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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of all insider trading transactions in PLUG POWER INC. Get notifications about new insider transactions in PLUG POWER INC for free.
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 04 2006 | PLUG | PLUG POWER INC | Rosenblum Lisa | Director | Grant | A | 0.00 | 949 | 0 | 949 | 0 to 949 |
| Oct 04 2006 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 1,266 | 0 | 18,034 | 16.8 K to 18 K (+7.55 %) |
| Aug 01 2006 | PLUG | PLUG POWER INC | Millington Joseph M | VP Human Resources | Option Exercise | A | 4.04 | 45,000 | 181,800 | 45,000 | |
| Aug 01 2006 | PLUG | PLUG POWER INC | Millington Joseph M | VP Human Resources | Grant | A | 4.04 | 15,000 | 60,600 | 15,000 | 0 to 15 K |
| Jul 31 2006 | PLUG | PLUG POWER INC | Rosenblum Lisa | Director | Option Exercise | A | 3.64 | 15,000 | 54,600 | 15,000 | |
| Jul 26 2006 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | President | Option Exercise | A | 4.15 | 45,000 | 186,750 | 340,000 | |
| Jul 26 2006 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | President | Grant | A | 4.15 | 9,000 | 37,350 | 54,399 | 45.4 K to 54.4 K (+19.82 %) |
| Jul 05 2006 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Option Exercise | A | 4.64 | 10,000 | 46,400 | 75,000 | |
| Jul 03 2006 | PLUG | PLUG POWER INC | Smart Hydrogen Inc | 10% Owner | Option Exercise | P | 0.00 | 395,000 | 0 | 395,000 | |
| Jul 03 2006 | PLUG | PLUG POWER INC | Smart Hydrogen Inc | 10% Owner | Buy | P | 5.40 | 1,825,000 | 9,855,000 | 4,550,940 | 2.7 M to 4.6 M (+66.95 %) |
| Jul 03 2006 | PLUG | PLUG POWER INC | Smart Hydrogen Inc | 10% Owner | Buy | P | 5.50 | 11,240 | 61,820 | 2,725,940 | 2.7 M to 2.7 M (+0.41 %) |
| Jun 30 2006 | PLUG | PLUG POWER INC | Batekhin Sergey | Director | Option Exercise | A | 4.74 | 15,000 | 71,100 | 15,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | Gross Joel D | Director | Option Exercise | A | 4.74 | 15,000 | 71,100 | 15,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | Polikarpov Sergey | Director | Option Exercise | A | 4.74 | 15,000 | 71,100 | 15,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | GRANT J DOUGLAS | Director | Option Exercise | A | 4.64 | 10,000 | 46,400 | 55,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Option Exercise | A | 4.64 | 15,000 | 69,600 | 90,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Option Exercise | A | 4.64 | 12,000 | 55,680 | 47,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | MCNAMEE GEORGE C | Director | Option Exercise | A | 4.64 | 15,000 | 69,600 | 300,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | Woicke Peter | Director | Option Exercise | A | 4.64 | 10,000 | 46,400 | 25,000 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 4.64 | 12,000 | 55,680 | 128,685 | |
| Jun 30 2006 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Option Exercise | A | 4.64 | 10,000 | 46,400 | 95,000 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | ELTER JOHN F | Chief Technology Of ... | Option Exercise | A | 5.58 | 20,000 | 111,600 | 105,810 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | ELTER JOHN F | Chief Technology Of ... | Grant | A | 5.58 | 10,000 | 55,800 | 44,153 | 34.2 K to 44.2 K (+29.28 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | ELTER JOHN F | Chief Technology Of ... | Grant | A | 5.58 | 6,050 | 33,759 | 34,153 | 28.1 K to 34.2 K (+21.53 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 5.58 | 40,000 | 223,200 | 116,979 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Grant | A | 5.58 | 21,000 | 117,180 | 35,282 | 14.3 K to 35.3 K (+147.04 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Grant | A | 5.58 | 1,815 | 10,128 | 14,282 | 12.5 K to 14.3 K (+14.56 