DeGolyer Donald W
SEC insider (Form 3/4/5 filer). CIK 0001583098. Director at Emergent BioSolutions Inc. (EBS). 8 reported Form 4/5 transactions since Sep 2024; latest on Oct 7, 2026. Located in GAITHERSBURG, MD.
Companies DeGolyer Donald W has filed insider reports for
- Emergent BioSolutions Inc. (EBS): Director
DeGolyer Donald W
CIK: 0001583098
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Emergent BioSolutions Inc.
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Oct 7, 2026EBS
Emergent BioSolutions Inc.
SaleDirect17.8K shares at avg. $7.09$126K - May 1, 2026EBS
Emergent BioSolutions Inc.
SaleDirect954 shares at avg. $8.96$9K - May 1, 2026EBS
Emergent BioSolutions Inc.
SaleDirect14.5K shares at avg. $8.36$121K - Apr 30, 2026EBS
Emergent BioSolutions Inc.
AwardDirect25.3K shares- - Nov 10, 2025EBS
Emergent BioSolutions Inc.
SaleDirect17.8K shares at avg. $10.54$188K - Aug 12, 2025EBS
Emergent BioSolutions Inc.
SaleDirect7.8K shares at avg. $8.65$68K - Apr 30, 2025EBS
Emergent BioSolutions Inc.
AwardDirect34.4K shares- - Nov 12, 2024EBS
Emergent BioSolutions Inc.
SaleDirect25K shares at avg. $10.91$273K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 7, 2026 | EBS Emergent BioSolutions Inc. | Sale | 17,800 | $7.09 | $126,202 | Direct |
| May 1, 2026 | EBS Emergent BioSolutions Inc. | Sale | 954 | $8.96 | $8,548 | Direct |
| May 1, 2026 | EBS Emergent BioSolutions Inc. | Sale | 14,527 | $8.36 | $121,446 | Direct |
| Apr 30, 2026 | EBS Emergent BioSolutions Inc. | Award | 25,344 | - | $0 | Direct |
| Nov 10, 2025 | EBS Emergent BioSolutions Inc. | Sale | 17,801 | $10.54 | $187,623 | Direct |
| Aug 12, 2025 | EBS Emergent BioSolutions Inc. | Sale | 7,844 | $8.65 | $67,831 | Direct |
| Apr 30, 2025 | EBS Emergent BioSolutions Inc. | Award | 34,403 | - | - | Direct |
| Nov 12, 2024 | EBS Emergent BioSolutions Inc. | Sale | 25,000 | $10.91 | $272,750 | Direct |
1-8 of 8 transactions