Schneider National Inc. delivered on its initial public stock offering Thursday as the trucking company’s common stock began trading on the New York Stock Exchange at a proposed price of $19 per share.

Executives from Green Bay-based Schneider National (NYSE: SNDR) and guests celebrated the occasion by ringing the opening bell Thursday. Officially, Robert Wyatt, a driver associate who has been with the company for 44 years, rang the bell to begin trading. Wyatt has logged more than 5 million miles…