JONAS JEFFREY M
SEC insider (Form 3/4/5 filer). CIK 0001042021. Director at COMPASS Pathways plc (CMPS) and 1 other issuer. 10 reported Form 4/5 transactions since Sep 2024; latest on May 27, 2026. Located in CAMBRIDGE, MA.
Companies JONAS JEFFREY M has filed insider reports for
- COMPASS Pathways plc (CMPS): Director
- Generation Bio Co. (GBIO): Director
JONAS JEFFREY M
CIK: 0001042021
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 (10 total)
- May 27, 2026CMPS
COMPASS Pathways plc
AwardDirectShare Option (Right to Buy)
21.1K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
6K 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- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
3K shares- - Feb 9, 2026GBIO
Generation Bio Co.
DispositionDirectStock Option (right to buy)
4.2K 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- - Oct 29, 2025CMPS
COMPASS Pathways plc
AwardDirectShare Option (Right to Buy)
52K shares- - Jun 4, 2025GBIO
Generation Bio Co.
AwardDirectStock Option (right to buy)
30K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 27, 2026 |  CMPS COMPASS Pathways plc | Award Share Option (Right to Buy) | 21,110 | - | - | Direct |
| Feb 9, 2026 |  GBIO Generation Bio Co. | Disposition Stock Option (right to buy) | 6,000 | - | - | 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 |
| 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) | 4,246 | - | - | 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 |
| Oct 29, 2025 | CMPS COMPASS Pathways plc | Award Share Option (Right to Buy) | 52,000 | - | - | Direct |
| Jun 4, 2025 | GBIO Generation Bio Co. | Award Stock Option (right to buy) | 30,000 | - | - | Direct |
1-10 of 10 transactions