Skip to contentStehman-Breen Catherine — Generation Bio Co. insider: 33 transactions · InsiderLensInsider trading activity of Stehman-Breen Catherine
- Transactions on record
- 33
- since Apr 5, 2017
- Open-market buys
- 0
- Open-market sells
- 0
- Companies traded
- 4
- last filing Jun 9, 2026
Figures computed from official regulatory filings — methodology.
Companies where Stehman-Breen Catherine has traded
Track record of Stehman-Breen Catherine
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Stehman-Breen Catherine
Co-insiders of Stehman-Breen Catherine
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Wellington Biomedical Innovation Master Investors (Cayman) I L.P.DYNEGY INC /IL/ +1
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Jun 9, 2026 | AwardD | 35,152 | 0.00 USD | $0 | SEC |
| May 29, 2026 | AwardD | 120,000 | 0.00 USD | $0 | SEC |
| Feb 9, 2026 | OtherD | -1,920 | — | — | SEC |
| Feb 9, 2026 | OtherD | -6,000 | — | — | SEC |
| Feb 9, 2026 | OtherD | -1,500 | — | — | SEC |
| Feb 9, 2026 | OtherD | -5,200 | — | — | SEC |
| Feb 9, 2026 | OtherD | -2,500 | — | — | SEC |
| Feb 9, 2026 | OtherD | -3,000 | — | — | SEC |
| Feb 9, 2026 | Other | -4,752 | — | — | SEC |
| Jun 6, 2025 | AwardD | 30,000 | 0.00 USD | $0 | SEC |
| Jun 3, 2025 | AwardD | 35,000 | 0.00 USD | $0 | SEC |
| May 30, 2025 | AwardD | 107,400 | 0.00 USD | $0 | SEC |
| Oct 21, 2024 | AwardD | 34,000 | 0.00 USD | $0 | SEC |
| Jun 10, 2024 | AwardD | 60,000 | 0.00 USD | $0 | SEC |
| May 24, 2024 | AwardD | 25,133 | 0.00 USD | $0 | SEC |
| Jun 12, 2023 | AwardD | 25,000 | 0.00 USD | $0 | SEC |
| Jun 12, 2023 | AwardD | 29,532 | 0.00 USD | $0 | SEC |
| May 25, 2023 | AwardD | 24,900 | 0.00 USD | $0 | SEC |
| Jul 6, 2022 | AwardD | 7,222 | 0.00 USD | $0 | SEC |
| Jun 13, 2022 | AwardD | 39,727 | 0.00 USD | $0 | SEC |
| Jun 13, 2022 | AwardD | 19,200 | 0.00 USD | $0 | SEC |
| Jun 6, 2022 | AwardD | 19,596 | 0.00 USD | $0 | SEC |
| Jun 11, 2021 | AwardD | 15,000 | 0.00 USD | $0 | SEC |
| May 27, 2021 | AwardD | 19,596 | 0.00 USD | $0 | SEC |
| Sep 23, 2020 | OtherD | -35,574 | 0.00 USD | $0 | SEC |