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.
WEISSMAN, IRVING
Individual donor · STANFORD, CA· STANFORD UNIVERSITY (SCIENTIST)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2024 | Democratic | $11,800 | $0 |
| 2022 | Democratic | $19,200 | $0 |
| 2020 | Democratic | $14,550 | $0 |
| 2018 | Democratic | $3,550 | $0 |
| 2018 | Republican | $250 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2024 | MARKEY, EDWARD SEN. | Democratic | Contribution | For | $6,600 | 2 | 2023-10-25 | latest filing |
| 2024 | GRAY, ADAM C. | Democratic | Contribution | For | $3,300 | 1 | 2024-09-21 | filing |
| 2024 | TESTER, R. JON | Democratic | Contribution | For | $1,900 | 2 | 2023-03-31 | latest filing |
| 2022 | WYDEN, RONALD L. | Democratic | Contribution | For | $5,800 | 2 | 2021-07-20 | latest filing |
| 2022 | SCHUMER, CHARLES E. | Democratic | Contribution | For | $5,800 | 2 | 2021-07-20 | latest filing |
| 2022 | TRANEL, MONICA | Democratic | Contribution | For | $2,900 | 1 | 2022-07-13 | filing |
| 2022 | TESTER, R. JON | Democratic | Contribution | For | $2,700 | 2 | 2021-05-23 | latest filing |
| 2022 | WARNOCK, RAPHAEL | Democratic | Contribution | For | $1,000 | 1 | 2022-05-17 | filing |
| 2022 | ESHOO, ANNA G | Democratic | Contribution | For | $500 | 1 | 2021-11-03 | filing |
| 2022 | DEMINGS, VAL | Democratic | Contribution | For | $500 | 1 | 2022-01-13 | filing |
| 2020 | MCGRATH, AMY | Democratic | Contribution | For | $5,650 | 3 | 2020-06-11 | latest filing |
| 2020 | WILLIAMS, KATHLEEN | Democratic | Contribution | For | $3,300 | 2 | 2020-08-04 | latest filing |
| 2020 | OSSOFF, T. JONATHAN | Democratic | Contribution | For | $2,800 | 1 | 2020-12-04 | filing |
| 2020 | PORTER, KATHERINE | Democratic | Contribution | For | $2,800 | 1 | 2020-12-04 | filing |
| 2018 | TESTER, R. JON | Democratic | Contribution | For | $2,300 | 5 | 2018-09-06 | latest filing |
| 2018 | KIER, GRANT | Democratic | Contribution | For | $500 | 1 | 2017-12-31 | filing |
| 2018 | WILLIAMS, KATHLEEN | Democratic | Contribution | For | $500 | 1 | 2018-09-13 | filing |
| 2018 | MURKOWSKI, LISA | Republican | Contribution | For | $250 | 1 | 2018-10-08 | filing |
| 2018 | HEITKAMP, HEIDI | Democratic | Contribution | For | $250 | 1 | 2018-10-08 | filing |