| 2024 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $151,890 | $0 | View return |
| 2024 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $151,890 | View return |
| 2023 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $148,969 | $0 | View return |
| 2023 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $148,969 | View return |
| 2021 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $141,664 | $0 | View return |
| 2021 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $141,664 | View return |
| 2020 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $146,344 | $0 | View return |
| 2020 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $146,344 | View return |
| 2019 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $134,269 | $0 | View return |
| 2019 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $134,269 | View return |
| 2018 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $134,656 | $0 | View return |
| 2018 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $134,656 | View return |
| 2017 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $131,101 | $0 | View return |
| 2017 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $131,101 | View return |
| 2016 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $128,149 | $0 | View return |
| 2016 | E C Hallbeck Memorial Scholarship Fund | 990 | Asst Director B Clerk Div | 1 | $0 | $128,149 | View return |
| 2015 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $126,532 | $0 | View return |
| 2014 | American Postal Workers Union AFL-CIO | 990 | Asst Director B Clerk Div | 40 | $132,865 | $0 | View return |
| 2013 | American Postal Workers Union AFL-CIO | 990 | Nba C Chicago Reg | 40 | $97,522 | $0 | View return |