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Option Exercise | A | 5.58 | 40,000 | 223,200 | 295,000 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Grant | A | 5.58 | 21,000 | 117,180 | 45,399 | 24.4 K to 45.4 K (+86.07 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Grant | A | 5.58 | 1,815 | 10,128 | 24,399 | 22.6 K to 24.4 K (+8.04 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | SPERRY MARK A | Chief Marketing Off ... | Option Exercise | A | 5.58 | 40,000 | 223,200 | 120,027 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | SPERRY MARK A | Chief Marketing Off ... | Grant | A | 5.58 | 21,000 | 117,180 | 70,407 | 49.4 K to 70.4 K (+42.50 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | SPERRY MARK A | Chief Marketing Off ... | Grant | A | 5.58 | 1,815 | 10,128 | 49,407 | 47.6 K to 49.4 K (+3.81 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | Conway Gerard L JR | General Counsel | Option Exercise | A | 5.58 | 30,000 | 167,400 | 54,121 | |
| Feb 10 2006 | PLUG | PLUG POWER INC | Conway Gerard L JR | General Counsel | Grant | A | 5.58 | 15,000 | 83,700 | 20,583 | 5.6 K to 20.6 K (+268.67 %) |
| Feb 10 2006 | PLUG | PLUG POWER INC | Conway Gerard L JR | General Counsel | Grant | A | 5.58 | 1,815 | 10,128 | 5,583 | 3.8 K to 5.6 K (+48.17 %) |
| Feb 06 2006 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Buy | P | 5.95 | 4,950 | 29,453 | 4,950 | 0 to 5 K |
| Sep 23 2005 | PLUG | PLUG POWER INC | Conway Gerard L JR | General Counsel | Payment of Exercise | F | 6.58 | 415 | 2,731 | 3,768 | 4.2 K to 3.8 K (-9.92 %) |
| Sep 23 2005 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Payment of Exercise | F | 6.58 | 6,500 | 42,770 | 12,467 | 19 K to 12.5 K (-34.27 %) |
| Sep 23 2005 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Payment of Exercise | F | 6.58 | 13,200 | 86,856 | 28,103 | 41.3 K to 28.1 K (-31.96 %) |
| Sep 23 2005 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Payment of Exercise | F | 6.58 | 39,260 | 258,331 | 47,592 | 86.9 K to 47.6 K (-45.20 %) |
| Sep 23 2005 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Payment of Exercise | F | 6.58 | 14,451 | 95,088 | 22,584 | 37 K to 22.6 K (-39.02 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Option Exercise | A | 6.22 | 10,000 | 62,200 | 35,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Sell | D | 6.22 | 3,617 | 22,498 | 0 | 3.6 K to 0 (-100.00 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Grant | A | 6.22 | 3,617 | 22,498 | 3,617 | 0 to 3.6 K |
| Jun 03 2005 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Option Exercise | A | 6.22 | 10,000 | 62,200 | 35,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Sell | D | 6.22 | 2,814 | 17,503 | 0 | 2.8 K to 0 (-100.00 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Grant | A | 6.22 | 2,814 | 17,503 | 2,814 | 0 to 2.8 K |
| Jun 03 2005 | PLUG | PLUG POWER INC | MCNAMEE GEORGE C | Director | Option Exercise | A | 6.22 | 15,000 | 93,300 | 285,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | MCNAMEE GEORGE C | Director | Grant | A | 6.22 | 8,039 | 50,003 | 260,274 | 252.2 K to 260.3 K (+3.19 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Option Exercise | A | 6.22 | 12,000 | 74,640 | 89,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Sell | D | 6.22 | 6,431 | 40,001 | 4,000 | 10.4 K to 4 K (-61.65 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Grant | A | 6.22 | 6,431 | 40,001 | 10,413 | 4 K to 10.4 K (+161.50 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Option Exercise | A | 6.22 | 10,000 | 62,200 | 85,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Grant | A | 6.22 | 3,617 | 22,498 | 8,379 | 4.8 K to 8.4 K (+75.96 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Option Exercise | A | 6.22 | 10,000 | 62,200 | 65,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Sell | D | 6.22 | 2,814 | 17,503 | 0 | 2.8 K to 0 (-100.00 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Grant | A | 6.22 | 2,814 | 17,503 | 2,814 | 0 to 2.8 K |
