
Incumbent U.S. Representative Greg Stanton is competing against challenger Kai Newkirk in the Democratic primary for Arizona's 4th Congressional District seat on July 21, 2026.
The candidates are Greg Stanton, the current Democratic officeholder, and Kai Newkirk, a progressive organizer challenging him.
Stanton was reelected in 2024 with 52.7% of the vote and faced a tight general election against Kelly Cooper, making this primary a test of his continued dominance in the district.
WikipediaWinning the nomination determines who will contest the Republican challenge in the 2026 midterm election for a seat Stanton has held since 2019.
opensecrets.orgBallotpediaNote: The primary election is scheduled for July 21, 2026, meaning final results will be determined within two days of the current date.
Early voting for the AZ-04 Democratic primary is already underway with Greg Stanton leading the race as the incumbent.
predictionedge.comPrediction markets assign Greg Stanton a 93% probability of winning, while challenger Kai Newkirk holds a 7% share.
polymarket.comThe AZ-04 Democratic primary election concludes, officially determining the party's nominee.
WikipediaAI-generated briefing. AI can make mistakes. This is not financial advice.
Greg Stanton is the incumbent who won the 2024 general election with 53.3% of the vote against a strong Republican opponent, demonstrating established voter support.
BallotpediaPrediction markets and odds consistently favor Stanton, with one platform assigning him a 93% chance of winning the nomination compared to Newkirk's 7%.
polymarket.comStanton has raised significant campaign funds and filed as the Democratic candidate for the district, leveraging his established political infrastructure.
azsos.govdeepsyte.appAI-generated briefing. AI can make mistakes. This is not financial advice.
Kai Newkirk is a progressive organizer explicitly challenging the incumbent, framing the race as a "real challenge" despite Stanton's lead.
predictionedge.comyoutube.comEarly market repricing shows Newkirk's odds rising to 17% while Stanton slipped slightly to 90% in some models, indicating some volatility or shifting sentiment.
predictionedge.comStanton reportedly declined to participate in available media interviews or debate dates offered by the challenger, potentially creating an opening for Newkirk to define the narrative.
AI-generated briefing. AI can make mistakes. This is not financial advice.