Joseph Vaughn, SVP at Packaging Corp of America (NYSE:PKG), executed a substantial insider sell on December 4, according to an SEC filing.What Happened: According to a Form 4 filing with the U.S. Securities and Exchange Commission on Wednesday, Vaughn sold 2,300 shares of Packaging Corp of America. The total transaction value is $563,252.At Thursday morning, Packaging Corp of America shares are down by 0.0%, trading at $243.99.Discovering Packaging Corp of America: A Closer LookPackaging Corp. of America is the third-largest containerboard and corrugated packaging manufacturer in the United States. It produces over 4.5 million tons of containerboard annually. The company's share of the domestic containerboard market is roughly 10%. PCA differentiates itself from larger competitors by focusing on smaller customers and operating with a high degree of flexibility.Packaging Corp of America: A Financial OverviewPositive Revenue Trend: Examining Packaging Corp of America's financials over 3 months reveals a positive narrative. The company achieved a noteworthy revenue growth rate of 12.73% as of 30 September, 2024, showcasing a substantial increase in top-line earnings. As compared to competitors, the company surpassed expectations with a growth rate higher than the average among peers in the Materials sector.Exploring Profitability:Gross Margin: The ...Full story available on Benzinga.com