| 2024 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2024 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2024 | Littleton Academy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2023 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2023 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Littleton Academy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2022 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2022 | Littleton Academy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2021 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2021 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2021 | Littleton Academy Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2020 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2019 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Massachusetts Cheese Guild Inc | 990EZ | Director | 3 | $0 | $0 | View return |
| 2017 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2017 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Addison County Home Health & Hospice Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2016 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2016 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Addison County Home Health & Hospice Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2015 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2015 | Addison County Home Health & Hospice Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 1 | $0 | $0 | View return |
| 2014 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Senior New Ways Inc | 990EZ | Director | 0 | $0 | $0 | View return |
| 2014 | Addison County Home Health & Hospice Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2013 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2013 | Senior New Ways Inc | 990EZ | Director | 0 | $0 | $0 | View return |
| 2013 | Addison County Home Health & Hospice Inc. | 990 | Board Of Directors | 0 | $0 | $0 | View return |
| 2013 | Montgomery County Lands Trust Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Natural Lands Trust Incorporated | 990 | Trustee | 1 | $0 | $0 | View return |
| 2012 | Energy Literacy Advocates Fka the Commonsense Coalition Inc | 990PF | Chairman | 0 | $0 | - | View return |
| 2012 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 0 | $0 | - | View return |
| 2012 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 0 | $0 | - | View return |
| 2011 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 0 | $0 | - | View return |
| 2011 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 0 | $0 | - | View return |
| 2011 | Energy Literacy Advocates Fka the Commonsense Coalition Inc | 990PF | Chairman | 0 | $0 | - | View return |
| 2010 | The Mr and Mrs Robert J Stetson Foundation | 990PF | Treasurer | 0 | $0 | - | View return |
| 2010 | The Mr and Mrs Robert J Stetson Foundation | 990PF | President | 0 | $0 | - | View return |