| 2024 | Sonoma Plein Air Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0.1 | $0 | $0 | View return |
| 2023 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2023 | Sonoma Plein Air Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2021 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2019 | Sonoma Valley Teen Services | 990 | Board Member | 0.75 | $0 | $0 | View return |
| 2018 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2017 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2016 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2015 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2014 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2013 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2012 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2011 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |
| 2010 | The Clark-Janis Family Foundation C/O Mary Clark Janis | 990PF | Director, President, Treas | 0 | $0 | $0 | View return |