Complex sentence: Vachon, Inc., is a Canadian maker of popular snack pastries, owned by Saputo Inc. between 1999 and 2015, since then by Canada Bread.
Split into simpler sentences: Vachon, Inc., is a Canadian maker of popular snack pastries. Vachon was owned by Saputo Inc. between 1999 and 2015, and has been owned since 2015by Canada Bread.