Donations can be made to political candidates in various amounts. The FEC regulates these donations, and individual groups, excluding PACs, must disclose donations over $250 per year.
The following table lists top 100 contributions donated to Sean Casten's campaign in March.
| Rank | Contributor | Amount |
|---|---|---|
| 1 | Michael D. Bills | $5,600 |
| 1 | Audrey Cappell | $5,600 |
| 1 | Jacob Cappell | $5,600 |
| 1 | Nat Simons | $5,600 |
| 5 | Stephen M. Crandall | $5,300 |
| 6 | Lois Gunther | $2,800 |
| 6 | Richard Gunther | $2,800 |
| 6 | Bonnie M. Wheaton | $2,800 |
| 6 | David Giuliani | $2,800 |
| 6 | Patricia Giuliani | $2,800 |
| 6 | Andrew Hale | $2,800 |
| 6 | Cameron Avery | $2,800 |
| 6 | Anke Faber | $2,800 |
| 6 | Jonathan Grodnick | $2,800 |
| 6 | James Simons | $2,800 |
| 6 | James S. Kerby | $2,800 |
| 6 | Daniel E. Levin | $2,800 |
| 6 | Shawn Kasserman | $2,800 |
| 6 | John Vogelstein | $2,800 |
| 6 | Jennifer Waldron | $2,800 |
| 6 | Robert Gorski | $2,800 |
| 6 | Timothy Heverin | $2,800 |
| 6 | James Cahalan | $2,800 |
| 6 | Suzanne M. Cahalan | $2,800 |
| 6 | Catherine Knott | $2,800 |
| 6 | Robert Knott | $2,800 |
| 27 | Erica Andreae | $2,700 |
| 28 | Ben Bogner | $2,600 |
| 29 | Ronald Lasken | $2,505 |
| 30 | Dennis Black | $2,500 |
| 31 | Paula M. Uscian | $2,000 |
| 31 | Leda Mcintyre Hall | $2,000 |
| 31 | Arnold Hiatt | $2,000 |
| 31 | Robin S. Tryloff | $2,000 |
| 35 | Laurie M. Pearsall | $1,500 |
| 35 | Emory A. Griffin | $1,500 |
| 35 | Grace Newton | $1,500 |
| 35 | Curtis Maas | $1,500 |
| 39 | Carolyn Conlee | $1,100 |
| 40 | James Stark | $1,075 |
| 41 | Susan Himmelfarb | $1,025 |
| 42 | Kenneth Africano | $1,000 |
| 42 | Robert A. Wislow | $1,000 |
| 42 | Mary Anne Wexler | $1,000 |
| 42 | Margaret F. Wilhelm | $1,000 |
| 42 | Frank F. Islam | $1,000 |
| 42 | Ann S. Nerad | $1,000 |
| 42 | Larry Hoellwarth | $1,000 |
| 42 | Gretta A. Tameling | $1,000 |
| 42 | Wendy Abrams | $1,000 |
| 42 | Douglas Doetsch | $1,000 |
| 42 | Bruce A. Lane | $1,000 |
| 42 | Alma Kubota | $1,000 |
| 42 | Debra Shore | $1,000 |
| 42 | Sig Anderman | $1,000 |
| 42 | Mary Stowell | $1,000 |
| 42 | David Fischer | $1,000 |
| 42 | Ken A. Eisenberg | $1,000 |
| 42 | Janet Zelenka | $1,000 |
| 42 | Mary Jo G. Schuler | $1,000 |
| 42 | Chanda Thapa | $1,000 |
| 42 | William A. Rowe Jr. | $1,000 |
| 42 | James Kevin Scott | $1,000 |
| 42 | Andrew Lerner | $1,000 |
| 42 | Kristie Paskvan | $1,000 |
| 42 | Sylvia Sabel | $1,000 |
| 42 | Molly Mcginnis Knapke | $1,000 |
| 42 | Daniel Lastres | $1,000 |
| 42 | Nancy Hanson | $1,000 |
| 42 | Bruce Robert Pfaff | $1,000 |
| 42 | Mark Ofriel | $1,000 |
| 42 | Russell Childs | $1,000 |
| 42 | Hope Harrington | $1,000 |
| 74 | Byron Miller | $950 |
| 75 | Joshua Boger | $833 |
| 75 | Marc Fenton | $833 |
| 75 | Sidney Topol | $833 |
| 78 | Anthony T. Dean | $800 |
| 78 | Benjamin Crane | $800 |
| 80 | Elisa D. Harris | $750 |
| 81 | William Greenberg | $600 |
| 82 | Richard J. Treonis | $525 |
| 83 | Stephen Slivka | $515 |
| 84 | Lucy B. Ascoli | $500 |
| 84 | Michael Sheehy | $500 |
| 84 | Jack Wuest | $500 |
| 84 | Matthew Feldman | $500 |
| 84 | Kate Morrison | $500 |
| 84 | Scott Smith | $500 |
| 84 | Gary J. Tomlinson | $500 |
| 84 | Marcia A. Hamilton | $500 |
| 84 | Lanny Wilson | $500 |
| 84 | Cynthia Murray | $500 |
| 84 | James W. Nelson | $500 |
| 84 | Lowell E. Sachnoff | $500 |
| 84 | Starling Lawrence | $500 |
| 84 | Judi Lapinsohn | $500 |
| 84 | Louis Gale | $500 |
| 84 | Charles Gardner | $500 |
| 84 | Joan F. Pine | $500 |

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