First Trust RBA American Industrial Renaissance ETF -- Insider Buying Index Registering 13.7%

A look at the weighted underlying holdings of the First Trust RBA American Industrial Renaissance ETF (AIRR) shows an impressive 13.7% of holdings on a weighted basis have experienced insider buying within the past six months. Start slideshow:10 ETFs With Stocks That Insiders Are Buying » MDU Resources Group Inc (MDU), which makes up 3.80% of the First Trust RBA American Industrial Renaissance ETF (AIRR), has seen 2 directors and officers purchase shares in the past six months, according to the recent Form 4 data.