| 2024 | Wisconsin Alumni Research Foundation | 990 | Trustee (Until 10/12/23) | 2 | $0 | $0 | View return |
| 2024 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2024 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $18,000 | $0 | View return |
| 2023 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2023 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2023 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $21,000 | $0 | View return |
| 2022 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2022 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2022 | Friends of the University of Hong Kong Ltd. | 990EZ | Director | 1 | $0 | - | View return |
| 2021 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $27,000 | $0 | View return |
| 2021 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2021 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2020 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $32,000 | $0 | View return |
| 2020 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2020 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2020 | Friends of the University of Hong Kong Ltd. | 990EZ | Director | 1 | $0 | - | View return |
| 2019 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $24,375 | $0 | View return |
| 2019 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2019 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2019 | The Tong Family Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2019 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Wisconsin Alumni Research Foundation | 990 | Trustee/Chair | 4 | $34,000 | $0 | View return |
| 2018 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2018 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2018 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2017 | Wisconsin Alumni Research Foundation | 990 | Trustee/Chair | 6 | $47,000 | $5,000 | View return |
| 2017 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2017 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2017 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Wisconsin Alumni Research Foundation | 990 | Trustee/Chair | 6 | $22,625 | $0 | View return |
| 2016 | The Morgridge Institute for Research Inc | 990 | Trustee | 2 | $5,000 | $47,000 | View return |
| 2016 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2016 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Wisconsin Alumni Research Foundation | 990 | Trustee/Chair | 5 | $16,750 | $0 | View return |
| 2015 | The Morgridge Institute for Research Inc | 990 | Trustee | 2 | $0 | $22,625 | View return |
| 2015 | The Black Star Project | 990 | Director | - | $0 | $0 | View return |
| 2015 | Tongs Charity Foundation | 990PF | Officer | 1 | $0 | $0 | View return |
| 2015 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | Wisconsin Alumni Research Foundation | 990 | Trustee | 2 | $17,500 | $0 | View return |
| 2014 | The Black Star Project | 990 | Director | 0 | $0 | $0 | View return |
| 2014 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | The Black Star Project | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Friends of the University of Hong Kong Ltd. | 990 | Director | 1 | $0 | $0 | View return |