Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
HAMM, HAROLD
Individual donor · OKLAHOMA CITY, OK· CONTINENTAL RESOURCES (CHAIR)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2026 | Republican | $4,500 | $0 |
| 2024 | Republican | $12,600 | $0 |
| 2022 | Republican | $28,600 | $0 |
| 2020 | Republican | $24,300 | $0 |
| 2018 | Republican | $23,200 | $0 |
| 2016 | Republican | $10,800 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | FEDORCHAK, JULIE | Republican | Contribution | For | $3,500 | 1 | 2025-06-21 | filing |
| 2026 | CRABTREE, CASEY | Republican | Contribution | For | $1,000 | 1 | 2025-09-03 | filing |
| 2024 | FEDORCHAK, JULIE | Republican | Contribution | For | $3,300 | 1 | 2024-05-17 | filing |
| 2024 | HOGAN, LARRY | Republican | Contribution | For | $3,300 | 1 | 2024-10-31 | filing |
| 2024 | JUSTICE, JAMES CONLEY II | Republican | Contribution | For | $2,500 | 1 | 2024-01-26 | filing |
| 2024 | BARRASSO, JOHN A | Republican | Contribution | For | $2,500 | 1 | 2024-05-02 | filing |
| 2024 | SMITH, JASON T | Republican | Contribution | For | $1,000 | 1 | 2024-05-23 | filing |
| 2022 | WALKER, HERSCHEL | Republican | Contribution | For | $5,800 | 1 | 2022-05-10 | filing |
| 2022 | TSHIBAKA, KELLY | Republican | Contribution | For | $5,800 | 1 | 2022-06-08 | filing |
| 2022 | GRASSLEY, CHARLES E | Republican | Contribution | For | $5,000 | 1 | 2022-02-11 | filing |
| 2022 | HOEVEN, JOHN | Republican | Contribution | For | $3,300 | 2 | 2022-03-14 | latest filing |
| 2022 | HERN, KEVIN | Republican | Contribution | For | $2,900 | 1 | 2021-07-23 | filing |
| 2022 | LUCAS, FRANK D. | Republican | Contribution | For | $2,900 | 1 | 2022-05-23 | filing |
| 2022 | OZ, MEHMET | Republican | Contribution | For | $2,900 | 1 | 2022-07-19 | filing |
| 2020 | ROUNDS, MIKE | Republican | Contribution | For | $5,600 | 2 | 2019-04-24 | latest filing |
| 2020 | TILLIS, THOM R SEN | Republican | Contribution | For | $5,600 | 2 | 2019-06-30 | latest filing |
| 2020 | GARDNER, CORY | Republican | Contribution | For | $5,000 | 2 | 2019-03-27 | latest filing |
| 2020 | LOEFFLER, KELLY | Republican | Contribution | For | $2,800 | 1 | 2020-11-20 | filing |
| 2020 | PERDUE, DAVID | Republican | Contribution | For | $2,800 | 1 | 2020-12-08 | filing |
| 2020 | ROSENDALE, MATT | Republican | Contribution | For | $2,500 | 1 | 2020-06-26 | filing |
| 2018 | MCSALLY, MARTHA | Republican | Contribution | For | $5,400 | 2 | 2018-04-26 | latest filing |
| 2018 | BARRASSO, JOHN A | Republican | Contribution | For | $5,400 | 2 | 2018-06-12 | latest filing |
| 2018 | PENCE, GREGORY J. | Republican | Contribution | For | $2,700 | 1 | 2018-03-05 | filing |
| 2018 | HERN, KEVIN | Republican | Contribution | For | $2,700 | 1 | 2018-03-28 | filing |
| 2018 | MESSER, ALLEN LUCAS | Republican | Contribution | For | $2,500 | 1 | 2018-05-16 | filing |
| 2018 | HOEVEN, JOHN | Republican | Contribution | For | $2,500 | 1 | 2018-10-17 | filing |
| 2018 | GIANFORTE, GREG | Republican | Contribution | For | $1,000 | 1 | 2018-05-01 | filing |
| 2018 | COLE, TOM | Republican | Contribution | For | $1,000 | 1 | 2018-05-14 | filing |
| 2016 | MURKOWSKI, LISA | Republican | Contribution | For | $5,400 | 2 | 2015-06-22 | latest filing |
| 2016 | HOEVEN, JOHN | Republican | Contribution | For | $5,400 | 2 | 2015-08-31 | latest filing |