David
C Graham

In an interview published October 9, Graham described his campaign as focused on smaller government and lower taxes, calling for abolishing the Departments of Education and Energy, a free-market approach to health care (with transitional support for existing Medicare beneficiaries), marijuana legalization, Second Amendment support, and opposition to U.S. involvement in the wars in Iran and Ukraine. He rejected the spoiler characterization, saying 'I'm not running to spoil. I'm running to win,' and claimed his voters would otherwise divide evenly between the two major-party candidates.

A Comanche County general-election notice listed David C. Graham (Libertarian) for U.S. Senate and confirmed the general election date of November 3, 2026. A separate Bourbon County election-information page also listed him among the Senate candidates.

A voter-guide profile for David C. Graham lists the Pro-Life Libertarian Caucus as an endorsement reported by Graham. No other major outside endorsements were documented in the sources reviewed.

A GBAO poll of 600 likely Kansas voters fielded September 30–October 4 (reported October 7) found Hamilton at 46%, Marshall at 41%, and Graham at 7%. Margin of error: ±4 percentage points.

A Trafalgar Group poll fielded September 29–October 1 (posted October 2) of 1,095 respondents showed Hamilton at 44.4%, Marshall at 43.5%, Graham at 2.0%, and undecided at 10.1%. Margin of error: 2.9 points.

A New York Times/Siena poll of 605 likely Kansas voters (fielded September 22–30) showed Hamilton at 45%, Marshall at 45%, and Graham at 5% on the combined ballot including leaners. On the initial ballot question Graham also polled at 5%. The poll found 80% of respondents had not heard of Graham. Margin of error: ±4.6 percentage points.

Graham said he was present in the crowd at the State Fair debate in Hutchinson between Republican Roger Marshall and Democrat Adam Hamilton but was not invited to participate. He said he would have preferred to be placed between them on stage and argued the debate featured 'talking points' rather than proposed solutions. The exact date of the debate is not given in the source.