GARY K WILLIS Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of GARY K WILLIS. GARY K WILLIS is Chief Executive Officer in ZYGO CORP ($ZIGO) and Director in ZYGO CORP ($ZIGO) and Director in BENTHOS INC ($BTHS) and Director in ROFIN SINAR TECHNOLOGIES INC ($RSTI) and Director in PLUG POWER INC ($PLUG).
Latest Insider Trading Transactions of GARY K WILLIS
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Sentiment: All, BTHS, PLUG, RSTI, ZIGO
Page: 1
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 06 2021 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 258 | 0 | 411,191 | 410.9 K to 411.2 K (+0.06 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | M | 0.38 | 12,000 | 4,560 | 0 | |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | M | 1.22 | 12,000 | 14,640 | 0 | |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | M | 1.93 | 65,000 | 125,450 | 0 | |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | M | 5.10 | 1,200 | 6,120 | 0 | |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Sell | S | 27.46 | 14,300 | 392,734 | 410,933 | 425.2 K to 410.9 K (-3.36 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Sell | S | 26.75 | 75,900 | 2,029,953 | 425,233 | 501.1 K to 425.2 K (-15.15 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Buy | M | 0.38 | 12,000 | 4,560 | 501,133 | 489.1 K to 501.1 K (+2.45 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Buy | M | 1.22 | 12,000 | 14,640 | 489,133 | 477.1 K to 489.1 K (+2.52 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Buy | M | 1.93 | 65,000 | 125,450 | 477,133 | 412.1 K to 477.1 K (+15.77 %) |
| Dec 15 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Buy | M | 5.10 | 1,200 | 6,120 | 412,133 | 410.9 K to 412.1 K (+0.29 %) |
| Oct 05 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 652 | 0 | 410,933 | 410.3 K to 410.9 K (+0.16 %) |
| Jul 06 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 1,066 | 0 | 410,281 | 409.2 K to 410.3 K (+0.26 %) |
| Jun 09 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 4.88 | 12,807 | 62,498 | 12,807 | |
| Jun 09 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 12,807 | 0 | 409,215 | 396.4 K to 409.2 K (+3.23 %) |
| Jan 06 2020 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 3.16 | 2,769 | 8,750 | 393,936 | 391.2 K to 393.9 K (+0.71 %) |
| Oct 03 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.63 | 3,327 | 8,750 | 391,167 | 387.8 K to 391.2 K (+0.86 %) |
| Jul 03 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.25 | 3,889 | 8,750 | 387,840 | 384 K to 387.8 K (+1.01 %) |
| Jul 01 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 2.31 | 27,056 | 62,499 | 27,056 | |
| Jul 01 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.31 | 27,056 | 62,499 | 383,951 | 356.9 K to 384 K (+7.58 %) |
| Apr 03 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.40 | 3,646 | 8,750 | 356,895 | 353.2 K to 356.9 K (+1.03 %) |
| Jan 04 2019 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.24 | 7,056 | 8,749 | 353,249 | 346.2 K to 353.2 K (+2.04 %) |
| Oct 03 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.92 | 4,557 | 8,749 | 346,193 | 341.6 K to 346.2 K (+1.33 %) |
| Jul 05 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.02 | 4,332 | 8,751 | 341,636 | 337.3 K to 341.6 K (+1.28 %) |
| May 18 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 2.11 | 29,621 | 62,500 | 29,621 | |
| May 18 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.11 | 29,621 | 62,500 | 337,304 | 307.7 K to 337.3 K (+9.63 %) |
| Apr 04 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.89 | 4,630 | 8,751 | 307,683 | 303.1 K to 307.7 K (+1.53 %) |
