Trump Nod Flips Safe Machine Seat

A Trump-backed outsider has won the New York 21st District Republican primary, and the result marks a sharp rejection of the party establishment.

Quick Take

Anthony Constantino won the Republican primary for New York’s 21st District.
The race drew attention because President Donald Trump endorsed Constantino.
Constantino ran as a business outsider and said he would self-fund his campaign.
The contest pitted Constantino against former Assemblyman Robert Smullen and the state party’s preferred side.

Trump Endorsement Helped Turn the Race

Anthony Constantino, the Sticker Mule chief executive, won the Republican primary for New York’s 21st Congressional District after a race that drew heavy attention from party voters and national political watchers^[1]^[2]. The Associated Press called the race after more than 95 percent of ballots were counted, and Constantino held a clear lead over Robert Smullen^[1]. The result fits a familiar pattern in which Trump-backed outsiders challenge Republican insiders.

Constantino was not a typical candidate. WAMC reported that he was the only Republican in the race to receive President Donald Trump’s endorsement^[1]. The Hill also reported that Trump’s backing came alongside support from Rudy Giuliani and Roger Stone^[3]. That kind of alliance gives Constantino strong appeal with the base, but it also fuels the split between grass-roots voters and the party old guard.

Business Message And Self-Funding Pitch

Constantino’s campaign leaned hard on his business background. In campaign material, he described himself as the founder of an American manufacturing company with more than 1,000 workers in Upstate New York, and he said he would self-fund the race to stay independent from special interests^[9]^[10]. He also pledged to donate his congressional salary to charity, a promise designed to separate him from career politicians and Washington insiders^[9]^[11].

That message likely resonated with voters tired of overspending, weak leadership, and empty talk. It also gave Constantino a simple contrast with Smullen, a former Assemblyman and Marine veteran listed by Ballotpedia^[5]. The New York Times reported that Smullen had backing from 12 of 15 Republican committees, but that institutional support did not stop voters from choosing the businessman instead^[2].

Claims, Counterclaims, And A Bitter Fight

The race was also marked by ugly personal attacks. Constantino’s campaign videos accused Smullen of serious wrongdoing, including claims about tax fraud, Trump loyalty, and behavior after a debate, but the research package does not provide public records or footage to verify those charges^[9]^[10]. Smullen’s side pushed back just as hard, with his campaign website listing what it called Constantino’s false claims and denying the attacks^[3]. The dispute made the race look more like a street fight than a normal primary.

Sticker Mule CEO Anthony Constantino discussed the president's endorsement and his victory Tuesday in the NY-21 GOP primary. pic.twitter.com/OJzm8pUoxP

— Spectrum News 1 Albany (@SpecNews1Albany) June 24, 2026

POLITICO described the contest as chaotic and “bonkers,” and that label fit the public mood around the race^[6]. For conservative voters, the bigger point is that Republican voters in New York’s 21st District chose a Trump-endorsed outsider over a party-backed veteran. That outcome shows how much the base still values anti-establishment energy, business credentials, and loyalty to Trump over the wishes of state party leaders^[1]^[2]^[6].