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Gary K Willis
Insider
First SEC filing: Feb. 16, 2016 · Latest: Feb. 16, 2016
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 11, 2026 | PLUG | A | 39,753 | · | · | 39,753 Direct | · | Acquired | (price as of 2026-10-02) |
| June 11, 2026 | PLUG | A | 39,753 | · | · | 730,107 Direct | +5.76% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | PLUG | A | 16,497 | $1.97 | $32,499 | 690,354 Direct | +2.45% | Acquired | -3.6% (price as of 2026-10-02) |
| Oct. 1, 2025 | PLUG | A | 13,948 | $2.33 | $32,499 | 673,857 Direct | +2.11% | Acquired | -18.5% (price as of 2026-10-02) |
| July 3, 2025 | PLUG | A | 76,531 | · | · | 76,531 Direct | · | Acquired | (price as of 2026-10-02) |
| July 3, 2025 | PLUG | A | 76,531 | · | · | 659,909 Direct | +13.12% | Acquired | (price as of 2026-10-02) |
| July 1, 2025 | PLUG | A | 21,812 | $1.49 | $32,500 | 583,378 Direct | +3.88% | Acquired | 27.5% (price as of 2026-10-02) |
| April 1, 2025 | PLUG | A | 24,074 | $1.35 | $32,500 | 561,566 Direct | +4.48% | Acquired | 40.7% (price as of 2026-10-02) |
| Jan. 2, 2025 | PLUG | A | 15,258 | $2.13 | $32,500 | 537,492 Direct | +2.92% | Acquired | -10.8% (price as of 2026-10-02) |
| Oct. 1, 2024 | PLUG | A | 14,381 | $2.26 | $32,501 | 522,234 Direct | +2.83% | Acquired | -15.9% (price as of 2026-10-02) |
| July 1, 2024 | PLUG | A | 13,948 | $2.33 | $32,499 | 507,853 Direct | +2.82% | Acquired | -18.5% (price as of 2026-10-02) |
| June 5, 2024 | PLUG | A | 37,375 | · | · | 37,375 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2024 | PLUG | A | 37,375 | · | · | 493,905 Direct | +8.19% | Acquired | (price as of 2026-10-02) |
| April 1, 2024 | PLUG | A | 9,448 | $3.44 | $32,501 | 456,530 Direct | +2.11% | Acquired | -44.8% (price as of 2026-10-02) |
| Jan. 2, 2024 | PLUG | A | 3,611 | $4.50 | $16,250 | 447,082 Direct | +0.81% | Acquired | -57.8% (price as of 2026-10-02) |
| Oct. 2, 2023 | PLUG | A | 2,138 | $7.60 | $16,249 | 443,471 Direct | +0.48% | Acquired | -75.0% (price as of 2026-10-02) |
| July 3, 2023 | PLUG | A | 1,444 | $10.39 | $15,003 | 441,333 Direct | +0.33% | Acquired | -81.7% (price as of 2026-10-02) |
| June 27, 2023 | PLUG | A | 12,149 | · | · | 439,889 Direct | +2.84% | Acquired | (price as of 2026-10-02) |
| June 27, 2023 | PLUG | A | 12,149 | · | · | 12,149 Direct | · | Acquired | (price as of 2026-10-02) |
| April 3, 2023 | PLUG | A | 1,280 | $11.72 | $15,002 | 427,740 Direct | +0.30% | Acquired | -83.8% (price as of 2026-10-02) |
| Jan. 3, 2023 | PLUG | A | 909 | $12.37 | $11,244 | 426,460 Direct | +0.21% | Acquired | -84.6% (price as of 2026-10-02) |
| Oct. 3, 2022 | PLUG | A | 535 | $21.01 | $11,240 | 425,551 Direct | +0.13% | Acquired | -91.0% (price as of 2026-10-02) |
| July 1, 2022 | PLUG | A | 679 | $16.57 | $11,251 | 418,227 Direct | +0.16% | Acquired | -88.5% (price as of 2026-10-02) |