| Jan 04 2018 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.36 | 3,708 | 8,751 | 303,053 | 299.3 K to 303.1 K (+1.24 %) |
| Oct 10 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.61 | 3,352 | 8,749 | 299,345 | 296 K to 299.3 K (+1.13 %) |
| Sep 05 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.04 | 4,289 | 8,750 | 295,993 | 291.7 K to 296 K (+1.47 %) |
| Jun 30 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 2.13 | 29,343 | 62,501 | 29,343 | |
| Jun 30 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.13 | 29,343 | 62,501 | 291,704 | 262.4 K to 291.7 K (+11.18 %) |
| Apr 05 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.38 | 6,341 | 8,751 | 262,361 | 256 K to 262.4 K (+2.48 %) |
| Jan 05 2017 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.20 | 7,292 | 8,750 | 256,020 | 248.7 K to 256 K (+2.93 %) |
| Nov 07 2016 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | J | 0.00 | 54,000 | 0 | 0 | 54 K to 0 (-100.00 %) |
| Oct 17 2016 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.71 | 5,117 | 8,750 | 248,728 | 243.6 K to 248.7 K (+2.10 %) |
| Oct 04 2016 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 31.64 | 3,000 | 94,920 | 54,000 | 51 K to 54 K (+5.88 %) |
| Jul 05 2016 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.86 | 4,704 | 8,749 | 243,611 | 238.9 K to 243.6 K (+1.97 %) |
| May 20 2016 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 1.76 | 30,000 | 52,800 | 30,000 | |
| Apr 05 2016 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.05 | 4,268 | 8,749 | 238,907 | 234.6 K to 238.9 K (+1.82 %) |
| Jan 15 2016 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.10 | 4,167 | 8,751 | 231,639 | 227.5 K to 231.6 K (+1.83 %) |
| Oct 28 2015 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 1.88 | 4,654 | 8,750 | 227,472 | 222.8 K to 227.5 K (+2.09 %) |
| Oct 02 2015 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 25.65 | 3,000 | 76,950 | 51,000 | 48 K to 51 K (+6.25 %) |
| Jul 17 2015 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Option Exercise | A | 2.62 | 30,000 | 78,600 | 30,000 | |
| Jul 17 2015 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 2.35 | 3,723 | 8,749 | 222,818 | 219.1 K to 222.8 K (+1.70 %) |
| Oct 02 2014 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 22.91 | 3,000 | 68,730 | 48,000 | 45 K to 48 K (+6.67 %) |
| Jun 20 2014 | ZIGO | ZYGO CORP | WILLIS GARY K | Chief Executive Off ... | Option Exercise | J | 5.09 | 16,000 | 81,440 | 0 | |
| Jun 20 2014 | ZIGO | ZYGO CORP | WILLIS GARY K | Chief Executive Off ... | Sell | J | 0.00 | 111,646 | 0 | 0 | 111.6 K to 0 (-100.00 %) |
| Nov 13 2013 | ZIGO | ZYGO CORP | WILLIS GARY K | Chief Executive Off ... | Grant | A | 0.00 | 10,000 | 0 | 111,646 | 101.6 K to 111.6 K (+9.84 %) |
| Oct 02 2013 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 24.32 | 3,000 | 72,960 | 45,000 | 42 K to 45 K (+7.14 %) |
| Nov 14 2012 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Grant | A | 0.00 | 5,000 | 0 | 101,646 | 96.6 K to 101.6 K (+5.17 %) |
| Oct 02 2012 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Gift | G | 0.00 | 3,000 | 0 | 42,000 | 39 K to 42 K (+7.69 %) |
| Aug 31 2012 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Sell | S | 19.83 | 50,000 | 991,380 | 96,646 | 146.6 K to 96.6 K (-34.10 %) |
| Nov 16 2011 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Grant | A | 0.00 | 5,000 | 0 | 146,646 | 141.6 K to 146.6 K (+3.53 %) |
| Oct 11 2011 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Gift | G | 0.00 | 3,000 | 0 | 39,000 | 36 K to 39 K (+8.33 %) |
