| 2024 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 2 | $0 | $0 | View return |
| 2024 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | The Harry Frank Guggenheim Foundation | 990PF | Chairman Emeritus | 1 | $0 | $0 | View return |
| 2023 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2023 | Jupiter Island Arts Council Inc | 990 | Vice President & Director | 0.5 | $0 | $0 | View return |
| 2023 | The Harry Frank Guggenheim Foundation | 990PF | Chairman (Outgoing) | 1 | $0 | $0 | View return |
| 2023 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2022 | Jupiter Island Arts Council Inc | 990 | Director | 0.5 | $0 | $0 | View return |
| 2022 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2021 | Jupiter Island Arts Council Inc | 990 | Vice President & Director | 0.5 | $0 | $0 | View return |
| 2021 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2021 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2020 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2020 | Jupiter Island Arts Council Inc | 990EZ | Vice President & Director | 0.5 | $0 | $0 | View return |
| 2020 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2019 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2019 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | Jupiter Island Arts Council Inc | 990EZ | Vice President & Director | 0.5 | $0 | $0 | View return |
| 2019 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2019 | Solomon R Guggenheim Foundation | 990 | Trustee | 3 | $0 | $0 | View return |
| 2018 | Jupiter Island Arts Council Inc | 990EZ | Vice President & Director | 0.5 | $0 | $0 | View return |
| 2018 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2018 | Solomon R Guggenheim Foundation | 990 | Trustee/Honorary Chair | 3 | $0 | $0 | View return |
| 2017 | The Harry Frank Guggenheim Foundation | 990PF | Chairman | 1 | $0 | $0 | View return |
| 2017 | The Lawson-Johnston Family Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | The Pilgrims of the United States | 990EZ | Treasurer | 0.05 | $0 | $0 | View return |
| 2015 | The Pilgrims of the United States | 990EZ | Treasurer | 0.05 | $0 | $0 | View return |
| 2014 | The Pilgrims of the United States | 990EZ | Treasurer | 0.05 | $0 | $0 | View return |
| 2013 | The Pilgrims of the United States | 990EZ | Treasurer | 0.05 | $0 | $0 | View return |