Christensen Gustav
SEC insider (Form 3/4/5 filer). CIK 0001397709. Director at Generation Bio Co. (GBIO). 8 reported Form 4/5 transactions since Sep 2024; latest on Feb 9, 2026. Located in CAMBRIDGE, MA.
Companies Christensen Gustav has filed insider reports for
- Generation Bio Co. (GBIO): Director
Christensen Gustav
CIK: 0001397709
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)
Generation Bio Co.
Discretionary Trading P&L
Holdings
Transaction History (8 total)
- Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
6K shares- - Feb 9, 2026GBIO
Generation Bio Co.
Tender OfferDirect13.1K 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)
5.2K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
1.5K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
1.9K 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 | |||
|---|---|---|---|---|---|---|
| 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 | 13,142 | - | $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) | 5,200 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 1,500 | - | - | Direct |
| Feb 9, 2026 | GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 1,920 | - | - | 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