| June 30, 2022 | PLUG | A | 6,789 | · | · | 6,789 Direct | · | Acquired | (price as of 2026-10-02) |
| June 30, 2022 | PLUG | A | 6,789 | · | · | 425,016 Direct | +1.62% | Acquired | (price as of 2026-10-02) |
| April 1, 2022 | PLUG | A | 393 | $28.61 | $11,244 | 417,548 Direct | +0.09% | Acquired | -93.4% (price as of 2026-10-02) |
| Jan. 3, 2022 | PLUG | A | 399 | $28.23 | $11,264 | 417,155 Direct | +0.10% | Acquired | -93.3% (price as of 2026-10-02) |
| Oct. 1, 2021 | PLUG | A | 440 | $25.54 | $11,238 | 416,756 Direct | +0.11% | Acquired | -92.6% (price as of 2026-10-02) |
| Aug. 16, 2021 | PLUG | A | 4,482 | · | · | 416,316 Direct | +1.09% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2021 | PLUG | A | 4,482 | · | · | 4,482 Direct | · | Acquired | (price as of 2026-10-02) |
| July 15, 2021 | PLUG | A | 329 | $34.19 | $11,249 | 411,834 Direct | +0.08% | Acquired | -94.4% (price as of 2026-10-02) |
| July 15, 2021 | PLUG | A | 314 | $35.84 | $11,254 | 411,505 Direct | +0.08% | Acquired | -94.7% (price as of 2026-10-02) |
| Jan. 4, 2021 | PLUG | A | 258 | · | · | 411,191 Direct | +0.06% | Acquired | (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 12,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 65,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 1,200 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | S 10b5-1 | 14,300 | $27.46 | $392,678 | 410,933 Direct | -3.36% | Disposed | -93.1% (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | S 10b5-1 | 75,900 | $26.75 | $2,030,325 | 425,233 Direct | -15.15% | Disposed | -92.9% (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 12,000 | $0.38 | $4,560 | 501,133 Direct | +2.45% | Acquired | 400.0% (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 12,000 | $1.22 | $14,640 | 489,133 Direct | +2.52% | Acquired | 55.7% (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 65,000 | $1.93 | $125,450 | 477,133 Direct | +15.77% | Acquired | -1.6% (price as of 2026-10-02) |
| Dec. 11, 2020 | PLUG | M | 1,200 | $5.10 | $6,120 | 412,133 Direct | +0.29% | Acquired | -62.7% (price as of 2026-10-02) |
| Oct. 1, 2020 | PLUG | A | 652 | · | · | 410,933 Direct | +0.16% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | PLUG | A | 1,066 | · | · | 410,281 Direct | +0.26% | Acquired | (price as of 2026-10-02) |
| June 5, 2020 | PLUG | A | 12,807 | · | · | 12,807 Direct | · | Acquired | (price as of 2026-10-02) |
| June 5, 2020 | PLUG | A | 12,807 | · | · | 409,215 Direct | +3.23% | Acquired | (price as of 2026-10-02) |
| April 1, 2020 | PLUG | A | 2,472 | $3.54 | $8,751 | 396,408 Direct | +0.63% | Acquired | -46.3% (price as of 2026-10-02) |
| Jan. 2, 2020 | PLUG | A | 2,769 | $3.16 | $8,750 | 393,936 Direct | +0.71% | Acquired | -39.9% (price as of 2026-10-02) |
| Oct. 1, 2019 | PLUG | A | 3,327 | $2.63 | $8,750 | 391,167 Direct | +0.86% | Acquired | -27.8% (price as of 2026-10-02) |
| July 1, 2019 | PLUG | A | 3,889 | $2.25 | $8,750 | 387,840 Direct | +1.01% | Acquired | -15.6% (price as of 2026-10-02) |
