Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Plug Power Inc (PLUG) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Plug Power Inc. Table 2 shows the detailed insider transactions. This company's CIK number is 1093691.
Total stock buying since 2015: $1,626,615.
Total stock sales since 2015: $285,283,542.
Total stock option exercises since 2015: $28,235,325.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 1,000,000 | $922,350 | 37,300 | $49,236 | 0 | $0 |
| 2024 | 0 | $0 | 30,000 | $70,220 | 0 | $0 |
| 2023 | 0 | $0 | 31,958 | $230,097 | 243,964 | $321,604 |
| 2021 | 0 | $0 | 799,247 | $47,001,899 | 1,701,600 | $2,829,460 |
| 2020 | 0 | $0 | 17,052,721 | $226,644,474 | 11,244,738 | $25,047,261 |
| 2019 | 112,286 | $263,802 | 0 | $0 | 396,667 | $0 |
| 2018 | 0 | $0 | 131,343 | $240,186 | 100,000 | $37,000 |
| 2017 | 200,000 | $440,463 | 23,738 | $39,187 | 13,332 | $0 |
| 2016 | 0 | $0 | 126,153 | $216,356 | 146,667 | $0 |
| 2015 | 0 | $0 | 6,446,415 | $10,791,887 | 13,334 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-06 | 650,000 | $672,100 | 37,300 | $49,236 | 0 | $0 |
| 2025-05 | 350,000 | $250,250 | 0 | $0 | 0 | $0 |
| 2024-11 | 0 | $0 | 10,000 | $20,920 | 0 | $0 |
| 2024-08 | 0 | $0 | 10,000 | $23,720 | 0 | $0 |
| 2024-05 | 0 | $0 | 10,000 | $25,580 | 0 | $0 |
| 2023-10 | 0 | $0 | 31,958 | $230,097 | 143,964 | $264,605 |
| 2023-09 | 0 | $0 | 0 | $0 | 100,000 | $56,999 |
| 2021-08 | 0 | $0 | 0 | $0 | 863,333 | $0 |
| 2021-07 | 0 | $0 | 5,700 | $162,068 | 0 | $0 |
| 2021-05 | 0 | $0 | 0 | $0 | 50,000 | $0 |
| 2021-01 | 0 | $0 | 793,547 | $46,839,831 | 788,267 | $2,829,460 |
| 2020-12 | 0 | $0 | 920,511 | $27,529,736 | 840,200 | $1,423,816 |
| 2020-11 | 0 | $0 | 3,985,977 | $92,159,686 | 155,909 | $312,406 |
| 2020-10 | 0 | $0 | 1,885,417 | $33,203,010 | 1,600,134 | $3,494,625 |
| 2020-09 | 0 | $0 | 310,352 | $4,016,772 | 200,000 | $1,078,000 |
| 2020-08 | 0 | $0 | 1,258,097 | $15,759,693 | 2,198,332 | $2,366,978 |
| 2020-07 | 0 | $0 | 1,553,159 | $15,462,093 | 1,514,834 | $5,392,117 |
| 2020-06 | 0 | $0 | 3,012,917 | $19,276,301 | 2,911,996 | $7,874,287 |
| 2020-05 | 0 | $0 | 0 | $0 | 50,000 | $0 |
| 2020-04 | 0 | $0 | 2,017,958 | $8,750,193 | 65,000 | $125,450 |
| 2020-02 | 0 | $0 | 1,908,334 | $9,711,295 | 1,508,334 | $2,665,584 |
| 2020-01 | 0 | $0 | 199,999 | $775,695 | 199,999 | $313,998 |
| 2019-08 | 0 | $0 | 0 | $0 | 396,667 | $0 |
| 2019-03 | 112,286 | $263,802 | 0 | $0 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-11 | Crespo Jose Luis (Chief Revenue Officer) | Sale | 37,300 | 1.32 | 49,236 |
| 2025-06-09 | Middleton Paul B (See Remarks) | Buy | 650,000 | 1.03 | 672,100 |
| 2025-05-16 | Middleton Paul B (CFO & Executive VP) | Buy | 350,000 | .71 | 250,250 |
| 2024-11-01 | Mcnamee George C | Sale | 10,000 | 2.09 | 20,920 |
| 2024-08-01 | Mcnamee George C | Sale | 10,000 | 2.37 | 23,720 |
| 2024-05-10 | Mcnamee George C | Sale | 10,000 | 2.56 | 25,580 |