| Jun 03 2005 | PLUG | PLUG POWER INC | GRANT J DOUGLAS | Director | Option Exercise | A | 6.22 | 10,000 | 62,200 | 45,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | GRANT J DOUGLAS | Director | Grant | A | 6.22 | 7,235 | 45,002 | 25,617 | 18.4 K to 25.6 K (+39.36 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 6.22 | 12,000 | 74,640 | 116,685 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 6.22 | 3,215 | 19,997 | 16,768 | 13.6 K to 16.8 K (+23.72 %) |
| Jun 03 2005 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Option Exercise | A | 6.22 | 15,000 | 93,300 | 115,000 | |
| Jun 03 2005 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Grant | A | 6.22 | 4,019 | 24,998 | 34,125 | 30.1 K to 34.1 K (+13.35 %) |
| May 16 2005 | PLUG | PLUG POWER INC | SAILLANT ROGER B | CEO | Grant | A | 5.63 | 5,000 | 28,150 | 50,169 | 45.2 K to 50.2 K (+11.07 %) |
| Mar 10 2005 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Sell | D | 7.49 | 1,118 | 8,374 | 37,035 | 38.2 K to 37 K (-2.93 %) |
| Feb 14 2005 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Sell | D | 5.55 | 725 | 4,024 | 86,852 | 87.6 K to 86.9 K (-0.83 %) |
| Jan 31 2005 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Option Exercise | A | 5.39 | 25,000 | 134,750 | 85,810 | |
| Jan 31 2005 | PLUG | PLUG POWER INC | Conway Gerard L JR | General Counsel | Option Exercise | A | 5.39 | 12,000 | 64,680 | 24,121 | |
| Jan 31 2005 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 5.39 | 25,000 | 134,750 | 76,979 | |
| Jan 31 2005 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Option Exercise | A | 5.39 | 25,000 | 134,750 | 255,000 | |
| Jan 31 2005 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Option Exercise | A | 5.39 | 25,000 | 134,750 | 80,027 | |
| Jan 04 2005 | PLUG | PLUG POWER INC | SAILLANT ROGER B | CEO | Option Exercise | A | 5.95 | 300,000 | 1,785,000 | 1,161,747 | |
| Aug 19 2004 | PLUG | PLUG POWER INC | SAILLANT ROGER B | President & CEO | Gift | G | 5.11 | 12,500 | 63,875 | 45,169 | 57.7 K to 45.2 K (-21.68 %) |
| Aug 25 2004 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Sell | D | 5.73 | 17,500 | 100,275 | 4,762 | 22.3 K to 4.8 K (-78.61 %) |
| Aug 19 2004 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Sell | D | 5.00 | 2,370 | 11,850 | 38,153 | 40.5 K to 38.2 K (-5.85 %) |
| Aug 19 2004 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Sell | D | 5.00 | 2,370 | 11,850 | 38,153 | 40.5 K to 38.2 K (-5.85 %) |
| Aug 12 2004 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Sell | D | 4.79 | 725 | 3,473 | 85,812 | 86.5 K to 85.8 K (-0.84 %) |
| May 26 2004 | PLUG | PLUG POWER INC | DTE ENERGY CO | 10% Owner | Sell | S | 7.82 | 3,500,000 | 27,370,000 | 10,629,463 | 14.1 M to 10.6 M (-24.77 %) |
| May 24 2004 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Option Exercise | A | 7.50 | 12,000 | 90,000 | 77,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Sell | D | 7.50 | 5,333 | 39,998 | 12,482 | 17.8 K to 12.5 K (-29.94 %) |
| May 24 2004 | PLUG | PLUG POWER INC | EARLEY ANTHONY F JR | Director | Grant | A | 7.50 | 5,333 | 39,998 | 17,815 | 12.5 K to 17.8 K (+42.73 %) |
| May 24 2004 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 100,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Option Exercise | A | 7.50 | 5,000 | 37,500 | 90,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | GARBERDING LARRY | Director | Grant | A | 7.50 | 3,000 | 22,500 | 30,106 | 27.1 K to 30.1 K (+11.07 %) |