| May 9, 2019 | PLUG | A | 27,056 | · | · | 27,056 Direct | · | Acquired | (price as of 2026-10-02) |
| May 9, 2019 | PLUG | A | 27,056 | $2.31 | $62,499 | 383,951 Direct | +7.58% | Acquired | -17.7% (price as of 2026-10-02) |
| April 1, 2019 | PLUG | A | 3,646 | $2.40 | $8,750 | 356,895 Direct | +1.03% | Acquired | -20.8% (price as of 2026-10-02) |
| Jan. 2, 2019 | PLUG | A | 7,056 | $1.24 | $8,749 | 353,249 Direct | +2.04% | Acquired | 53.2% (price as of 2026-10-02) |
| Oct. 1, 2018 | PLUG | A | 4,557 | $1.92 | $8,749 | 346,193 Direct | +1.33% | Acquired | -1.0% (price as of 2026-10-02) |
| July 2, 2018 | PLUG | A | 4,332 | $2.02 | $8,751 | 341,636 Direct | +1.28% | Acquired | -5.9% (price as of 2026-10-02) |
| May 16, 2018 | PLUG | A | 29,621 | · | · | 29,621 Direct | · | Acquired | (price as of 2026-10-02) |
| May 16, 2018 | PLUG | A | 29,621 | $2.11 | $62,500 | 337,304 Direct | +9.63% | Acquired | -10.0% (price as of 2026-10-02) |
| April 2, 2018 | PLUG | A | 4,630 | $1.89 | $8,751 | 307,683 Direct | +1.53% | Acquired | 0.5% (price as of 2026-10-02) |
| Jan. 2, 2018 | PLUG | A | 3,708 | $2.36 | $8,751 | 303,053 Direct | +1.24% | Acquired | -19.5% (price as of 2026-10-02) |
| Oct. 2, 2017 | PLUG | A | 3,352 | $2.61 | $8,749 | 299,345 Direct | +1.13% | Acquired | -27.2% (price as of 2026-10-02) |
| July 3, 2017 | PLUG | A | 4,289 | $2.04 | $8,750 | 295,993 Direct | +1.47% | Acquired | -6.9% (price as of 2026-10-02) |
| June 28, 2017 | PLUG | A | 29,343 | · | · | 29,343 Direct | · | Acquired | (price as of 2026-10-02) |
| June 28, 2017 | PLUG | A | 29,343 | $2.13 | $62,501 | 291,704 Direct | +11.18% | Acquired | -10.8% (price as of 2026-10-02) |
| April 3, 2017 | PLUG | A | 6,341 | $1.38 | $8,751 | 262,361 Direct | +2.48% | Acquired | 37.7% (price as of 2026-10-02) |
| Jan. 3, 2017 | PLUG | A | 7,292 | $1.20 | $8,750 | 256,020 Direct | +2.93% | Acquired | 58.3% (price as of 2026-10-02) |
| Oct. 3, 2016 | PLUG | A | 5,117 | $1.71 | $8,750 | 248,728 Direct | +2.10% | Acquired | 11.1% (price as of 2026-10-02) |
| July 1, 2016 | PLUG | A | 4,704 | $1.86 | $8,749 | 243,611 Direct | +1.97% | Acquired | 2.2% (price as of 2026-10-02) |
| May 18, 2016 | PLUG | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2016 | PLUG | A | 4,268 | $2.05 | $8,749 | 238,907 Direct | +1.82% | Acquired | -7.3% (price as of 2026-10-02) |
| Jan. 14, 2016 | PLUG | A | 4,167 | $2.10 | $8,751 | 231,639 Direct | +1.83% | Acquired | -9.5% (price as of 2026-10-02) |
| Oct. 1, 2015 | PLUG | A | 4,654 | $1.88 | $8,750 | 227,472 Direct | +2.09% | Acquired | 1.1% (price as of 2026-10-02) |
| July 17, 2015 | PLUG | A | 3,723 | $2.35 | $8,749 | 222,818 Direct | +1.70% | Acquired | -19.1% (price as of 2026-10-02) |
| May 21, 2015 | PLUG | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2015 | PLUG | A | 5,872 | $2.98 | $17,499 | 218,623 Direct | +2.76% | Acquired | -36.2% (price as of 2026-10-02) |
