The Dow Jones index closed higher by more than 450 points on Friday. When insiders purchase or sell shares, it indicates their confidence or concern around the company’s prospects. Investors and traders interested in penny stocks can consider this a factor in their overall investment or trading decision. Below is a look at a few recent notable insider transactions for penny stocks. For more, check out Benzinga’s insider transactions platform. System1The Trade: System1, Inc. (NYSE:SST) 10% owner Cee Holdings Trust bought a total of 46,373 shares at an average price of $1.22. To acquire these sh…