| May 24 2004 | PLUG | PLUG POWER INC | GRANT J DOUGLAS | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 35,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | GRANT J DOUGLAS | Director | Grant | A | 7.50 | 2,000 | 15,000 | 18,382 | 16.4 K to 18.4 K (+12.21 %) |
| May 24 2004 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 25,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Sell | D | 7.50 | 1,333 | 9,998 | 0 | 1.3 K to 0 (-100.00 %) |
| May 24 2004 | PLUG | PLUG POWER INC | HELMER MAUREEN O | Director | Grant | A | 7.50 | 1,333 | 9,998 | 1,333 | 0 to 1.3 K |
| May 24 2004 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 55,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | HICKEY DOUGLAS T | Director | Grant | A | 7.50 | 2,000 | 15,000 | 2,000 | 0 to 2 K |
| May 24 2004 | PLUG | PLUG POWER INC | MCNAMEE GEORGE C | Director | Option Exercise | A | 7.50 | 15,000 | 112,500 | 270,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | MCNAMEE GEORGE C | Director | Grant | A | 7.50 | 4,667 | 35,003 | 24,825 | 20.2 K to 24.8 K (+23.15 %) |
| May 24 2004 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 75,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | SHALIKASHVILI JOHN M | Director | Grant | A | 7.50 | 2,000 | 15,000 | 22,262 | 20.3 K to 22.3 K (+9.87 %) |
| May 24 2004 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 7.50 | 12,000 | 90,000 | 104,685 | |
| May 24 2004 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 7.50 | 2,000 | 15,000 | 13,553 | 11.6 K to 13.6 K (+17.31 %) |
| May 24 2004 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Option Exercise | A | 7.50 | 10,000 | 75,000 | 25,000 | |
| May 24 2004 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Sell | D | 7.50 | 1,667 | 12,503 | 1,553 | 3.2 K to 1.6 K (-51.77 %) |
| May 24 2004 | PLUG | PLUG POWER INC | STEWART RICHARD ROSS | Director | Grant | A | 7.50 | 1,667 | 12,503 | 3,220 | 1.6 K to 3.2 K (+107.34 %) |
| May 17 2004 | PLUG | PLUG POWER INC | SAILLANT ROGER B | President & CEO | Gift | G | 7.71 | 750 | 5,783 | 57,669 | 58.4 K to 57.7 K (-1.28 %) |
| May 17 2004 | PLUG | PLUG POWER INC | SAILLANT ROGER B | President & CEO | Grant | A | 7.71 | 4,800 | 37,008 | 58,419 | 53.6 K to 58.4 K (+8.95 %) |
| Apr 05 2004 | PLUG | PLUG POWER INC | SAILLANT ROGER B | President & CEO | Option Exercise | A | 7.70 | 100,000 | 770,000 | 861,747 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Option Exercise | A | 9.20 | 25,000 | 230,000 | 230,000 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | SILVESTRI GREGORY A | Chief Operating Off ... | Grant | A | 0.00 | 6,712 | 0 | 40,523 | 33.8 K to 40.5 K (+19.85 %) |
| Feb 12 2004 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Option Exercise | A | 9.20 | 20,000 | 184,000 | 55,027 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Option Exercise | A | 8.53 | 27,000 | 230,310 | 35,027 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Option Exercise | A | 8.53 | 8,027 | 68,470 | 8,027 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | SPERRY MARK A | VP and Chief Market ... | Grant | A | 0.00 | 5,370 | 0 | 86,537 | 81.2 K to 86.5 K (+6.62 %) |
| Feb 12 2004 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Option Exercise | A | 9.20 | 25,000 | 230,000 | 60,810 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Option Exercise | A | 8.53 | 27,000 | 230,310 | 35,810 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Option Exercise | A | 8.53 | 8,810 | 75,149 | 8,810 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | ELTER JOHN F | VP Res. & System A ... | Grant | A | 0.00 | 6,712 | 0 | 41,303 | 34.6 K to 41.3 K (+19.40 %) |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 9.20 | 18,500 | 170,200 | 51,979 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 8.53 | 23,916 | 204,003 | 33,479 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | D | 17.94 | 10,000 | 179,400 | 9,563 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | D | 83.50 | 18,000 | 1,503,000 | 9,563 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | D | 11.00 | 14,000 | 154,000 | 9,563 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 5.00 | 4,563 | 22,815 | 9,563 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 5.00 | 3,000 | 15,000 | 5,000 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Option Exercise | A | 1.00 | 2,000 | 2,000 | 2,000 | |
