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.
OSTER, ROBERT
Individual donor · ATHERTON, CA· SELF EMPLOYED (PRIVATE INVESTOR)
Summary by party and cycle
| Cycle | Candidate party | For | Against |
|---|---|---|---|
| 2026 | Republican | $16,870 | $0 |
Details by candidate
| Cycle | Candidate | Party | How | For or against | Amount | Gifts | Latest | Source |
|---|---|---|---|---|---|---|---|---|
| 2026 | CASSIDY, WILLIAM M. | Republican | Contribution | For | $9,870 | 1 | 2025-09-27 | filing |
| 2026 | COLLINS, SUSAN M. | Republican | Contribution | For | $7,000 | 2 | 2025-09-30 | latest filing |