A person who knows a lot about a company bought some more of their own shares because they think the company is doing well and the price will go up. This means they are confident in the company's future. Read from source...
1. The title of the article is misleading and clickbaity, as it implies that insiders are buying more stocks than they actually are. A better title would be "These 4 Stocks Insiders Are Buying", which is more accurate and less sensationalized.
The sentiment of the article is bearish.