Public Research Summary
Mark Arness is a Democrat candidate for U.S. House in MD-05 in the 2026 election cycle.
Source Posture
OppIntell has 25 public claims associated with this profile, including 25 valid citations and 25 primary-source references.
Official Receipts
FEC totals for the 2026 cycle report that Mark Arness reported $0 cash on hand.
Source: api.open.fec.gov retrieved Jul 1, 2026
Mark Arness is listed by the FEC as a Democrat candidate for U.S. House in MD-05 in the 2026 election cycle.
Source: api.open.fec.gov retrieved Jul 1, 2026
Mark Arness media appearance on YouTube — https://www.youtube.com/watch?v=mqaHhZJ6WfU
Source: youtube.com retrieved May 14, 2026
Mark Arness media appearance on YouTube: **Introduction** — https://www.youtube.com/watch?v=L0EDj13dOzM
Source: youtube.com retrieved May 14, 2026