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Insider Trades of WILLIS GARY K Information

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Individual Insider Trades

Company Relation Last Date Type Tran OwnerType Shares Traded Last Price Shares Held
PLUG POWER INC Director 08/02/2011 Form 4 Acquisition (Non Open Market) direct 3,348 2.24 19,109
PLUG POWER INC Director 10/03/2011 Form 4 Acquisition (Non Open Market) direct 4,422 1.73 23,531
ROFIN SINAR TECHNOLOGIES INC Director 10/11/2011 Form 4 Acquisition (Non Open Market) direct 3,000 0 39,000
ZYGO CORP Director 11/16/2011 Form 4 Acquisition (Non Open Market) direct 5,000 0 146,646
PLUG POWER INC Director 01/03/2012 Form 4 Acquisition (Non Open Market) direct 4,375 2 27,906
PLUG POWER INC Director 04/02/2012 Form 4 Acquisition (Non Open Market) direct 6,890 1.27 34,796
PLUG POWER INC Director 07/02/2012 Form 4 Acquisition (Non Open Market) direct 7,675 1.14 42,471
ZYGO CORP Director 08/29/2012 Form 4 Sell direct 50,000 19.8276 96,646
ROFIN SINAR TECHNOLOGIES INC Director 10/01/2012 Form 4 Acquisition (Non Open Market) direct 3,000 0 42,000
PLUG POWER INC Director 10/03/2012 Form 4 Acquisition (Non Open Market) direct 10,542 0.83 53,013
ZYGO CORP Director 11/14/2012 Form 4 Acquisition (Non Open Market) direct 5,000 0 101,646
PLUG POWER INC Director 01/02/2013 Form 4 Acquisition (Non Open Market) direct 17,500 0.5 70,513
PLUG POWER INC Director 04/01/2013 Form 4 Acquisition (Non Open Market) direct 51,471 0.17 121,984