| 2024 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $6,040 | $0 | View return |
| 2024 | Koch Family Foundation Inc | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2024 | Greenseam Futures | 990EZ | Chair | 0 | $0 | - | View return |
| 2024 | Highlands at Long Hill Homeowners | 990EZ | President | 0 | $0 | - | View return |
| 2024 | Gary and Donna Koch Family Foundation Inc. | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $4,866 | $0 | View return |
| 2023 | Koch Family Foundation Inc | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2023 | Greenseam Futures | 990EZ | Chair | 1 | $0 | - | View return |
| 2023 | Gary and Donna Koch Family Foundation Inc. | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | Greater Mankato Growth Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | North Florida Pga Foundation Inc. | 990EZ | Director | 1 | $0 | $0 | View return |
| 2022 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $5,947 | $0 | View return |
| 2022 | Koch Family Foundation Inc | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2022 | Greater Mankato Growth Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2022 | Greenseam Futures | 990EZ | Chair | 1 | $0 | - | View return |
| 2022 | American Legion Paschall Post 164 | 990 | Finance Officer | 0 | $0 | $0 | View return |
| 2021 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $5,097 | $0 | View return |
| 2021 | Greater Mankato Growth Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Koch Family Foundation Inc | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2020 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $5,836 | $0 | View return |
| 2020 | Greater Mankato Growth Inc | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Shipley Homestead Homeowners Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | International Association of Lions Clubs Glencoe Lions | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Koch Family Foundation Inc | 990PF | President/Treasurer | 0 | $0 | $0 | View return |
| 2019 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $8,344 | $0 | View return |
| 2018 | Louis Greenspan Charitable Trust | 990PF | Trustee | 4 | $6,543 | $0 | View return |
| 2018 | Western-Washtenaw Area Value Express | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Bay Area Club Inc. | 990 | Vice President | 2 | $0 | $0 | View return |
| 2018 | New Ulm Turnverein | 990 | Director | 0.25 | $0 | $0 | View return |
| 2017 | Louis Greenspan Charitable Trust | 990PF | Trustee | 10 | $4,618 | $0 | View return |
| 2017 | Western-Washtenaw Area Value Express | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Bay Area Club Inc. | 990 | President | 20 | $0 | $0 | View return |
| 2017 | New Ulm Turnverein | 990 | Director | 0.25 | $0 | $0 | View return |
| 2016 | Louis Greenspan Charitable Trust | 990PF | Trustee | 2 | $5,503 | $0 | View return |
| 2016 | Rotary Club of Richmond Hill | 990EZ | Service Dire | 5 | $0 | - | View return |
| 2016 | Bay Area Club Inc. | 990 | President | 20 | - | - | View return |
| 2016 | Western-Washtenaw Area Value Express | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | New Ulm Turnverein | 990 | Director | 0.25 | $0 | $0 | View return |
| 2015 | Louis Greenspan Charitable Trust | 990PF | Trustee | 10 | $6,127 | $0 | View return |
| 2015 | Bay Area Club Inc. | 990 | Vice President | 2 | - | - | View return |
| 2015 | Western-Washtenaw Area Value Express | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | New Ulm Turnverein | 990 | Director | 0.25 | $0 | $0 | View return |
| 2014 | Louis Greenspan Charitable Trust | 990PF | Trustee | 10 | $6,668 | $0 | View return |
| 2014 | Western-Washtenaw Area Value Express | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | New Ulm Turnverein | 990 | Director | - | $0 | $0 | View return |
| 2014 | New Ulm Turnverein | 990 | Director | - | $0 | $0 | View return |
| 2014 | Chicago District Golf Association | 990 | Vice President At Large | 1 | $0 | $0 | View return |
| 2013 | Louis Greenspan Charitable Trust | 990PF | Trustee | 10 | $6,788 | $0 | View return |
| 2013 | New Ulm Turnverein | 990 | Director | - | $0 | $0 | View return |
| 2013 | Chicago District Golf Association | 990 | Vice-President At Large | 1 | $0 | $0 | View return |
| 2011 | Louis Greenspan Charitable Trust | 990PF | Trustee | 10 | $4,175 | $0 | View return |