| 2023-10-23 | Kenausis Gregory | Option Ex | 143,964 | 1.84 | 264,605 |
| 2023-10-02 | Crespo Jose Luis (GM, MATL Handling, Key Accts) | Sale | 31,958 | 7.20 | 230,097 |
| 2023-09-15 | Schmid Keith (GM New Mkts & Pres New Prd Dv) | Option Ex | 100,000 | .57 | 56,999 |
| 2021-08-28 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 13,333 | .00 | 0 |
| 2021-08-28 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | .00 | 0 |
| 2021-08-28 | Marsh Andrew (President & CEO) | Option Ex | 166,667 | .00 | 0 |
| 2021-08-28 | Conway Gerard L Jr (Gen. Coun, Corp Sec., Sr. VP) | Option Ex | 66,667 | .00 | 0 |
| 2021-08-28 | Middleton Paul B (CFO & Senior VP) | Option Ex | 66,667 | .00 | 0 |
| 2021-08-19 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 16,666 | .00 | 0 |
| 2021-08-19 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,334 | .00 | 0 |
| 2021-08-19 | Marsh Andrew (President & CEO) | Option Ex | 216,666 | .00 | 0 |
| 2021-08-19 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Option Ex | 66,666 | .00 | 0 |
| 2021-08-19 | Middleton Paul B (CFO & Senior VP) | Option Ex | 83,334 | .00 | 0 |
| 2021-07-13 | Shrestha Sanjay K (Chief Strategy Officer) | Sale | 5,700 | 28.43 | 162,068 |
| 2021-05-09 | Shrestha Sanjay K (Chief Strategy Officer) | Option Ex | 50,000 | .00 | 0 |
| 2021-01-19 | Marsh Andrew (President & CEO) | Sale | 573,268 | 65.67 | 37,648,802 |
| 2021-01-19 | Marsh Andrew (President & CEO) | Option Ex | 573,268 | 4.12 | 2,361,864 |
| 2021-01-13 | Mcnamee George C | Sale | 10,000 | 70.45 | 704,500 |
| 2021-01-13 | Mcnamee George C | Option Ex | 10,000 | 2.13 | 21,300 |
| 2021-01-12 | Mcnamee George C | Sale | 10,000 | 62.40 | 624,000 |
| 2021-01-12 | Mcnamee George C | Option Ex | 10,000 | 1.76 | 17,600 |
| 2021-01-11 | Silver Jonathan M | Sale | 1,780 | 48.92 | 87,077 |
| 2021-01-08 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Sale | 33,333 | 52.07 | 1,735,649 |
| 2021-01-08 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Option Ex | 33,333 | 2.62 | 87,332 |
| 2021-01-08 | Mcnamee George C | Sale | 10,000 | 52.07 | 520,700 |
| 2021-01-08 | Mcnamee George C | Option Ex | 10,000 | 1.76 | 17,600 |
| 2021-01-07 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Sale | 33,333 | 43.68 | 1,456,118 |
| 2021-01-07 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Option Ex | 33,333 | 2.23 | 74,332 |
| 2021-01-06 | Mcnamee George C | Sale | 10,000 | 35.00 | 350,000 |
| 2021-01-06 | Mcnamee George C | Option Ex | 10,000 | 1.76 | 17,600 |
| 2021-01-04 | Schneider Lucas P | Sale | 3,500 | 32.77 | 114,705 |
| 2021-01-04 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Sale | 108,333 | 33.22 | 3,598,280 |
| 2021-01-04 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Option Ex | 108,333 | 2.14 | 231,832 |
| 2020-12-28 | Kenausis Gregory | Sale | 55,000 | 35.55 | 1,955,140 |
| 2020-12-24 | Middleton Paul B (CFO & Senior VP) | Sale | 216,667 | 35.13 | 7,611,511 |
