| 2025 | Flagg Foundation Inc. | 990PF | Treasurer | 1 | $0 | - | View return |
| 2025 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | $0 | View return |
| 2024 | Flagg Foundation Inc. | 990PF | Treasurer | 1 | $0 | - | View return |
| 2024 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | $0 | View return |
| 2024 | Masonic Home of Missouri | 990 | Director | 1.4 | $0 | $0 | View return |
| 2023 | Flagg Foundation Inc. | 990PF | Treasurer | 1 | $0 | - | View return |
| 2023 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2023 | Masonic Scholarship Fund of Missouri Inc | 990EZ | Board Member | 1 | $0 | $0 | View return |
| 2022 | Virginia Municipal Stormwater Association Inc | 990 | President | 3 | $0 | $0 | View return |
| 2022 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2022 | Flagg Foundation Inc. | 990PF | Treasurer | 1 | $0 | - | View return |
| 2022 | Missouri Masonic Foundation for the Prevention of Substance Abuse Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Grand Lodge of Missouri Af & Am | 990 | Junior Grand Deacon | 1 | $0 | $0 | View return |
| 2021 | Michael Flagg Sr Foundation | 990EZ | President | 10 | $0 | $0 | View return |
| 2021 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2021 | Flagg Foundation Inc. | 990PF | Co-Vice President | 1 | $0 | - | View return |
| 2021 | Virginia Municipal Stormwater Association Inc | 990 | President | 3 | $0 | $0 | View return |
| 2021 | Missouri Masonic Foundation for the Prevention of Substance Abuse Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2021 | Grand Lodge of Missouri Af & Am | 990 | Senior Grand Steward | 1 | $0 | $0 | View return |
| 2020 | Flagg Foundation Inc. | 990PF | Co-Vice President | 1 | $0 | - | View return |
| 2020 | Virginia Municipal Stormwater Association Inc | 990 | Vice Presi | 2 | $0 | $0 | View return |
| 2020 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2020 | Michael Flagg Sr Foundation | 990EZ | President | 10 | $0 | - | View return |
| 2020 | Missouri Masonic Foundation for the Prevention of Substance Abuse Inc. | 990 | Board Member | 1 | $0 | $0 | View return |
| 2020 | Grand Lodge of Missouri Af & Am | 990 | Junior Grand Steward | 1 | $0 | $0 | View return |
| 2020 | Masonic Home of Missouri | 990 | Secretary | 2 | $0 | $0 | View return |
| 2019 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2019 | Virginia Municipal Stormwater Association Inc | 990 | Vice Presi | 2 | $0 | $0 | View return |
| 2019 | Michael Flagg Sr Foundation | 990EZ | President | 10 | $0 | - | View return |
| 2019 | Masonic Home of Missouri | 990 | Secretary | 4 | $0 | $0 | View return |
| 2018 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2018 | Virginia Municipal Stormwater Association Inc | 990 | Vice Presi | 2 | $0 | $0 | View return |
| 2018 | Masonic Home of Missouri | 990 | Director | 3 | $0 | $0 | View return |
| 2018 | Michael Flagg Sr Foundation | 990EZ | President | 10 | $0 | - | View return |
| 2017 | Masonic Home of Missouri | 990 | Director | 2 | $0 | $0 | View return |
| 2017 | The Lodge Building Association of Columbia Mo | 990EZ | Treasurer | 0.1 | $0 | - | View return |
| 2016 | The Lodge Building Association of Columbia Mo | 990EZ | Representative | 0.1 | $0 | - | View return |
| 2015 | The Guardians of the Los Angeles Jewish Home for the Aging | 990EZ | Director | 0 | $0 | - | View return |
| 2015 | Rotary Club of Jackson Foundation | 990EZ | President | 10 | $0 | $0 | View return |
| 2015 | Arbor Falls Foundation C/O Harrison & Held LLP | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2014 | Arbor Falls Foundation C/O Harrison & Held LLP | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2014 | Rotary Club of Jackson Foundation | 990EZ | President Elect | 5 | $0 | $0 | View return |
| 2014 | The Guardians of the Los Angeles Jewish Home for the Aging | 990 | Director | 0 | $0 | $0 | View return |
| 2013 | Arbor Falls Foundation C/O Harrison & Held LLP | 990PF | Secretary/Director | 1 | $0 | $0 | View return |
| 2013 | The Guardians of the Los Angeles Jewish Home for the Aging | 990 | Director | 0 | $0 | $0 | View return |