Technically, insider trading is defined by anyone trading on or passing non-public knowledge to an "outsider". So, yes.. if a Congress member passed along mate

Technically, insider trading is defined by anyone trading on or passing non-public knowledge to an "outsider". So, yes.. if a Congress member passed along material information to someone that they traded on, both should get prosecuted. I'm not sure I've seen it happen to politicians in my lifetime, but totally should.