| 2024 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2024 | Loeb Charitable Foundation | 990PF | Treasurer & Secretary/Director | 2 | $0 | $0 | View return |
| 2024 | Pomona College | 990 | Trustee/Board Vice Chair | 2 | $0 | $0 | View return |
| 2023 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2023 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2023 | Pomona College | 990 | Trustee/Board Vice Chair | 2 | $0 | $0 | View return |
| 2022 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2022 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2022 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2021 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2021 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2020 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2020 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2019 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Dir./Treas. | 2 | $0 | $0 | View return |
| 2019 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Pomona College | 990 | Trustee/Board Vice Chair | 2 | $0 | $0 | View return |
| 2016 | Cascade Public Media | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2016 | Jewish Federation of Greater Seattle | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2016 | Rainier Club Historic Foundation | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2016 | Pomona College | 990 | Trustee/Board Vice Chair | 3 | $0 | $0 | View return |
| 2015 | Rainier Club Historic Foundation | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2015 | Pomona College | 990 | Trustee/Board Vice Chair | 2 | $0 | $0 | View return |
| 2015 | Cascade Public Media | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2015 | Pomona College | 990 | Trustee/Board Vice Chair | 2 | $0 | $0 | View return |
| 2014 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Treas/Director | 2 | $0 | $0 | View return |
| 2014 | Rainier Club Historic Foundation | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2014 | Museum of Glass | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2014 | Jewish Federation of Greater Seattle | 990 | Vice Chair | 0.5 | $0 | $0 | View return |
| 2014 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Treas/Director | 2 | $0 | $0 | View return |
| 2013 | Museum of Glass | 990 | Past Chair | 1 | $0 | $0 | View return |
| 2013 | Jewish Federation of Greater Seattle | 990 | Secretary | 0.5 | $0 | $0 | View return |
| 2013 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2013 | Pomona College | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | Rainier Club Historic Foundation | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2012 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Treas/Director | 2 | $0 | - | View return |
| 2012 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | $0 | View return |
| 2011 | Loeb Charitable Foundation | 990PF | Treasurer/Director | 2 | $0 | - | View return |
| 2010 | Stephen and Dianne Loeb Family Foundation C/O Pmnw LLC | 990PF | Pres/Treas/Director | 2 | $0 | $0 | View return |
| 2010 | Loeb Charitable Foundation | 990PF | Treasurer | 2 | $0 | - | View return |