CalledUnofficial results
Montana Senate District 4
Montana State Senate · Montana
Amy Regier held the seat for Republicans, winning by 19.5 points over Kyle Waterman.
Staggered Senate
Amy RegierRepublican · winner
59.7%5,086
Kyle WatermanDemocrat
40.3%3,428
8,514 votes
Source: Montana Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:22 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Kyle WatermanAmy Regier
$14.6K
Raised by the campaign
$32.4K
$18.4K
Spent by the campaign
$41K
Campaign money: Montana Commissioner of Political Practices, through Oct 9, 2026.
Source: Montana Commissioner of Political Practices campaign filingsUpdated Oct 9, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Kyle Waterman
- <1%
- Amy Regier
- >99%
- Projected margin
- R+22.7