Race context
Mark Stewart Greenstein is indexed in the OppIntell public candidate file as a Democratic profile for Connecticut, U.S. House, 01. Cycle year on file: 2026.
Race name on file: 2026 U.S. House - Connecticut 01.
Race status on file: discovered.
Election system on file: other.
The indexed incumbent/challenger value is challenger.
The profile was first indexed on 2026-05-05 and last indexed on 2026-10-06.
Other indexed profiles returned for this same field are listed below. The list is limited to the race query for this page.
Amy Fogelstrom Chai (Republican), Earvin P Eugene (Republican), Jack Perry (Democratic), James Leonard Griffin (Republican), Jillian Gilchrest (Democratic), John B Larson (Democratic), Luke Bronin (Democratic), Mary L Sanders (Green).
Source posture
Published claim kinds on file: 2 background claims; 20 media claims; 1 finance claim.
Latest attached source timestamp on file: 2026-10-06.
Filings and votes on file
Finance claims on file: 1. 0 are quoted above. FEC candidate id on file: H6CT01230.
Indexed field reading
Mark Stewart Greenstein is carried in the OppIntell public index as a Democratic profile for Connecticut, U.S. House, 01. The party label, office, and state on this page are the values stored on the profile. Empty fields are left off rather than filled with a guess.
The cycle year 2026 is stored for Mark Stewart Greenstein, and the candidate status stored on the profile is Active candidate. This page uses that status label and does not invent a ballot position from it.
The race title stored for Mark Stewart Greenstein is 2026 U.S. House - Connecticut 01. The race status stored beside that title is discovered. Both are indexed fields from the profile record.
The election system value stored for this profile is other. It is shown because that value is present on the record.
The indexed incumbent/challenger value is challenger for Mark Stewart Greenstein. The page uses the stored incumbent or challenger value and does not infer it from the office title.
The FEC candidate id stored for Mark Stewart Greenstein is H6CT01230.
The profile was first indexed on 2026-05-05 and last indexed on 2026-10-06.
The route record for Mark Stewart Greenstein reports 29 public claims, 29 valid citations, and 29 primary-source references, and the latest attached source timestamp on that record is 2026-10-06. Those figures are counts from the route. Claim wording is added on this page only when a published row was returned for the profile.
Published claim kinds with a count above zero for Mark Stewart Greenstein: background (2), media (20), finance (1). A kind whose stored count is zero is left off this list.
The same-field query for Mark Stewart Greenstein returned 8 other indexed profiles: Amy Fogelstrom Chai (Republican), Earvin P Eugene (Republican), Jack Perry (Democratic), James Leonard Griffin (Republican), Jillian Gilchrest (Democratic), John B Larson (Democratic), Luke Bronin (Democratic), Mary L Sanders (Green). That set is the bounded query result for this page, not a certified full ballot.
Cross-reference identifiers stored for Mark Stewart Greenstein: FEC H6CT01230; Other senate-lda:_run; FEC Committee C00931485.
Profile questions
What office is Mark Stewart Greenstein indexed for?
Mark Stewart Greenstein is indexed for Connecticut, U.S. House, 01. The race name on file is 2026 U.S. House - Connecticut 01. The election system on file is other. The cycle year on file is 2026. The office, district, and state above are the indexed profile fields.
What party is on file for Mark Stewart Greenstein?
The party label on file for Mark Stewart Greenstein is Democratic.
What is Mark Stewart Greenstein's candidate status?
Mark Stewart Greenstein is marked Active candidate on this profile. Race status on file: discovered.
Which committee or filing id is listed for Mark Stewart Greenstein?
FEC candidate id on file: H6CT01230.
How many public claims are attached to Mark Stewart Greenstein?
The route record reports 29 public claims, 29 valid citations, and 29 primary-source references. Published claim kinds on file: Background 2, Media 20, Finance 1. Claim text on this page is quoted from the published-claims teaser and is omitted when that teaser returns no rows.
Is Mark Stewart Greenstein indexed as an incumbent or a challenger?
The indexed incumbent/challenger value is challenger.
Who else is indexed in Mark Stewart Greenstein's race field?
Other indexed profiles returned for this field include Amy Fogelstrom Chai (Republican), Earvin P Eugene (Republican), Jack Perry (Democratic), James Leonard Griffin (Republican), Jillian Gilchrest (Democratic), John B Larson (Democratic), Luke Bronin (Democratic), Mary L Sanders (Green). That list is the bounded race query for this page, not a certified full ballot.