A look at the weighted underlying holdings of the ProShares ProShares Global Listed Private Equity ETF (PEX) shows an impressive 15.7% 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 » FS KKR Capital Corp (FSK), which makes up 8.90% of the ProShares ProShares Global Listed Private Equity ETF (PEX), has seen 4 directors and officers purchase shares in the past six months, according to the recent Form 4 data.