| 2020-12-24 | Middleton Paul B (CFO & Senior VP) | Option Ex | 216,667 | 2.27 | 491,834 |
| 2020-12-17 | Schmid Keith (COO & Sr. VP) | Sale | 200,000 | 30.00 | 6,000,000 |
| 2020-12-17 | Schmid Keith (COO & Sr. VP) | Option Ex | 200,000 | .57 | 113,999 |
| 2020-12-17 | Helmer Maureen O | Sale | 10,000 | 30.00 | 300,000 |
| 2020-12-15 | Schmid Keith (COO & Sr. VP) | Sale | 83,333 | 27.04 | 2,253,074 |
| 2020-12-15 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | 1.96 | 163,332 |
| 2020-12-14 | Schmid Keith (COO & Sr. VP) | Sale | 250,000 | 26.23 | 6,557,500 |
| 2020-12-14 | Schmid Keith (COO & Sr. VP) | Option Ex | 250,000 | 1.84 | 460,000 |
| 2020-12-14 | Helmer Maureen O | Sale | 15,311 | 26.62 | 407,640 |
| 2020-12-11 | Willis Gary K | Sale | 90,200 | 27.11 | 2,444,871 |
| 2020-12-11 | Willis Gary K | Option Ex | 90,200 | 2.16 | 194,651 |
| 2020-11-13 | Fivet Capital Holding Ag (Director) | Sale | 1,915,034 | 23.18 | 44,386,658 |
| 2020-11-13 | Roth Johannes Minho (Director) | Sale | 1,915,034 | 23.18 | 44,386,658 |
| 2020-11-12 | Schmid Keith (COO & Sr. VP) | Sale | 83,333 | 22.84 | 1,903,325 |
| 2020-11-12 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | 1.72 | 143,332 |
| 2020-11-09 | Silver Jonathan M (Director) | Sale | 42,576 | 20.00 | 851,605 |
| 2020-11-09 | Silver Jonathan M (Director) | Option Ex | 42,576 | 2.12 | 90,474 |
| 2020-11-09 | Mcnamee George C (Director) | Sale | 30,000 | 21.05 | 631,440 |
| 2020-11-09 | Mcnamee George C (Director) | Option Ex | 30,000 | 2.62 | 78,600 |
| 2020-10-14 | Silver Jonathan M (Director) | Sale | 76,286 | 17.39 | 1,326,766 |
| 2020-10-14 | Silver Jonathan M (Director) | Option Ex | 61,800 | 1.94 | 119,892 |
| 2020-10-12 | Kenausis Gregory (Director) | Sale | 60,000 | 18.09 | 1,085,400 |
| 2020-10-12 | Middleton Paul B (CFO & Senior VP) | Sale | 697,066 | 18.49 | 12,885,962 |
| 2020-10-12 | Middleton Paul B (CFO & Senior VP) | Option Ex | 550,000 | 2.14 | 1,177,000 |
| 2020-10-08 | Mcnamee George C (Director) | Sale | 45,000 | 19.00 | 855,000 |
| 2020-10-08 | Mcnamee George C (Director) | Option Ex | 45,000 | 2.41 | 108,450 |
| 2020-10-07 | Schmid Keith (COO & Sr. VP) | Sale | 650,000 | 18.00 | 11,703,250 |
| 2020-10-07 | Schmid Keith (COO & Sr. VP) | Option Ex | 650,000 | 2.14 | 1,391,000 |
| 2020-10-06 | Schmid Keith (COO & Sr. VP) | Sale | 83,334 | 16.04 | 1,336,677 |
| 2020-10-06 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,334 | 2.43 | 202,501 |
| 2020-10-05 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 68,565 | 14.88 | 1,019,904 |
| 2020-10-05 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 43,334 | 2.10 | 90,784 |
| 2020-10-05 | Schmid Keith (COO & Sr. VP) | Sale | 83,333 | 15.00 | 1,249,995 |
| 2020-10-05 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | 2.43 | 202,499 |
| 2020-10-05 | Helmer Maureen O (Director) | Sale | 35,000 | 15.00 | 525,000 |
