CC BY-SA 4.0
DemocratRunning for ME U.S. Senate · 2026
David Costello
David Vostell (born 10 October 1960) is a German-Spanish composer and film director.
Born 1960 · Cologne , West Germany
In brief
AI · verified vs data · 2026-07-03
Democrat David Costello is running for Maine's U.S. Senate seat in the 2026 general election. Born in 1960 in Cologne, West Germany, he is a composer and film director by profession. Costello has raised approximately $100,000 for his campaign. The race currently tilts Democratic in overall ratings.
Independence scorecard
Computed · FEC money mixWho Costello's money comes from.
A−
86/100
Independence index
Funding mix leans independent — pac independence is the standout.
0 watch items
Small-dollar reliance92
46% of individual + PAC money from donors under $200
PAC independence100
0% of individual + PAC money from PACs
In-state funding52
48% of itemized receipts come from out of state
Outside-money exposure100
No significant outside spending in support so far
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Donors & money
FEC itemized filings · cycle-to-dateWho funds the campaign.
$150k
Raised
$108k
Spent
$42k
Cash on hand
Source of funds · individual + PAC
46% small (<$200)54% large indiv.0% PAC
52% in-state · 48% out-of-state (itemized)
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-05-20 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Related prediction markets
All markets →Live contract prices tied to Costello and the seat. Prices are ¢-per-share of the YES outcome; context only, never merged into our polling averages.
Will the Democrats win the Maine Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Maine Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Maine?
predictit · Democratic Party
Which party will win the 2026 US Senate election in Maine?
predictit · Republican Party
Maine Senate winner? (Party)
Kalshi · vol $343k · Republican party
Maine Senate winner? (Party)
Kalshi · vol $480k · Democratic party
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: NENA09 · CC BY-SA 4.0 (WIKIMEDIA COMMONS)
Related coverage
abcnews.com · 2026-07-07
Maine Democratic Senate candidate Platner faces calls to withdraw after sexual assault allegation
nbcnews.com · 2026-07-07
Democratic hopes to win back the Senate hang by a thread as Graham Platner weighs dropping out
bbc.com · 2026-07-07
Top Democrats press Maine senate candidate to drop out of race over sexual assault allegation
newscentermaine.com · 2026-07-06
Leading Maine Democrats call on Graham Platner to withdraw from US Senate race amid sexual assault accusation
Democrat · ME U.S. Senate
David Costello
David Vostell (born 10 October 1960) is a German-Spanish composer and film director.
$150k
Raised
In brief
AI · verified vs data · 2026-07-03Democrat David Costello is running for Maine's U.S. Senate seat in the 2026 general election. Born in 1960 in Cologne, West Germany, he is a composer and film director by profession. Costello has raised approximately $100,000 for his campaign. The race currently tilts Democratic in overall ratings.
Governing & voting record
—
No legislative record
Roll-call votes and sponsored bills are collected for members of Congress from congress.gov. There is no roll-call source for this office yet.
Where they stand
—
Key positions not yet compiled
Positions are drawn from the candidate's public record and statements. We haven't compiled a verified set for this candidate yet.
Career & history
—
No career timeline
Career history is built from Wikipedia / Wikidata records. No matching public record was found for this candidate.
Public favorability
—
No favorability data
This candidate isn't tracked by YouGov's public-figure panel, and no published state polling on their favorability was found.
Independence scorecard
Who Costello's money comes from.
A−
86/100
Independence index
Funding mix leans independent — pac independence is the standout.
0 watch items
Small-dollar reliance92
46% of individual + PAC money from donors under $200
PAC independence100
0% of individual + PAC money from PACs
In-state funding52
48% of itemized receipts come from out of state
Outside-money exposure100
No significant outside spending in support so far
MONEY-MIX INDEX, COMPUTED FROM FEC FILINGS ONLY: SMALL-DOLLAR SHARE, PAC RELIANCE, IN-STATE MONEY AND OUTSIDE (IE) SPENDING. IT DOES NOT SCORE VOTES OR DONOR–VOTE ALIGNMENT. HIGHER = MORE INDEPENDENT · GREEN ≥70 · AMBER 50–69 · RED <50.
How they vote
—
No party-unity or ideology scores
Party-unity and DW-NOMINATE ideology scores are only available for candidates with a congressional roll-call record.
Ratings from advocacy groups
—
No advocacy-group ratings
Interest-group scorecards have no machine-readable feed — they're curated per candidate, and none are on file yet.
Donors & money
$150k
Raised
$108k
Spent
$42k
Cash on hand
Source of funds · individual + PAC
46% small (<$200)54% large indiv.0% PAC
52% in-state · 48% out-of-state (itemized)
OWN-COMMITTEE TOTALS FROM FEC FILINGS THROUGH 2026-05-20 · INDUSTRY GROUPS ARE ITEMIZED RECEIPTS CLASSIFIED BY EMPLOYER — A KEYWORD APPROXIMATION, NOT OPENSECRETS CODING.
Related prediction markets
All markets →Will the Democrats win the Maine Senate race in 2026?
Polymarket · Democrat
Will the Republicans win the Maine Senate race in 2026?
Polymarket · Republican
Which party will win the 2026 US Senate election in Maine?
predictit · Democratic Party
Which party will win the 2026 US Senate election in Maine?
predictit · Republican Party
Maine Senate winner? (Party)
Kalshi · vol $343k · Republican party
Maine Senate winner? (Party)
Kalshi · vol $480k · Democratic party
Sources & provenance
Biography
Public record
Wikipedia + state records
Money & donors
FEC filings
itemized + committee totals
Markets
Live venues
Polymarket · Kalshi
ALL FIGURES DRAWN FROM PUBLICLY AVAILABLE RECORDS · CANDIDATE PROFILES ARE NONPARTISAN AND CARRY NO ENDORSEMENT. · PHOTO: NENA09 · CC BY-SA 4.0 (WIKIMEDIA COMMONS)