| July 1, 2014 | PLUG | A | 3,708 | $4.72 | $17,502 | 208,783 Direct | +1.81% | Acquired | -59.7% (price as of 2026-10-02) |
| April 1, 2014 | PLUG | A | 2,321 | $7.54 | $17,500 | 205,075 Direct | +1.14% | Acquired | -74.8% (price as of 2026-10-02) |
| Jan. 2, 2014 | PLUG | A | 7,511 | $2.33 | $17,501 | 202,754 Direct | +3.85% | Acquired | -18.5% (price as of 2026-10-02) |
| Oct. 2, 2013 | PLUG | A | 24,648 | $0.71 | $17,500 | 195,243 Direct | +14.45% | Acquired | 167.6% (price as of 2026-10-02) |
| July 2, 2013 | PLUG | A | 48,611 | $0.36 | $17,500 | 170,595 Direct | +39.85% | Acquired | 427.8% (price as of 2026-10-02) |
| June 28, 2013 | PLUG | A | 12,000 | · | · | 111,100 Direct | +12.11% | Acquired | (price as of 2026-10-02) |
| April 1, 2013 | PLUG | A | 51,471 | $0.17 | $8,750 | 121,984 Direct | +73.00% | Acquired | 1017.6% (price as of 2026-10-02) |
| Jan. 2, 2013 | PLUG | A | 17,500 | $0.50 | $8,750 | 70,513 Direct | +33.01% | Acquired | 280.0% (price as of 2026-10-02) |
| Oct. 3, 2012 | PLUG | A | 10,542 | $0.83 | $8,750 | 53,013 Direct | +24.82% | Acquired | 128.9% (price as of 2026-10-02) |
| July 2, 2012 | PLUG | A | 7,675 | $1.14 | $8,750 | 42,471 Direct | +22.06% | Acquired | 66.7% (price as of 2026-10-02) |
| May 16, 2012 | PLUG | A | 12,000 | · | · | 101,725 Direct | +13.37% | Acquired | (price as of 2026-10-02) |
| April 2, 2012 | PLUG | A | 6,890 | $1.27 | $8,750 | 34,796 Direct | +24.69% | Acquired | 49.6% (price as of 2026-10-02) |
| Jan. 3, 2012 | PLUG | A | 4,375 | $2.00 | $8,750 | 27,906 Direct | +18.59% | Acquired | -5.0% (price as of 2026-10-02) |
| Oct. 3, 2011 | PLUG | A | 4,422 | $1.73 | $7,650 | 23,531 Direct | +23.14% | Acquired | 9.8% (price as of 2026-10-02) |
| Sept. 20, 2011 | PLUG | A | 65,000 | · | · | 89,725 Direct | +262.89% | Acquired | (price as of 2026-10-02) |
| Aug. 2, 2011 | PLUG | A | 3,348 | $2.24 | $7,500 | 19,109 Direct | +21.24% | Acquired | -15.2% (price as of 2026-10-02) |
| May 12, 2011 | PLUG | A | 12,000 | · | · | 247,245 Direct | +5.10% | Acquired | (price as of 2026-10-02) |
| April 4, 2011 | PLUG | A | 9,868 | $0.76 | $7,500 | 157,615 Direct | +6.68% | Acquired | -75.0% (price as of 2026-10-02) |
| Jan. 7, 2011 | PLUG | A | 19,231 | $0.39 | $7,500 | 147,747 Direct | +14.96% | Acquired | -51.3% (price as of 2026-10-02) |
| Oct. 4, 2010 | PLUG | A | 19,231 | · | · | 128,516 Direct | +17.60% | Acquired | (price as of 2026-10-02) |
| July 6, 2010 | PLUG | A | 17,857 | · | · | 109,285 Direct | +19.53% | Acquired | (price as of 2026-10-02) |
| May 19, 2010 | PLUG | A | 12,000 | · | · | 301,685 Direct | +4.14% | Acquired | (price as of 2026-10-02) |
| April 2, 2010 | PLUG | A | 11,364 | · | · | 91,428 Direct | +14.19% | Acquired | (price as of 2026-10-02) |
| Jan. 6, 2010 | PLUG | A | 10,714 | · | · | 80,064 Direct | +15.45% | Acquired | (price as of 2026-10-02) |
