A look at the weighted underlying holdings of the Vanguard Small-Cap Value ETF (VBR) shows an impressive 12.4% 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 Hatteras Financial Corp (HTS), which makes up 0.28% of the Vanguard Small-Cap Value ETF (VBR), has seen 4 directors and officers purchase shares in the past six months, according to the recent Form 4 data.