Below tool (Search/Navigation box) will help you gain insights regarding the cost of goods sold (COGS) of various companies. Currently, you will be able to find reports for about 1000+ USA listed companies.
Every report will contain 4 sections. First two sections will discuss the yearly and quarterly values. Then you find best and worst quarters concerning cost of goods sold metric.
How To Use The Above Search/Navigation Box
Just begin typing the company symbol or name. For example, let us say you want to analyze the cost of goods sold history of APPLE INC. In that case, you will be typing APPLE INC. As you type, you will see options that match the typed characters.