DeGolyer Donald W
SEC CIK 1583098 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| EBS | Emergent BioSolutions Inc. | Dir | 129.7K | — | $658.2K | 8 | 2023-10-03 | 2026-05-01 |
Most active insiders at EBS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | DeGolyer Donald W | Dir | — | $317.6K |
| 2 | Glessner Coleen | EVP, Quality, Ethics, CPL | — | $306.1K |
| 3 | Richard Ronald | Dir | — | $263.1K |
| 4 | Dayal Sujata Tyagi | Dir | — | $201.1K |
| 5 | Zoon Kathryn C | Dir | — | $144.5K |
| 6 | Katkin Keith | Dir | — | $128.2K |
| 7 | Williams Paul Anthony | SVP, Products Business | — | $59.0K |
| 8 | Lowry Simon C | SVP, CMO, R, D | — | — |
| 9 | Perl Jessica | SVP, GC, Corp Sec | — | — |
| 10 | Hartzel William | SVP, Bioservices | — | — |
Transactions 8
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-05-04 17:30 | 2026-04-30 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | A - Grant | $0.00 | +25.3K | 145.2K | +21% | $0 |
| DMT | 2026-05-04 17:30 | 2026-05-01 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | S - Sale | $8.40 | -15.5K | 129.7K | -11% | -$130.0K |
| 2025-11-12 | 2025-11-10 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | S - Sale | $10.54 | -17.8K | 119.9K | -13% | -$187.6K | |
| 2025-08-13 | 2025-08-12 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | S - Sale | $8.65 | -7,844 | 137.7K | -5% | -$67.9K | |
| D | 2025-05-02 | 2025-04-30 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | A - Grant | $0.00 | +34.4K | 145.5K | +31% | $0 |
| 2024-11-14 | 2024-11-12 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | S - Sale | $10.91 | -25.0K | 111.1K | -18% | -$272.8K | |
| D | 2024-05-28 | 2024-05-23 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | A - Grant | $0.00 | +17.4K | 136.1K | +15% | $0 |
| 2023-10-05 | 2023-10-03 | EBS | Emergent BioSolutions Inc. | DeGolyer Donald W | Dir | A - Grant | $0.00 | +118.7K | 118.7K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations