Race context
Katherine Clark is indexed in the OppIntell public candidate file as a Democratic profile for Massachusetts, U.S. House, 05. Cycle year on file: 2026.
Race name on file: 2026 U.S. House - Massachusetts 05.
Race status on file: discovered.
Election system on file: other.
The indexed incumbent/challenger value is incumbent.
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.
Derek Fleming (Independent), Jonathan Paz (Democratic), Tarik Samman (Democratic).
Source posture
Published claim kinds on file: 41 background claims; 6 statements claims; 46 media claims; 37 finance claims; 3026 votes claims; 3 controversies claims; 1943 other sourced notes claims; 1 ideology claim.
Latest attached source timestamp on file: 2026-10-06.
Filings and votes on file
The profile record reports 3026 vote claims. Claim text for that kind was not in the rows returned for this page.
Finance claims on file: 37. 0 are quoted above. FEC candidate id on file: H4MA05084.
Indexed field reading
Katherine Clark is carried in the OppIntell public index as a Democratic profile for Massachusetts, U.S. House, 05. 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 Katherine Clark, 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 Katherine Clark is 2026 U.S. House - Massachusetts 05. 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 incumbent for Katherine Clark. The page uses the stored incumbent or challenger value and does not infer it from the office title.
The FEC candidate id stored for Katherine Clark is H4MA05084.
The profile was first indexed on 2026-05-05 and last indexed on 2026-10-06.
The route record for Katherine Clark reports 5136 public claims, 5136 valid citations, and 5136 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 Katherine Clark: background (41), statements (6), media (46), finance (37), votes (3026), controversies (3), other sourced notes (1943), ideology (1). A kind whose stored count is zero is left off this list.
The same-field query for Katherine Clark returned 3 other indexed profiles: Derek Fleming (Independent), Jonathan Paz (Democratic), Tarik Samman (Democratic). That set is the bounded query result for this page, not a certified full ballot.
Cross-reference identifiers stored for Katherine Clark: FEC H4MA05084; Other voteview:119:21375; GovTrack C001101; Wikidata Q6376330; Vote Smart 35858; Wikipedia Katherine Clark; Grokipedia Katherine Clark; Ballotpedia Katherine Clark.
Social handles stored for Katherine Clark: X RepKClark (last polled 2026-06-30).
Profile questions
What office is Katherine Clark indexed for?
Katherine Clark is indexed for Massachusetts, U.S. House, 05. The race name on file is 2026 U.S. House - Massachusetts 05. 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 Katherine Clark?
The party label on file for Katherine Clark is Democratic.
What is Katherine Clark's candidate status?
Katherine Clark is marked Active candidate on this profile. Race status on file: discovered.
Which committee or filing id is listed for Katherine Clark?
FEC candidate id on file: H4MA05084.
How many public claims are attached to Katherine Clark?
The route record reports 5136 public claims, 5136 valid citations, and 5136 primary-source references. Published claim kinds on file: Background 41, Statements 6, Media 46, Finance 37, Votes 3026, Controversies 3, Other Sourced Notes 1943, Ideology 1. Claim text on this page is quoted from the published-claims teaser and is omitted when that teaser returns no rows.
Is Katherine Clark indexed as an incumbent or a challenger?
The indexed incumbent/challenger value is incumbent.
Who else is indexed in Katherine Clark's race field?
Other indexed profiles returned for this field include Derek Fleming (Independent), Jonathan Paz (Democratic), Tarik Samman (Democratic). That list is the bounded race query for this page, not a certified full ballot.