| 2025 | The Rig III Family Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2024 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2023 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Rig III Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Rig III Family Foundation | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Winous Point Shooting Club | 990 | Vice President | 4 | $0 | $0 | View return |
| 2017 | Winous Point Marsh Conservancy | 990 | Vice President | 4 | $0 | $0 | View return |
| 2016 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Winous Point Shooting Club | 990 | Vice President | 4 | $0 | $0 | View return |
| 2016 | Winous Point Marsh Conservancy | 990 | Vice President | 4 | $0 | $0 | View return |
| 2015 | Winous Point Marsh Conservancy | 990 | Vice President | 4 | $0 | $0 | View return |
| 2015 | Winous Point Shooting Club | 990 | Vice President | 4 | $0 | $0 | View return |
| 2015 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2014 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Winous Point Marsh Conservancy | 990 | Vice President | 4 | $0 | $0 | View return |
| 2014 | Winous Point Shooting Club | 990 | Vice President | 4 | $0 | $0 | View return |
| 2013 | Norton-White-Gale Trust | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Winous Point Marsh Conservancy | 990 | Vice President | 4 | $0 | $0 | View return |
| 2013 | Winous Point Shooting Club | 990 | Vice President | 4 | $0 | $0 | View return |
| 2013 | Therapeutic Riding Center Foundation | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2012 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2011 | The Rig III Family Foundation | 990PF | Trustee | 1 | $0 | - | View return |
| 2010 | The Rig III Family Foundation | 990PF | Trustee | 0 | $0 | - | View return |