6K | −12.9%119.9K after | |
| Aug 13, 2025 (view filing) | Aug 12 | 1 day | DeGolyer Donald WDirector | SSale | −7.84K | $8.65 | −$67.9K | −5.4%137.7K after | |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | DeGolyer Donald WDirector | SSale | −25.0K | $10.91 | −$272.8K | −18.4%111.1K after |