Candidate for U.S. Senate, Maine, 2026
David Costello
Not on the November ballot
Fundraising
- Raised
- $154K
- Spent
- $154K
- Cash on hand
- $0
- Reported through
- Aug 26, 2026
The race
Full raceSeat currently held by Susan M. Collins (Republican).
- DGraham PlatnerChallenger$21.1M
- RSusan M. CollinsIncumbent$18.9M
- DJanet Trafton MillsChallenger$6.1M
- DJordan WoodChallenger$6.0M
- DDan KlebanChallenger$459K
- DShenna BellowsChallenger$381K
- DDaira RodriguezChallenger$243K
- DPaige LoudChallenger$61K
Background
We haven’t compiled a background record for David Costello yet. Oathstar is adding sourced résumés for candidates: experience, education and public record, each linked to where it came from.