Appelhans Dannielle
SEC insider (Form 3/4/5 filer). CIK 0001874962. Director at HALOZYME THERAPEUTICS, INC. (HALO) and 1 other issuer. 8 reported Form 4/5 transactions since Sep 2024; latest on Sep 1, 2026. Located in SAN DIEGO, CA.
Companies Appelhans Dannielle has filed insider reports for
- HALOZYME THERAPEUTICS, INC. (HALO): Director
- Generation Bio Co. (GBIO): Director
Appelhans Dannielle
CIK: 0001874962
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Sep 1, 2026HALO
HALOZYME THERAPEUTICS, INC.
AwardDirect1.2K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Tender OfferIndirect736 shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
6K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Tender OfferDirect1.3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
3.8K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
2.5K shares- - Jun 4, 2025GBIO
Generation Bio Co.
AwardDirectStock Option (right to buy)
30K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 1, 2026 |  HALO HALOZYME THERAPEUTICS, INC. | Award | 1,161 | - | $0 | Direct |
| Feb 9, 2026 |  GBIO Generation Bio Co. | Tender Offer | 736 | - | $0 | Indirect |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 6,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Tender Offer | 1,263 | - | $0 | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 3,000 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 3,840 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 2,500 | - | - | Direct |
| Jun 4, 2025 | GBIO Generation Bio Co. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
1-8 of 8 transactions