Leaving office January 1, 2027.Did not run for re-election in 2026. This page switches to the former-officeholder layout when the term ends.
RepublicanIn office until January 1, 2027

John Fuller

Montana State Senator, District 4 since 2022. Did not run for re-election in 2026; leaves office in January 2027.

Montana State Senator, District 4

In office
3 yrs
Since 2022
Bills became law
4
21 sponsored, 2025–2026 session
Votes missed
0.4%
Chamber median 0.5%
With party
95%
On votes splitting the parties
Last margin
+24.4
Won 2022

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Education Interim Budget · vice chair
  • Education and Cultural Resources · chair
  • Finance and Claims
  • Legislative Administration
  • Public Health, Welfare and Safety

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 21 sponsored · 4 became law
BillIntroCmteSenateHouseLaw
SB 93 Revise income taxes related to retired military members
Military Affairs · Became law May 2025
SB 218 Provide for private right of action for injuries caused by certain medical interventions to treat gender…
Courts · Became law May 2025
SB 342 Provide that chief justice appoints the court administrator
Courts · Became law May 2025
SB 97 Revise venue laws for cases challenging constitutionality of recent laws
Civil Procedure · Became law May 2025
SB 96 Establish working animal protection act
Agriculture · Failed in committee Jun 2025

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Fuller sits in the Montana State Senate

Fuller is closer to the center than 19% of the chamber's Republicans.

Dem. medianRep. medianFullerMore liberalMore conservative

Closest: Becky Beard, Barry Usher, Jeremy Trebas

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 4:55 PM ET

With Fuller’s party

  • Votes with the chamber's Republicans95%

Black tick: the average of Republicans in the Montana State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Fuller’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillFullerRep. majorityDem. majorityResult
Apr 23, 2025HB 860: Provide for veterinary training loan programYesYesYesPassed 41–9
Apr 23, 2025HB 129: Provide income tax benefit to support emergency response volunteersNoNoYesPassed 28–22
Apr 23, 2025HB 853: Revise fees for licensed establishmentsNoNoYesPassed 29–21

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Fuller was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMargin
2022Montana State Senate, District 4WonR+24.4
2020Montana House of Representatives, District 8Won—
2018Montana House of Representatives, District 8WonR+37.3
2008Montana House of Representatives, District 4LostD+9.3

Source: 99chambers results archive

Seats Fuller has held

Source: 99chambers results archive

Who Fuller has run against

  • Kyle Waterman (D) · 2022 general, won
  • Sid Daoud (L) · 2018 general, won
  • Mike Jopek (D) · 2008 general, lost

Source: 99chambers results archive

How we know Fuller

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET