Complex sentence: The company was founded March 1977 in Denver, Colorado by Jack Thompson, C.T.P. "Chuck" Hintze, Dan Gregory, and Ed McVaney, and was purchased by PeopleSoft, Inc. in 2003.
Split into simpler sentences: The company was founded March 1977 in Denver, Colorado by Jack Thompson, C.T.P. "Chuck" Hintze, Dan Gregory, and Ed McVaney. JD Edwards was purchased by PeopleSoft, Inc. in 2003.