| Feb 12 2004 | PLUG | PLUG POWER INC | NEUMANN DAVID A | Chief Financial Off ... | Grant | A | 0.00 | 4,967 | 0 | 18,967 | 14 K to 19 K (+35.48 %) |
| Aug 19 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | Sell | S | 5.29 | 500,000 | 2,645,000 | 6,073,227 | 6.6 M to 6.1 M (-7.61 %) | |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.94 | 285,500 | 1,410,370 | 6,573,227 | 6.9 M to 6.6 M (-4.16 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.14 | 7,500 | 31,050 | 6,858,727 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.12 | 7,821 | 32,223 | 6,866,227 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.07 | 7,500 | 30,525 | 6,874,048 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.10 | 2,865 | 11,747 | 6,881,548 | 6.9 M to 6.9 M (-0.04 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.94 | 285,500 | 1,410,370 | 6,573,227 | 6.9 M to 6.6 M (-4.16 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.14 | 7,500 | 31,050 | 6,858,727 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.12 | 7,821 | 32,223 | 6,866,227 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.07 | 7,500 | 30,525 | 6,874,048 | 6.9 M to 6.9 M (-0.11 %) |
| Aug 18 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.10 | 2,865 | 11,747 | 6,881,548 | 6.9 M to 6.9 M (-0.04 %) |
| Aug 11 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.00 | 5,000 | 20,000 | 6,884,413 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 11 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.05 | 5,000 | 20,250 | 6,889,413 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 11 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.13 | 5,000 | 20,650 | 6,894,413 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 11 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.26 | 2,500 | 10,650 | 6,899,413 | 6.9 M to 6.9 M (-0.04 %) |
| Aug 11 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.26 | 5,000 | 21,300 | 6,901,913 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 04 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.39 | 5,000 | 21,950 | 6,906,913 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 04 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.51 | 5,000 | 22,550 | 6,911,913 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 04 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.58 | 5,000 | 22,900 | 6,916,913 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 04 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.56 | 5,000 | 22,800 | 6,921,913 | 6.9 M to 6.9 M (-0.07 %) |
| Aug 04 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.52 | 5,000 | 22,600 | 6,926,913 | 6.9 M to 6.9 M (-0.07 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.40 | 5,000 | 22,000 | 6,931,913 | 6.9 M to 6.9 M (-0.07 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.52 | 5,000 | 22,600 | 6,936,913 | 6.9 M to 6.9 M (-0.07 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.51 | 10,314 | 46,516 | 6,941,913 | 7 M to 6.9 M (-0.15 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.40 | 12,100 | 53,240 | 6,952,227 | 7 M to 7 M (-0.17 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.49 | 8,900 | 39,961 | 6,964,327 | 7 M to 7 M (-0.13 %) |
| Jul 28 2003 | PLUG | PLUG POWER INC | MECHANICAL TECHNOLOGY INC | 10% Owner | Sell | S | 4.40 | 5,000 | 22,000 | 6,931,913 | 6.9 M to 6.9 M (-0.07 %) |