Incumbent Democrat Mike Thompson and fellow Democrat Eric Jones advanced from California's June 2 top-two primary in the 4th Congressional District, with Thompson leading in early tallies followed by Jones. Multiple Republican candidates, including Raymond Riehle and Sharon Brown, along with others, fell short of the top two spots under the state's nonpartisan primary rules. Partial results with over 85% of votes counted align with trader pricing at or near 100% for both advancing candidates. The general election matchup between the two Democrats is now set for November, with no further primary-related developments expected to alter the outcome. Late ballot counts or provisional votes remain the only outstanding variables before final certification.