JONAS JEFFREY M has filed 11 insider transactions across 3 companies since June 2024.
Most recent transaction: a disposition of 6000 shares of Generation Bio Co. ($GBIO) on February 09, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 6000 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.09% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 5200 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.08% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 1500 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.02% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 1920 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.03% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 2500 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.04% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 3000 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.04% |
| Feb. 9, 2026 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Director | D | Stock Option (right to buy) | 4246 | $0.00 | 0.0000 | 6,735,454 | 100.00% | 0.06% |
| Oct. 29, 2025 | COMPASS Pathways plc | $CMPS | JONAS JEFFREY M | Director | A | Share Option (Right to Buy) | 52000 | $0.00 | 52,000.0000 | 92,673,132 | 9999.99% | 0.06% |
| June 4, 2025 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Not found | A | Stock Option (right to buy) | 30000 | $0.00 | 30,000.0000 | 67,002,511 | 9999.99% | 0.04% |
| June 10, 2024 | Sage Therapeutics, Inc. | $SAGE | JONAS JEFFREY M | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 0 | 9999.99% | 0.00% |
| June 6, 2024 | Generation Bio Co. | $GBIO | JONAS JEFFREY M | Not found | A | Stock Option (right to buy) | 60000 | $0.00 | 60,000.0000 | 66,433,640 | 9999.99% | 0.09% |