Federal campaign finance and roll-call votesFEC data through Jun 26, 2026

Koster, Karl

Brookline, MA · Mit · University Administrator

$25,950
Total given
86
Contributions
Jun 7, 2020
First on record

FEC data through Jun 26, 2026

Contribution ledger

86 records
DateRecipient committeeAmountFiling
Sep 18, 2024Biden for President$100.00view
Sep 12, 2024DCCC$50.00view
Aug 27, 2024DCCC$50.00view
Aug 12, 2024DCCC$50.00view
Jul 28, 2024DCCC$50.00view
Jul 14, 2024DCCC$50.00view
Jun 27, 2024DCCC$50.00view
Jun 12, 2024DCCC$50.00view
May 27, 2024DCCC$50.00view
May 12, 2024DCCC$50.00view
Sep 30, 2020ActBlue$250.00view
Sep 30, 2020ActBlue$250.00view
Sep 30, 2020ActBlue$250.00view
Sep 30, 2020Sara Gideon for Maine$250.00view
Sep 30, 2020Montanans for Bullock$250.00view
Sep 30, 2020Jaime Harrison for US Senate$500.00view
Sep 30, 2020Jon Ossoff for Senate$250.00view
Sep 30, 2020Cal for NC$250.00view
Sep 30, 2020Theresa Greenfield for Iowa$250.00view
Sep 30, 2020ActBlue$250.00view
Sep 30, 2020ActBlue$250.00view
Sep 30, 2020ActBlue$500.00view
Sep 14, 2020Theresa Greenfield for Iowa$500.00view
Sep 13, 2020Sara Gideon for Maine$500.00view
Sep 13, 2020Montanans for Bullock$500.00view
Sep 13, 2020ActBlue$500.00view
Sep 13, 2020ActBlue$500.00view
Sep 13, 2020ActBlue$500.00view
Sep 13, 2020ActBlue$500.00view
Sep 13, 2020Cal for NC$500.00view
Sep 13, 2020Jaime Harrison for US Senate$500.00view
Sep 13, 2020ActBlue$500.00view
Aug 22, 2020Sara Gideon for Maine$500.00view
Aug 22, 2020Montanans for Bullock$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 22, 2020Theresa Greenfield for Iowa$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 22, 2020Jaime Harrison for US Senate$500.00view
Aug 22, 2020Jon Ossoff for Senate$500.00view
Aug 22, 2020Cal for NC$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 22, 2020ActBlue$500.00view
Aug 4, 2020DCCC$250.00view
Aug 4, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020SMP$250.00view
Jul 28, 2020DCCC$250.00view
Jul 28, 2020Montanans for Bullock$250.00view
Jul 28, 2020Sara Gideon for Maine$250.00view
Jul 28, 2020Biden for President$500.00view
Jul 28, 2020Hickenlooper for Colorado$250.00view
Jul 28, 2020Amy McGrath for Senate$250.00view
Jul 28, 2020Cal for NC$250.00view
Jul 28, 2020Mark Kelly for Senate$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$500.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jul 28, 2020ActBlue$250.00view
Jun 28, 2020ActBlue$250.00view
Jun 28, 2020ActBlue$250.00view
Jun 28, 2020Sara Gideon for Maine$250.00view
Jun 28, 2020Mark Kelly for Senate$250.00view
Jun 28, 2020ActBlue$250.00view
Jun 28, 2020Hickenlooper for Colorado$250.00view
Jun 28, 2020Cal for NC$250.00view
Jun 28, 2020ActBlue$250.00view
Jun 19, 2020SMP$200.00view
Jun 15, 2020DCCC$200.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020ActBlue$250.00view
Jun 7, 2020Cal for NC$250.00view
Jun 7, 2020Mark Kelly for Senate$250.00view
Jun 7, 2020Sara Gideon for Maine$250.00view
Jun 7, 2020Montanans for Bullock$250.00view
Jun 7, 2020Montanans for Bullock$250.00view
Jun 7, 2020Hickenlooper for Colorado$250.00view

Each filing link opens the original FEC document image. Itemized contributions only (generally those above the FEC’s $200 itemization threshold).