Hartzel William
SEC insider (Form 3/4/5 filer). CIK 0001989644. SVP, Bioservices at Emergent BioSolutions Inc. (EBS). 14 reported Form 4/5 transactions since Sep 2024; latest on Jun 8, 2026. Located in GAITHERSBURG, MD.
Companies Hartzel William has filed insider reports for
- Emergent BioSolutions Inc. (EBS): Officer, SVP, Bioservices
Hartzel William
CIK: 0001989644
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 (14 total)
- Jun 8, 2026EBS
Emergent BioSolutions Inc.
Tax PaymentDirect1.7K shares at avg. $8.00$14K - Apr 29, 2026EBS
Emergent BioSolutions Inc.
AwardDirect100.1K shares- - Mar 5, 2026EBS
Emergent BioSolutions Inc.
Tax PaymentDirect9.5K shares at avg. $8.44$80K - Mar 3, 2026EBS
Emergent BioSolutions Inc.
AwardDirectEmployee Stock Option (Right to buy)
44.8K shares- - Feb 6, 2026EBS
Emergent BioSolutions Inc.
DispositionDirect5.8K shares at avg. $10.92$63K - Feb 6, 2026EBS
Emergent BioSolutions Inc.
Tax PaymentDirect630 shares at avg. $10.92$7K - Nov 11, 2025EBS
Emergent BioSolutions Inc.
Tax PaymentDirect610 shares at avg. $10.88$7K - Jul 11, 2025EBS
Emergent BioSolutions Inc.
Tax PaymentDirect4.3K shares at avg. $7.36$31K - Jun 8, 2025EBS
Emergent BioSolutions Inc.
Tax PaymentDirect1.2K shares at avg. $6.63$8K - Apr 7, 2025EBS
Emergent BioSolutions Inc.
Tax PaymentDirect561 shares at avg. $4.44$2K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 8, 2026 | EBS Emergent BioSolutions Inc. | Tax Payment | 1,741 | $8.00 | $13,928 | Direct |
| Apr 29, 2026 | EBS Emergent BioSolutions Inc. | Award | 100,111 | - | $0 | Direct |
| Mar 5, 2026 | EBS Emergent BioSolutions Inc. | Tax Payment | 9,493 | $8.44 | $80,121 | Direct |
| Mar 3, 2026 | EBS Emergent BioSolutions Inc. | Award Employee Stock Option (Right to buy) | 44,834 | - | - | Direct |
| Feb 6, 2026 | EBS Emergent BioSolutions Inc. | Disposition | 5,771 | $10.92 | $63,019 | Direct |
| Feb 6, 2026 | EBS Emergent BioSolutions Inc. | Tax Payment | 630 | $10.92 | $6,880 | Direct |
| Nov 11, 2025 | EBS Emergent BioSolutions Inc. | Tax Payment | 610 | $10.88 | $6,637 | Direct |
| Jul 11, 2025 | EBS Emergent BioSolutions Inc. | Tax Payment | 4,263 | $7.36 | $31,376 | Direct |
| Jun 8, 2025 | EBS Emergent BioSolutions Inc. | Tax Payment | 1,167 | $6.63 | $7,737 | Direct |
| Apr 7, 2025 | EBS Emergent BioSolutions Inc. | Tax Payment | 561 | $4.44 | $2,491 | Direct |
1-10 of 14 transactions