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Saturday, November 28, 2009, 2:49PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Plug Power Inc. (PLUG)On Nov 27: 0.7801  Down 0.0239 (2.97%)  
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
PurchasesN/A0
SalesN/A0
Net Shares Purchased
(Sold)
N/A0
Total Insider Shares Held13.59M N/A
% Net Shares Purchased
(Sold)
0.0% N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(6,499,680)
% Change in Institutional Shares Held(21.5%)
Data provided by Thomson Financial

INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTypeTransactionValue*
28-Oct-09HANSEN ERIK J
Officer
1,000DirectStatement of OwnershipN/A
2-Oct-09DRAZAN JEFFREY M
Director
5,087DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-09HELMER MAUREEN O
Director
7,994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-09GARBERDING LARRY
Director
7,994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-09WILLIS GARY K
Director
8,721DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-09MCNAMEE GEORGE C
Director
5,523DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-09DRAZAN JEFFREY M
Director
5,401DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-09HELMER MAUREEN O
Director
8,488DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-09GARBERDING LARRY
Director
8,488DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-09WILLIS GARY K
Director
9,259DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-09MCNAMEE GEORGE C
Director
5,701DirectAcquisition (Non Open Market) at $0 per share.N/A
12-May-09MARSH ANDREW
Officer
669DirectDisposition (Non Open Market) at $0.91 per share.$608
12-May-09MARSH ANDREW
Officer
1,929DirectAcquisition (Non Open Market) at $0 per share.N/A
12-May-09ANDERSON GERALD A
Officer
2,963DirectDisposition (Non Open Market) at $0.91 per share.$2,696
12-May-09ANDERSON GERALD A
Officer
8,551DirectAcquisition (Non Open Market) at $0 per share.N/A
12-May-09CONWAY GERARD L JR
Officer
191DirectDisposition (Non Open Market) at $0.91 per share.$173
12-May-09CONWAY GERARD L JR
Officer
549DirectAcquisition (Non Open Market) at $0 per share.N/A
12-May-09SPERRY MARK A
Officer
2,947DirectDisposition (Non Open Market) at $0.91 per share.$2,681
12-May-09SPERRY MARK A
Officer
8,505DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-09SPERRY MARK A
Officer
48,000DirectSale at $0.92 per share.$44,160
2-Apr-09PIVNYUK DENNIS V
Director
1,503DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09DIMITRI ANDREW
Director
1,381DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09MCGUIRE MICHAEL E JR
Director
1,163DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09GROSS JOEL D
Director
1,074DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09DRAZAN JEFFREY M
Director
4,765DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09HELMER MAUREEN O
Director
7,994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09GARBERDING LARRY
Director
7,994DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09WILLIS GARY K
Director
7,922DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Apr-09MCNAMEE GEORGE C
Director
6,822DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Mar-09MARSH ANDREW
Officer
48,430DirectDisposition (Non Open Market) at $0.91 per share.$44,071
9-Mar-09MARSH ANDREW
Officer
118,769DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Mar-09ANDERSON GERALD A
Officer
35,677DirectDisposition (Non Open Market) at $0.91 per share.$32,466
9-Mar-09ANDERSON GERALD A
Officer
87,335DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Mar-09CONWAY GERARD L JR
Officer
35,913DirectDisposition (Non Open Market) at $0.91 per share.$32,680
9-Mar-09CONWAY GERARD L JR
Officer
87,912DirectAcquisition (Non Open Market) at $0 per share.N/A
9-Mar-09SPERRY MARK A
Officer
26,525DirectDisposition (Non Open Market) at $0.91 per share.$24,137
9-Mar-09SPERRY MARK A
Officer
76,549DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09PIVNYUK DENNIS V
Director
5,048DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09DIMITRI ANDREW
Director
3,606DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09MCGUIRE MICHAEL E JR
Director
4,808DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09GROSS JOEL D
Director
6,010DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09WOICKE PETER
Director
732DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09DRAZAN JEFFREY M
Director
2,156DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09HELMER MAUREEN O
Director
6,611DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09GRANT J DOUGLAS
Director
6,611DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09GARBERDING LARRY
Director
6,010DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09WILLIS GARY K
Director
5,409DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jan-09MCNAMEE GEORGE C
Director
7,212DirectAcquisition (Non Open Market) at $0 per share.N/A
20-Dec-08CONWAY GERARD L JR
Officer
1,733DirectDisposition (Non Open Market) at $0.90 per share.$1,559
20-Dec-08SPERRY MARK A
Officer
2,427DirectDisposition (Non Open Market) at $0.90 per share.$2,184
20-Dec-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
5,126,939DirectSale at $0.74 per share.$3,793,934
20-Dec-08OJSC THIRD GENERATION CO OF THE WHOLESALE ELECTRIC
Beneficial Owner (10% or more)
44,626,939DirectStatement of OwnershipN/A
7-Nov-08DRAZAN JEFFREY M
Director
N/ADirectStatement of OwnershipN/A
2-Oct-08PIVNYUK DENNIS V
Director
3,365DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08DIMITRI ANDREW
Director
2,404DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08MCGUIRE MICHAEL E JR
Director
4,808DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08ROSENBLUM LISA
Director
