United States 2026 · Every advertiser

Brian Mast

This page ran 4 paid political ads on Facebook and Instagram between 20 October 2026 and 26 October 2026. Meta reports $26–34K of spend, which makes it the 1,909th largest advertiser of the 24,034 pages in our data. Advertiser type: Candidate. Most of its spend was on the Republicans’ side. Race: Federal. Paid for by Mast for Congress. It belongs to Brian Mast, whose page gathers all of their pages.

Data from the Meta Ad Library, pulled 4 November 2026. Election on 3 November 2026. · Every ad of this page in Meta’s Ad Library ↗

On the FEC record

MAST FOR CONGRESS, a House candidate’s committee. FEC committee C00632257 ↗

A candidate’s own committee: Brian Mast, Republican, running for the House in Florida, district 21. The side above is the candidate’s party on the FEC record.

4

ads

$30K

reported spend, range $26–34K

100%

of spend on federal races

$6K

median spend per ad

Spend by week the ad started

 Spend still counting
2 Nov

Tone

Promotional
100%

Share of the 4 ads with text that our model classified. Attack ads name an opponent.

Topics

Infrastructure & energy
100%
Candidate profile
25%
Electoral process & turnout
25%
Agriculture & food
25%

Spend by race: Federal 100%.

Spend by ad language: English 100%.

The costliest ads

The highest-spend ad of each distinct text, as it ran.

  • Protecting Florida’s water has been my mission since day one, and we have major results to show for it. We’ve improved the way Lake Okeechobee is managed to reduce discharges, fought toxic algae and accelerated completion of the EAA Reservoir. We’ve made tremendous progress, but the mission isn’t finished. As your representative in Congress, I’ll keep fighting until we achieve zero discharges ever again.

    20 October 2026 · Brian Mast · $10–15K · 450K+ impressions · Promotional · Ad Library

  • When I first came to Congress, I made a promise that fighting toxic discharges and restoring our waterways would be my mission every single day. We’ve made major progress since then, including my legislation authorizing the Everglades Agricultural Area (EAA) Reservoir and securing over $2 billion to speed up construction. We pushed the finish line up by 5 full years—moving completion from 2034 to 2029. I know the fight isn't over. I'd be honored to have your support for another two years of figh

    26 October 2026 · Brian Mast · $6–7K · 200K+ impressions · Promotional · Ad Library

  • I fought to restore Fort Pierce beaches and protect this community. Our shoreline matters to the families, businesses, and communities that depend on it. Protecting our coast takes action at every level of government. Election Day is November 3. Make sure you have a plan to vote.

    20 October 2026 · Brian Mast · $5–6K · 175K+ impressions · Promotional · Ad Library

  • Jupiter Inlet is part of what makes our community special. But a dangerous sandbar is making it harder for boaters to navigate safely. I'm working to get it fixed because protecting our waterways means protecting the families, fishermen, and local businesses that depend on them. It's one of the many reasons I'm proud to serve this community.

    20 October 2026 · Brian Mast · $5–6K · 175K+ impressions · Promotional · Ad Library

Figures cover domestic political ads paid in dollars, from 4 May 2026. Spend is the sum of Meta’s range midpoints; impressions above one million are reported as “1M+”, so impression figures are floors. Each ad counts in the week its delivery started, with its lifetime spend at our last pull; ads still running before the vote are counted as of 31 October 2026.

Back to the United States report, both parties and every candidate or every advertiser.

Brian Mast: political ads on Facebook and Instagram before the 2026 US midterms · Vipima