| Nov 16 2010 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Grant | A | 0.00 | 5,000 | 0 | 141,646 | 136.6 K to 141.6 K (+3.66 %) |
| Nov 15 2010 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 28.73 | 3,000 | 86,175 | 36,000 | 39 K to 36 K (-7.69 %) |
| Oct 04 2010 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Gift | G | 0.00 | 3,000 | 0 | 39,000 | 36 K to 39 K (+8.33 %) |
| Feb 12 2010 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Grant | A | 0.00 | 5,000 | 0 | 136,646 | 131.6 K to 136.6 K (+3.80 %) |
| Oct 02 2009 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Gift | G | 0.00 | 3,000 | 0 | 36,000 | 33 K to 36 K (+9.09 %) |
| Jun 18 2009 | ZIGO | ZYGO CORP | WILLIS GARY K | Director | Option Exercise | A | 5.09 | 16,000 | 81,440 | 16,000 | |
| Oct 02 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 0.00 | 3,000 | 0 | 33,000 | 30 K to 33 K (+10.00 %) |
| Oct 06 2008 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 5,409 | 0 | 38,039 | 32.6 K to 38 K (+16.58 %) |
| Jul 03 2008 | PLUG | PLUG POWER INC | WILLIS GARY K | Director | Grant | A | 0.00 | 2,195 | 0 | 32,630 | 30.4 K to 32.6 K (+7.21 %) |
| Feb 13 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 41.70 | 3,600 | 150,120 | 30,000 | 33.6 K to 30 K (-10.71 %) |
| Feb 13 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 41.71 | 400 | 16,682 | 33,600 | 34 K to 33.6 K (-1.18 %) |
| Feb 13 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 41.54 | 3,000 | 124,620 | 34,000 | 37 K to 34 K (-8.11 %) |
| Feb 12 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 40.60 | 3,000 | 121,800 | 37,000 | 40 K to 37 K (-7.50 %) |
| Feb 12 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 40.45 | 3,000 | 121,350 | 40,000 | 43 K to 40 K (-6.98 %) |
| Feb 12 2008 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Sell | S | 40.30 | 3,000 | 120,900 | 43,000 | 46 K to 43 K (-6.52 %) |
| Oct 02 2007 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 0.00 | 1,500 | 0 | 23,000 | 21.5 K to 23 K (+6.98 %) |
| Mar 20 2007 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 57.05 | 1,500 | 85,575 | 21,500 | 20 K to 21.5 K (+7.50 %) |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Option Exercise | M | 2.86 | 1,500 | 4,290 | 0 | |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Option Exercise | M | 3.78 | 7,500 | 28,350 | 0 | |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Option Exercise | M | 14.25 | 15,000 | 213,750 | 0 | |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Option Exercise | M | 5.48 | 1,500 | 8,220 | 0 | |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Sell | D | 17.50 | 40,500 | 708,750 | 0 | 40.5 K to 0 (-100.00 %) |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Sell | M | 2.86 | 1,500 | 4,290 | 40,500 | 42 K to 40.5 K (-3.57 %) |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Sell | M | 3.78 | 7,500 | 28,350 | 39,000 | 46.5 K to 39 K (-16.13 %) |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Sell | M | 14.25 | 15,000 | 213,750 | 31,500 | 46.5 K to 31.5 K (-32.26 %) |
| Jan 27 2006 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Sell | M | 5.48 | 1,500 | 8,220 | 16,500 | 18 K to 16.5 K (-8.33 %) |
| Oct 04 2004 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 0.00 | 1,500 | 0 | 18,500 | 17 K to 18.5 K (+8.82 %) |
| Mar 08 2004 | BTHS | BENTHOS INC | WILLIS GARY K | Director | Option Exercise | A | 5.48 | 1,500 | 8,220 | 1,500 | |
| Oct 03 2003 | RSTI | ROFIN SINAR TECHNO ... | WILLIS GARY K | Director | Grant | A | 0.00 | 1,500 | 0 | 15,500 | 14 K to 15.5 K (+10.71 %) |
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