Kenneth R. Buck

Representative Kenneth R. Buck (R-CO) served Colorado's 4th Congressional District from 2015 to 2024, representing the state's expansive eastern plains and northern regions. A former federal prosecutor and district attorney, Buck was known as a staunch conservative and founding member of the House Freedom Caucus, frequently challenging both Democratic policies and Republican leadership on fiscal responsibility and constitutional principles. His trading record shows 46 disclosed transactions between December 2016 and September 2021, with positions valued between $60K and $725K concentrated in healthcare and financial sector stocks including AbbVie (ABBV), Abbott Laboratories (ABT), and major banks like Bank of America and Citigroup. Buck's trading activity ceased in late 2021, with no transactions recorded in his final years of service before his resignation in March 2024.