| 2024 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2024 | Camden Public Library Centennial Fund | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2024 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2023 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2023 | Camden Public Library Centennial Fund | 990 | Trustee | 0.2 | $0 | $0 | View return |
| 2023 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2022 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2022 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2021 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2021 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2020 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | 0 | $0 | $0 | View return |
| 2020 | Camden Public Library Maintenance Fund | 990 | Trustee | 0 | $0 | $0 | View return |
| 2019 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2019 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2018 | Semiconductor Equipment & Materials Intl | 990 | Former President & CEO | 40 | $125,538 | $0 | View return |
| 2018 | Semi Foundation | 990 | Former Chairman, Pres & CEO | 2 | $0 | $125,538 | View return |
| 2018 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2018 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2017 | Semiconductor Equipment & Materials Intl | 990 | President & CEO (To 3/17) | 40 | $836,237 | $0 | View return |
| 2017 | Semi Foundation | 990 | Chairman, Pres & CEO (To 3/17) | 2 | $0 | $836,237 | View return |
| 2017 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2017 | Camden Public Library Maintenance Fund | 990 | Trustee | 0 | $0 | $0 | View return |
| 2016 | Semiconductor Equipment & Materials Intl | 990 | President & CEO (To 3/17) | 40 | $797,817 | $0 | View return |
| 2016 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2016 | Camden Public Library Maintenance Fund | 990 | Trustee | - | $0 | $0 | View return |
| 2016 | Flextech Alliance Inc DBA Nextflex | 990 | Board Member (To 3/17) | 1 | $0 | $0 | View return |
| 2015 | Camden Public Library Maintenance Fund | 990 | Trustee | 0.25 | $0 | $0 | View return |
| 2015 | Louise Knapp Curtis Memorial Trust | 990 | Trustee | - | $0 | $0 | View return |
| 2014 | Semiconductor Equipment & Materials Intl | 990 | President & CEO | 40 | $807,245 | $0 | View return |
| 2014 | Camden Public Library Maintenance Fund | 990 | Trustee | 0 | $0 | $0 | View return |
| 2014 | Louise Knapp Curtis Memorial Trust | 990EZ | Trustee | 0 | $0 | - | View return |
| 2013 | Semiconductor Equipment & Materials Intl | 990 | President And CEO | 40 | $607,908 | $0 | View return |
| 2013 | Camden Public Library Maintenance Fund | 990 | Trustee | 0 | $0 | $0 | View return |
| 2013 | Louise Knapp Curtis Memorial Trust | 990EZ | Trustee | 0 | $0 | - | View return |