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Tip the Scale Blue — election intelligence for 2026 progressives. Poll data from Ballotpedia. Ratings from Cook, Sabato, and Inside Elections.

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Massachusetts 4th District · House

Matthew Cook (Ind.)vsTBD

D primary · Sep 1R primary · Sep 1

Score updated Aug 29, 2026

Read more on Ballotpedia

94MONITOR

Priority Score Breakdown

Candidates

Matthew Cook

Independent

Primary Candidates

Democratic Primary · Sep 1

Jake Auchincloss★ Incumbent

Jason Poulos

Republican Primary · Sep 1

Thomas Stalcup

Expert Ratings

Cook PoliticalCookSafe D

Massachusetts house — Score 94 | Tip the Scale Blue