| 2024 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Micah Philanthropies | 990PF | Trustee | 8 | $0 | $0 | View return |
| 2023 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee Through 11/13/23 | 0.5 | $0 | $0 | View return |
| 2023 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2022 | Micah Philanthropies | 990PF | Trustee | 8 | $0 | $0 | View return |
| 2022 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2021 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Micah Philanthropies | 990PF | Trustee | 8 | $0 | $0 | View return |
| 2021 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Jj Greenberg Institute for the Advancement of Jewish Thought | 990 | Chair | 2 | $0 | $0 | View return |
| 2021 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2020 | Micah Philanthropies | 990PF | Trustee | 4 | $0 | $0 | View return |
| 2020 | Jj Greenberg Institute for the Advancement of Jewish Thought | 990 | Chair | 2 | $0 | $0 | View return |
| 2020 | Hebrew High School of New England Inc | 990 | Board Member | - | $0 | $0 | View return |
| 2020 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2020 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2019 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Micah Philanthropies | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2018 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Hebrew High School of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | International Beit Din Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | Micah Philanthropies | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2017 | Hebrew High School of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2017 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2017 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2016 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Hebrew High School of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Harold Grinspoon Foundation | 990 | Trustee | 4 | $0 | $0 | View return |
| 2015 | Hebrew High School of New England Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2015 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2015 | The Harold Grinspoon Foundation | 990 | Trustee | 10 | $0 | $0 | View return |
| 2015 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2015 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2014 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2014 | Hebrew High School of New England Inc | 990 | Chairman | 2 | $0 | $0 | View return |
| 2014 | The Harold Grinspoon Foundation | 990 | Trustee | 10 | $0 | $0 | View return |
| 2014 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2013 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2013 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2013 | The Harold Grinspoon Foundation | 990 | Trustee | 10 | $0 | $0 | View return |
| 2013 | Hebrew High School of New England Inc | 990 | Immediate Past President | 2 | $0 | $0 | View return |
| 2012 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2012 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2012 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2011 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2011 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2011 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2010 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2010 | The Harold Grinspoon Charitable Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2010 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2009 | Micah Philanthropies | 990PF | Trustee | 0.05 | $0 | $0 | View return |
| 2009 | Steven K and Winifred a Grinspoon Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |