U.S. Senate Candidate Profile

Mark Baisley

Updated

RepublicanU.S. SenateColorado

Background

Mark Baisley is a Republican candidate for U.S. Senate in Colorado in the 2026 election cycle. As of October 17, 2026, Mark Baisley's ballot status is general nominee. Federal Election Commission filings for the 2026 cycle report that Mark Baisley's campaign had total receipts of $138,210, total disbursements of $110,837, and cash on hand of $27,710. Mark Baisley previously served in the Colorado state house, having been first elected in 2018 and re-elected in 2020. Mark Baisley earned a bachelor's degree in computer information systems and business administration from Columbia College, Missouri in 1993, and currently serves as president of Slipglass, Inc., an engineering software firm.

Summary compiled from cited public records. Sources: Official candidate filing records; Federal Election Commission; coloradosos.gov/pubs/elections/vote/files/2026/2026Prim…; Official election records; Federal Election Commission (fec.gov/data/candidate/S6CO00507/); en.wikipedia.org/wiki/Mark_Baisley.

Last updated 2026-10-06.

Sourced summary

Colorado Secretary of State — Official Primary Candidate List lists Mark Baisley as a Republican candidate for US Senate in the 2026 cycle (US Senate). coloradosos.gov

FEC totals for the 2026 cycle report that Mark Baisley raised $138,147, spent $88,913, reported $50,021 cash on hand. api.open.fec.gov

FEC totals for the 2026 cycle report that Mark Baisley raised $138,597, spent $88,913, reported $50,021 cash on hand. api.open.fec.gov

FEC totals for the 2026 cycle report that Mark Baisley raised $77,147, spent $65,702, reported $11,445 cash on hand. api.open.fec.gov

FEC totals for the 2026 cycle report that Mark Baisley raised $31,866, spent $25,746, reported $6,120 cash on hand. api.open.fec.gov

Finance snapshot

Mark Baisley's committee id is C00932848

Mark Baisley's latest reported receipts $138,210, disbursements $110,837, cash on hand $27,710. fec.gov

Race and district

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Karen Breslin (Democratic), Amanda J Jillian Calderon (Republican), Bob Chew (Other), Robert Chew (Other), Clinton Roosevelt Dale (Independent), Julie Gonzales (Democratic), Brashad D Hasley (Democratic), John W. Hickenlooper (Democratic).

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Mark Baisley profile reference

Profile status: Active candidate. Roster status: challenger. Race status: discovered.

No certified general-election roster row matched this profile.

Valid citations 11. Primary-source references 11. First seen 2026-05-07. Last seen 2026-10-06. Profile record updated 2026-10-17.

Published claim kinds: Background 4, Finance 4.

Other ids: Other irs-990:_run.

Same race

11 other indexed profiles returned with Mark Baisley, the limit of this page's race query. Not a certified ballot.

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