| 2020-10-01 | Schneider Lucas P | Sale | 3,500 | 13.83 | 48,394 |
| 2020-10-01 | Schmid Keith (COO & Sr. VP) | Sale | 83,333 | 14.00 | 1,166,662 |
| 2020-10-01 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | 2.43 | 202,499 |
| 2020-09-21 | Schmid Keith (COO & Sr. VP) | Sale | 200,000 | 13.00 | 2,600,000 |
| 2020-09-21 | Schmid Keith (COO & Sr. VP) | Option Ex | 200,000 | 5.39 | 1,078,000 |
| 2020-09-18 | Helmer Maureen O (Director) | Sale | 75,000 | 13.28 | 996,225 |
| 2020-09-08 | Conway Gerard L Jr (Gen Counsel, Corp Sec, Sr VP) | Sale | 35,352 | 11.90 | 420,547 |
| 2020-08-31 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 33,333 | 13.11 | 436,995 |
| 2020-08-31 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 33,333 | 2.14 | 71,332 |
| 2020-08-31 | Marsh Andrew (President & CEO) | Sale | 104,412 | 12.98 | 1,354,954 |
| 2020-08-28 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 13,334 | .00 | 0 |
| 2020-08-28 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,334 | .00 | 0 |
| 2020-08-28 | Marsh Andrew (President & CEO) | Sale | 166,666 | 12.95 | 2,158,491 |
| 2020-08-28 | Marsh Andrew (President & CEO) | Option Ex | 333,332 | .98 | 326,665 |
| 2020-08-28 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr. VP) | Sale | 66,667 | 12.96 | 864,270 |
| 2020-08-28 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr. VP) | Option Ex | 133,333 | .98 | 130,666 |
| 2020-08-28 | Middleton Paul B (CFO & Senior VP) | Option Ex | 66,666 | .00 | 0 |
| 2020-08-27 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr. VP) | Sale | 35,353 | 13.01 | 460,048 |
| 2020-08-19 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 16,667 | .00 | 0 |
| 2020-08-19 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | .00 | 0 |
| 2020-08-19 | Marsh Andrew (President & CEO) | Sale | 216,666 | 13.90 | 3,012,740 |
| 2020-08-19 | Marsh Andrew (President & CEO) | Option Ex | 433,333 | 1.21 | 525,415 |
| 2020-08-19 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr. VP) | Option Ex | 66,667 | .00 | 0 |
| 2020-08-19 | Middleton Paul B (CFO & Senior VP) | Option Ex | 83,333 | .00 | 0 |
| 2020-08-10 | Middleton Paul B (CFO & Senior VP) | Sale | 550,000 | 12.00 | 6,600,000 |
| 2020-08-10 | Middleton Paul B (CFO & Senior VP) | Option Ex | 550,000 | 2.08 | 1,141,250 |
| 2020-08-06 | Shrestha Sanjay K (Chief Strategy Officer) | Sale | 20,000 | 10.15 | 203,020 |
| 2020-08-06 | Shrestha Sanjay K (Chief Strategy Officer) | Option Ex | 20,000 | 2.31 | 46,200 |
| 2020-08-06 | Mcnamee George C (Director) | Sale | 65,000 | 10.29 | 669,175 |
| 2020-08-06 | Mcnamee George C (Director) | Option Ex | 65,000 | 1.93 | 125,450 |
| 2020-07-13 | Mcnamee George C (Director) | Sale | 1,500 | 9.13 | 13,698 |
| 2020-07-13 | Mcnamee George C (Director) | Option Ex | 1,500 | 5.10 | 7,649 |
| 2020-07-09 | Shrestha Sanjay K (Chief Strategy Officer) | Sale | 64,825 | 8.82 | 572,015 |