1,402DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08BATEKHIN SERGEY
Director
1,402DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08GROSS JOEL D
Director
6,010DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08WOICKE PETER
Director
9,615DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08HELMER MAUREEN O
Director
6,611DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08GRANT J DOUGLAS
Director
6,611DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08GARBERDING LARRY
Director
6,010DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08WILLIS GARY K
Director
5,409DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Oct-08MCNAMEE GEORGE C
Director
7,212DirectAcquisition (Non Open Market) at $0 per share.N/A
30-Jul-08PIVNYUK DENNIS V
Director
N/ADirectStatement of OwnershipN/A
30-Jul-08DIMITRI ANDREW
Director
N/ADirectStatement of OwnershipN/A
2-Jul-08MCGUIRE MICHAEL E JR
Director
1,037DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08ROSENBLUM LISA
Director
1,815DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08BATEKHIN SERGEY
Director
1,815DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08GROSS JOEL D
Director
2,593DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08POLIKARPOV SERGEY
Director
1,037DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08WOICKE PETER
Director
4,149DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08HELMER MAUREEN O
Director
2,853DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08GRANT J DOUGLAS
Director
2,853DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08GARBERDING LARRY
Director
2,593DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08WILLIS GARY K
Director
2,195DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jul-08MCNAMEE GEORGE C
Director
3,112DirectAcquisition (Non Open Market) at $0 per share.N/A
21-May-08HELMER MAUREEN O
Director
3,500DirectAcquisition (Non Open Market) at $3.30 per share.$11,550
21-May-08WILLIS GARY K
Director
3,500DirectAcquisition (Non Open Market) at $3.30 per share.$11,550
21-May-08MCNAMEE GEORGE C
Director
4,500DirectAcquisition (Non Open Market) at $3.30 per share.$14,850
16-May-08MCGUIRE MICHAEL E JR
Director
N/ADirectStatement of OwnershipN/A
24-Apr-08PROKHOROV MIKHAIL D
Beneficial Owner (10% or more)
640,803IndirectSale N/A
8-Apr-08MARSH ANDREW
Officer
N/ADirectStatement of OwnershipN/A
3-Apr-08MILLINGTON JOSEPH M
Officer
2,860DirectSale at $2.60 per share.$7,436
3-Apr-08ROSENBLUM LISA
Director
1,359DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08BATEKHIN SERGEY
Director
1,359DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08GROSS JOEL D
Director
1,941DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08POLIKARPOV SERGEY
Director
1,553DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08WOICKE PETER
Director
3,106DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08HELMER MAUREEN O
Director
2,135DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08GRANT J DOUGLAS
Director
2,135DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08GARBERDING LARRY
Director
1,941DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08WILLIS GARY K
Director
1,553DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Apr-08MCNAMEE GEORGE C
Director
1,941DirectAcquisition (Non Open Market) at $0 per share.N/A
11-Feb-08MILLINGTON JOSEPH M
Officer
2,250DirectSale at $3.15 per share.$7,087
8-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
5,935DirectPurchase at $3.30 - $3.39 per share.$20,0002
8-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
59,300DirectPurchase at $3 - $3.29 per share.$186,0002
7-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
48,950DirectPurchase at $2.99 - $3.14 per share.$150,0002
6-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
23,050DirectPurchase at $3.06 - $3.12 per share.$71,0002
6-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
70,000DirectPurchase at $3.01 - $3.13 per share.$215,0002
5-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
75,000DirectPurchase at $2.98 - $3.19 per share.$231,0002
4-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
70,000DirectPurchase at $2.88 - $3.09 per share.$209,0002
4-Feb-08JOHNSON BRADLEY H
Officer
4,999DirectSale at $2.90 per share.$14,497
4-Feb-08CONWAY GERARD L JR
Officer
2,250DirectSale at $2.91 per share.$6,547
4-Feb-08SPERRY MARK A
Officer
3,150DirectSale at $2.92 per share.$9,198
1-Feb-08SMART HYDROGEN, INC.
Beneficial Owner (10% or more)
88,000DirectPurchase at $2.72 - $2.93 per share.$249,0002
24-Jan-08MILLINGTON JOSEPH M
Officer
7,000DirectAcquisition (Non Open Market) at $2.60 per share.$18,200
3-Jan-08ROSENBLUM LISA
Director
1,083DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08BATEKHIN SERGEY
Director
1,083DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08GROSS JOEL D
Director
1,547DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08POLIKARPOV SERGEY
Director
1,238DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08WOICKE PETER
Director
2,475DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08HELMER MAUREEN O
Director
1,702DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08GRANT J DOUGLAS
Director
1,702DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08GARBERDING LARRY
Director
1,547DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08WILLIS GARY K
Director
1,238DirectAcquisition (Non Open Market) at $0 per share.N/A
3-Jan-08MCNAMEE GEORGE C
Director
1,547DirectAcquisition (Non Open Market) at $0 per share.N/A
24-Dec-07DTE ENERGY CO
Beneficial Owner (10% or more)
750,000IndirectDisposition (Non Open Market) N/A
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
All Major Holders - Insider Roster

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