| 2025 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2024 | Agros International | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Climate Impact Lab Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2024 | Rotary Club of Summit County | 990EZ | Board Member | 2 | $0 | $0 | View return |
| 2024 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Climate Impact Lab Inc. | 990 | Director | 0 | $0 | $0 | View return |
| 2023 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2023 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2023 | Agros International | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2022 | Agros International | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Realtor Assoc of the Fox Valley Inc | 990 | Director | - | $0 | $0 | View return |
| 2022 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2021 | Agros International | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2021 | Realtor Assoc of the Fox Valley Inc | 990 | Director | - | $0 | $0 | View return |
| 2021 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | 0.25 | $0 | $0 | View return |
| 2020 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 5 | $0 | $0 | View return |
| 2020 | Realtor Assoc of the Fox Valley Inc | 990 | Director | - | $0 | $0 | View return |
| 2020 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2019 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2019 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2019 | Realtor Assoc of the Fox Valley Inc | 990 | Director | - | $0 | $0 | View return |
| 2018 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | $0 | View return |
| 2018 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2018 | Agros International | 990 | Vice Chair | 3 | $0 | $0 | View return |
| 2017 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 2 | $0 | $0 | View return |
| 2017 | Riverwoods Christian Center DBA Fox Valley Christian Action | 990 | Chair, Part-Yr | 1 | $0 | $0 | View return |
| 2017 | Huntington Symphony Orchestra Association Inc. | 990 | Board Member | - | $0 | $0 | View return |
| 2016 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2016 | Riverwoods Christian Center DBA Fox Valley Christian Action | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2015 | Riverwoods Christian Center DBA Fox Valley Christian Action | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2015 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2014 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2014 | Riverwoods Christian Center DBA Fox Valley Christian Action | 990 | Board Member | 1 | $0 | $0 | View return |
| 2013 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2012 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2011 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2011 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |
| 2010 | Robert & Deborah Kopp Family Foundation Inc | 990PF | Pres/Treas | 0 | $0 | - | View return |