| 2020-07-09 | Shrestha Sanjay K (Chief Strategy Officer) | Option Ex | 30,000 | 2.31 | 69,300 |
| 2020-07-06 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 66,667 | 10.00 | 666,670 |
| 2020-07-06 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 66,667 | 2.14 | 142,667 |
| 2020-07-06 | Marsh Andrew (President and CEO) | Sale | 1,166,667 | 10.01 | 11,678,336 |
| 2020-07-06 | Marsh Andrew (President and CEO) | Option Ex | 1,166,667 | 3.67 | 4,287,501 |
| 2020-07-06 | Middleton Paul B (CFO & Senior VP) | Sale | 250,000 | 10.00 | 2,500,000 |
| 2020-07-06 | Middleton Paul B (CFO & Senior VP) | Option Ex | 250,000 | 3.54 | 885,000 |
| 2020-07-01 | Schneider Lucas P | Sale | 3,500 | 8.96 | 31,374 |
| 2020-06-29 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr VP) | Sale | 291,000 | 7.95 | 2,311,995 |
| 2020-06-29 | Conway Gerard L Jr (Gen. Counsel, Corp Sec, Sr VP) | Option Ex | 291,000 | 5.75 | 1,671,795 |
| 2020-06-24 | Schmid Keith (COO & Sr. VP) | Sale | 30,621 | 7.25 | 222,002 |
| 2020-06-24 | Schmid Keith (COO & Sr. VP) | Option Ex | 30,621 | 5.39 | 165,047 |
| 2020-06-24 | Marsh Andrew (President & CEO) | Sale | 961,059 | 7.30 | 7,019,574 |
| 2020-06-24 | Marsh Andrew (President & CEO) | Option Ex | 961,059 | 2.29 | 2,196,019 |
| 2020-06-23 | Schmid Keith (COO & Sr. VP) | Sale | 169,379 | 7.00 | 1,185,991 |
| 2020-06-23 | Schmid Keith (COO & Sr. VP) | Option Ex | 169,379 | 5.39 | 912,952 |
| 2020-06-23 | Marsh Andrew (President & CEO) | Sale | 255,607 | 7.00 | 1,790,015 |
| 2020-06-23 | Marsh Andrew (President & CEO) | Option Ex | 255,607 | 2.29 | 584,061 |
| 2020-06-23 | Helmer Maureen O (Director) | Sale | 150,164 | 6.29 | 944,531 |
| 2020-06-23 | Helmer Maureen O (Director) | Option Ex | 150,164 | 2.62 | 393,279 |
| 2020-06-08 | Marsh Andrew (President and CEO) | Sale | 657,002 | 5.03 | 3,302,092 |
| 2020-06-08 | Marsh Andrew (President and CEO) | Option Ex | 657,002 | 1.93 | 1,268,013 |
| 2020-06-05 | Marsh Andrew (President and CEO) | Sale | 358,378 | 5.03 | 1,801,566 |
| 2020-06-05 | Marsh Andrew (President and CEO) | Option Ex | 358,378 | 1.72 | 616,410 |
| 2020-06-04 | Marsh Andrew (President and CEO) | Sale | 103,931 | 5.00 | 519,655 |
| 2020-06-04 | Marsh Andrew (President and CEO) | Option Ex | 38,786 | 1.72 | 66,711 |
| 2020-06-04 | Conway Gerard L Jr (Gen. Counsel, Corp. Sec.,Sr VP) | Sale | 35,776 | 5.00 | 178,880 |
| 2020-05-09 | Shrestha Sanjay K (Chief Strategy Officer) | Option Ex | 50,000 | .00 | 0 |
| 2020-04-23 | Fivet Capital Holding Ag (Director) | Sale | 552,529 | 4.35 | 2,402,396 |
| 2020-04-23 | Roth Johannes Minho (Director) | Sale | 552,529 | 4.35 | 2,402,396 |
| 2020-04-22 | Fivet Capital Holding Ag (Director) | Sale | 398,950 | 4.33 | 1,726,256 |
| 2020-04-22 | Roth Johannes Minho (Director) | Sale | 398,950 | 4.33 | 1,726,256 |
| 2020-04-16 | Helmer Maureen O (Director) | Sale | 115,000 | 4.29 | 492,889 |
