| % of Shares Held by All Insider and 5% Owners: | 11% | | % of Shares Held by Institutional & Mutual Fund Owners: | 10% | | % of Float Held by Institutional & Mutual Fund Owners: | 11% | | Number of Institutions Holding Shares: | 12 |
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| Major Direct Holders (Forms 3 & 4) |
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| Holder | Shares | Reported |
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| COLE JAMES A | 98,594 | Aug 23, 2011 | | THOMPSON W. JOSEPH | 3,400 | Nov 15, 2012 | | HENCKELS LUTZ P | 500 | Dec 4, 2012 | | GARRETTSON GARRETT A | 400 | Dec 12, 2012 | | PENTA MICHAEL | 300 | Feb 21, 2013 |
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| Top Institutional Holders |
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| Holder | Shares | % Out | Value* | Reported |
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| Renaissance Technologies, LLC | 206,300 | 4.10 | 342,458 | Mar 31, 2013 | | Dimensional Fund Advisors LP | 94,167 | 1.87 | 156,317 | Mar 31, 2013 | | HighTower Advisors, LLC | 48,500 | 0.96 | 80,510 | Mar 31, 2013 | | CALPERS (California-Public Employees Retirement System) | 26,700 | 0.53 | 44,322 | Mar 31, 2013 | | Glovista Investments LLC | 15,500 | 0.31 | 25,730 | Mar 31, 2013 | | Northern Trust Corporation | 14,458 | 0.29 | 24,000 | Mar 31, 2013 | | Minerva Advisors LLC | 13,069 | 0.26 | 21,694 | Mar 31, 2013 | | BlackRock Institutional Trust Company, N.A. | 8,046 | 0.16 | 13,356 | Mar 31, 2013 | | UBS AG | 4,012 | 0.08 | 6,659 | Mar 31, 2013 | | Citigroup Inc. | 400 | 0.01 | 664 | Mar 31, 2013 |
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| Holder | Shares | % Out | Value* | Reported |
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| DFA U.S. Micro Cap Series | 33,725 | 0.67 | 50,924 | Jan 31, 2013 | | DFA U.S. Small Cap Value Series | 10,700 | 0.21 | 16,157 | Jan 31, 2013 | | Spartan Extended Market Index Fund | 4,585 | 0.09 | 7,611 | Mar 31, 2013 | | DFA U.S. Small Cap Series | 3,942 | 0.08 | 5,952 | Jan 31, 2013 | | Claymore ETF Tr-Wilshire Micro Cap ETF | 3,614 | 0.07 | 5,999 | Mar 31, 2013 | | Spartan Total Market Index Fund | 2,579 | 0.05 | 4,281 | Mar 31, 2013 |
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View Transactions for Insiders & Institutional Holders Value shown is computed using the security's price on the report date given. Currency in USD. |