A look at the weighted underlying holdings of the First Trust Dow Jones Select MicroCap Index Fund (FDM) shows an impressive 18.1% of holdings on a weighted basis have experienced insider buying within the past six months.

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Centerstate Banks, Inc. ( CSFL - Get Report), which makes up 0.53% of the First Trust Dow Jones Select MicroCap Index Fund (FDM), has seen 3 directors and officers purchase shares in the past six months, according to the recent Form 4 data. The ETF holds a total of $256,689 worth of CSFL, making it the #68 largest holding. The table below details the recent insider buying activity observed at CSFL:

CSFL — last trade: $10.23 — Recent Insider Buys:

Purchased Insider Title Shares Price/Share Value
08/04/2014 John C. Corbett Subsidiary Bank President 1,000 $10.27 $10,270.00
08/05/2014 Ernest S. Pinner Chairman, CEO and President 1,000 $10.11 $10,110.00
08/27/2014 Daniel E. Bockhorst Chief Risk Officer 1,800 $10.35 $18,630.00

And Del Frisco's Restaurant Group Inc ( DFRG), the #73 largest holding among components of the First Trust Dow Jones Select MicroCap Index Fund (FDM), shows 2 directors and officers as recently filing Form 4's indicating purchases. The ETF holds $251,144 worth of DFRG, which represents approximately 0.52% of the ETF's total assets at last check. The recent insider buying activity observed at DFRG is detailed in the table below:

DFRG — last trade: $19.70 — Recent Insider Buys:

Purchased Insider Title Shares Price/Share Value
07/24/2014 David B. Barr Director 500 $22.37 $11,185.00
08/05/2014 Mark Mednansky Chief Executive Officer 3,000 $20.93 $62,790.00