| 2020-04-16 | Helmer Maureen O (Director) | Option Ex | 65,000 | 1.93 | 125,450 |
| 2020-02-20 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 35,000 | 6.00 | 210,000 |
| 2020-02-20 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 35,000 | 1.72 | 60,200 |
| 2020-02-20 | Schmid Keith (COO & Sr. VP) | Sale | 50,000 | 6.00 | 300,000 |
| 2020-02-20 | Schmid Keith (COO & Sr. VP) | Option Ex | 50,000 | .57 | 28,499 |
| 2020-02-19 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 35,000 | 5.50 | 192,500 |
| 2020-02-19 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 35,000 | 2.12 | 74,200 |
| 2020-02-19 | Marsh Andrew (President & CEO) | Sale | 834,036 | 5.10 | 4,254,417 |
| 2020-02-19 | Marsh Andrew (President & CEO) | Option Ex | 434,036 | 1.95 | 844,200 |
| 2020-02-19 | Conway Gerard L Jr (Gen. Counsel,Corp.Sec.,Sr. VP) | Sale | 367,534 | 5.10 | 1,872,953 |
| 2020-02-19 | Conway Gerard L Jr (Gen. Counsel,Corp.Sec.,Sr. VP) | Option Ex | 367,534 | 2.29 | 839,815 |
| 2020-02-18 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 35,000 | 5.00 | 175,000 |
| 2020-02-18 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 35,000 | 2.12 | 74,200 |
| 2020-02-18 | Schmid Keith (COO & Sr. VP) | Sale | 50,000 | 5.00 | 250,000 |
| 2020-02-18 | Schmid Keith (COO & Sr. VP) | Option Ex | 50,000 | .57 | 28,499 |
| 2020-02-18 | Marsh Andrew (President & CEO) | Sale | 315,964 | 5.00 | 1,579,820 |
| 2020-02-18 | Marsh Andrew (President & CEO) | Option Ex | 315,964 | 1.04 | 330,182 |
| 2020-02-18 | Conway Gerard L Jr (Gen. Counsel,Corp.Sec.,Sr. VP) | Sale | 115,800 | 5.00 | 579,000 |
| 2020-02-18 | Conway Gerard L Jr (Gen. Counsel,Corp.Sec.,Sr. VP) | Option Ex | 115,800 | 2.05 | 237,389 |
| 2020-02-12 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 35,000 | 4.50 | 157,605 |
| 2020-02-12 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 35,000 | 2.12 | 74,200 |
| 2020-02-04 | Hull Martin Daniel (Corporate Controller and CAO) | Sale | 35,000 | 4.00 | 140,000 |
| 2020-02-04 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 35,000 | 2.12 | 74,200 |
| 2020-01-13 | Conway Gerard L Jr (Gen.Counsel, Corp. Sec.,Sr. VP) | Sale | 99,999 | 4.26 | 425,695 |
| 2020-01-13 | Conway Gerard L Jr (Gen.Counsel, Corp. Sec.,Sr. VP) | Option Ex | 99,999 | 1.42 | 141,998 |
| 2020-01-06 | Conway Gerard L Jr (Gen.Counsel, Corp. Sec.,Sr. VP) | Sale | 100,000 | 3.50 | 350,000 |
| 2020-01-06 | Conway Gerard L Jr (Gen.Counsel, Corp. Sec.,Sr. VP) | Option Ex | 100,000 | 1.72 | 172,000 |
| 2019-08-28 | Hull Martin Daniel (Corporate Controller and CAO) | Option Ex | 13,333 | .00 | 0 |
| 2019-08-28 | Schmid Keith (COO & Sr. VP) | Option Ex | 83,333 | .00 | 0 |
| 2019-08-28 | Marsh Andrew (President and CEO) | Option Ex | 166,667 | .00 | 0 |
| 2019-08-28 | Conway Gerard L Jr (Gen.Counsel, Corp. Sec.,Sr. VP) | Option Ex | 66,667 | .00 | 0 |
| 2019-08-28 | Middleton Paul B (CFO & Senior VP) | Option Ex | 66,667 | .00 | 0 |
