| $50,000 | Dec 12, 2014 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $50,000 | Dec 12, 2014 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $10,500 | Oct 15, 2014 | The Chicago Committee | President | John Buck Co. |
| $10,500 | Oct 15, 2014 | The Chicago Committee | President | John Buck Co. |
| $5,300 | Dec 6, 2013 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $5,300 | Dec 6, 2013 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $5,300 | Dec 6, 2013 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $200 | Sep 2, 2011 | Cook County Democratic Party | — | — |
| $500 | Mar 31, 2011 | 25th Ward Regular Democratic Organization | — | — |
| $5,000 | Feb 22, 2011 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $5,000 | Feb 22, 2011 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $5,000 | Feb 1, 2011 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $5,000 | Feb 1, 2011 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $5,000 | Feb 1, 2011 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $5,000 | Feb 1, 2011 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $10,000 | Dec 6, 2010 | Chicago for Rahm Emanuel | President | John Buck Co. |
| $10,000 | Nov 17, 2010 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $10,000 | Nov 17, 2010 | Gery Chico for Mayor | Chairman and Chief Executive Officer | The John Buck Company |
| $450 | Nov 1, 2007 | Committee to Elect Anne M Burke | — | — |
| $450 | Nov 1, 2007 | Committee to Elect Anne M Burke | — | — |
| $10,000 | Jan 17, 2007 | Richard M Daley Campaign Comm | CEO | The John Buck Company |
| $10,000 | Jan 17, 2007 | Richard M Daley Campaign Comm | CEO | The John Buck Company |
| $1,000 | Feb 13, 2003 | Richard M Daley Campaign Comm | — | — |
| $1,000 | Feb 13, 2003 | Richard M Daley Campaign Comm | CEO | The John Buck Company |
| $1,000 | Feb 13, 2003 | Richard M Daley Campaign Comm | CEO | The John Buck Company |
| $1,550 | Nov 28, 2001 | Richard M Daley Campaign Comm | CEO | The John Buck Company |
| $600 | Sep 11, 2000 | 25th Ward Regular Democratic Organization | good faith effort | good faith effort |
| $600 | Sep 11, 2000 | 25th Ward Regular Democratic Organization | good faith effort | good faith effort |
| $600 | Sep 11, 2000 | 25th Ward Regular Democratic Organization | good faith effort | good faith effort |
| $14,000 | Jun 28, 2000 | Citizens for James M Houlihan | President | John A. Buck Co. |
| $14,000 | Jun 28, 2000 | Citizens for James M Houlihan | President | John A. Buck Co. |
| $1,500 | Dec 6, 1999 | Friends of Edward M Burke | Developer | Self |
| $300 | Nov 17, 1999 | Friends of Edward M Burke | — | — |