| 2019-03-18 | Mcnamee George C (Director) | Buy | 100,000 | 2.34 | 233,800 |
| 2019-03-14 | Marsh Andrew (President & CEO) | Buy | 12,286 | 2.44 | 30,002 |
| 2018-10-15 | Conway Gerard L Jr (GC, Corp Secretary & Senior VP) | Sale | 100,000 | 1.86 | 185,900 |
| 2018-10-15 | Conway Gerard L Jr (GC, Corp Secretary & Senior VP) | Option Ex | 100,000 | .37 | 37,000 |
| 2018-09-12 | Graves Gregory B (Director) | Sale | 31,343 | 1.73 | 54,286 |
| 2017-12-01 | Middleton Paul B (Chief Financial Officer) | Option Ex | 13,332 | .00 | 0 |
| 2017-09-22 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 4,855 | 2.40 | 11,661 |
| 2017-09-15 | Mcnamee George C (Director) | Buy | 25,000 | 2.21 | 55,250 |
| 2017-09-14 | Mcnamee George C (Director) | Buy | 25,000 | 2.34 | 58,475 |
| 2017-09-13 | Mcnamee George C (Director) | Buy | 25,000 | 2.34 | 58,500 |
| 2017-09-12 | Mcnamee George C (Director) | Buy | 25,000 | 2.17 | 54,250 |
| 2017-09-11 | Mcnamee George C (Director) | Buy | 25,000 | 2.13 | 53,250 |
| 2017-09-08 | Mcnamee George C (Director) | Buy | 49,400 | 2.15 | 106,210 |
| 2017-09-07 | Mcnamee George C (Director) | Buy | 25,600 | 2.13 | 54,528 |
| 2017-06-21 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 6,247 | 2.24 | 13,993 |
| 2017-03-16 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 12,636 | 1.07 | 13,533 |
| 2016-12-21 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 19,000 | 1.38 | 26,219 |
| 2016-12-01 | Middleton Paul B (Chief Financial Officer) | Option Ex | 13,334 | .00 | 0 |
| 2016-09-22 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 19,000 | 1.44 | 27,436 |
| 2016-07-23 | Marsh Andrew (President and CEO) | Option Ex | 122,222 | .00 | 0 |
| 2016-07-23 | Conway Gerard L Jr (General Counsel) | Option Ex | 11,111 | .00 | 0 |
| 2016-06-16 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 30,092 | 1.73 | 52,088 |
| 2016-03-24 | Helmer Maureen O (Director) | Sale | 30,000 | 1.96 | 58,800 |
| 2016-03-17 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 13,015 | 1.98 | 25,769 |
| 2015-12-16 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 13,281 | 2.26 | 30,015 |
| 2015-12-01 | Middleton Paul B (President, CFO) | Option Ex | 13,334 | .00 | 0 |
| 2015-09-22 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 15,494 | 2.19 | 33,931 |
| 2015-08-27 | Schmid Keith (Chief Operating Officer) | Sale | 14,000 | 1.80 | 25,200 |
| 2015-08-26 | Axane Sa (Director) | Sale | 6,394,539 | 1.67 | 10,678,880 |
| 2015-03-31 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 8,191 | 2.61 | 21,386 |
| 2015-03-30 | Air Liquide Investissements D'avenir Et De Demonstration (Director) | Sale | 910 | 2.72 | 2,475 |
Insider trading activities including stock purchases, stock sales, and option exercises of PLUG listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Plug Power Inc (symbol PLUG, CIK number 1093691) see the Securities and Exchange Commission (SEC) website.