Showing latest 100 of 129 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 11, 2026 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $2.83 | June 11, 2036 | 39,753 | Acquired |
| July 3, 2025 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $1.47 | July 3, 2035 | 76,531 | Acquired |
| June 5, 2024 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $3.01 | June 5, 2034 | 37,375 | Acquired |
| June 27, 2023 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $9.26 | June 27, 2033 | 12,149 | Acquired |
| June 30, 2022 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $16.57 | June 30, 2032 | 6,789 | Acquired |
| Aug. 16, 2021 | PLUG | Stock Option (Right to Buy) [F2] | Common Stock | $25.10 | Aug. 16, 2031 | 4,482 | Acquired |
| Dec. 11, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $0.38 | June 28, 2023 | 12,000 | Disposed |
| Dec. 11, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.22 | May 16, 2022 | 12,000 | Disposed |
| Dec. 11, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.93 | Sept. 20, 2021 | 65,000 | Disposed |
| Dec. 11, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | · | May 12, 2021 | 1,200 | Disposed |
| June 5, 2020 | PLUG | Stock Option (right to buy) | Common Stock | $4.88 | June 5, 2030 | 12,807 | Acquired |
| May 9, 2019 | PLUG | Stock Option (right to buy) [F2] | Common Stock | $2.31 | May 9, 2029 | 27,056 | Acquired |
| May 16, 2018 | PLUG | Common Stock Options [F2] | Common Stock | $2.11 | May 16, 2028 | 29,621 | Acquired |
| June 28, 2017 | PLUG | Common Stock Options [F2] | Common Stock | $2.13 | June 28, 2027 | 29,343 | Acquired |
| May 18, 2016 | PLUG | Option to Purchase | Common Stock | $1.76 | May 18, 2026 | 30,000 | Acquired |
| May 21, 2015 | PLUG | Option to Purchase | Common Stock | $2.62 | May 21, 2025 | 30,000 | Acquired |
| June 28, 2013 | PLUG | Option to pruchase Plug Power Common Stock | Plug Power Common Stock | $0.38 | June 28, 2013 | 12,000 | Acquired |
| May 16, 2012 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $1.22 | May 16, 2022 | 12,000 | Acquired |
| Sept. 20, 2011 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $1.93 | Sept. 20, 2021 | 65,000 | Acquired |
| May 12, 2011 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $0.51 | May 12, 2021 | 12,000 | Acquired |
| May 19, 2010 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $0.48 | May 19, 2020 | 12,000 | Acquired |
| May 20, 2009 | PLUG | Option to Purchase Common Stock | Common Stock | $0.95 | May 20, 2019 | 125,000 | Acquired |
| May 20, 2009 | PLUG | Option to Purchase Ccommon Stock | Common Stock | $0.95 | May 20, 2019 | 12,000 | Acquired |
| May 21, 2008 | PLUG | Option to Purchase Common Stock | Common Stock | $3.21 | May 21, 2018 | 12,000 | Acquired |
| May 17, 2007 | PLUG | Option to Purchase Common Stock | Common Stock | $2.98 | May 17, 2017 | 12,000 | Acquired |
| June 28, 2006 | PLUG | Option to Purchase Common Stock | Common Stock | $4.64 | June 28, 2016 | 12,000 | Acquired |
| June 1, 2005 | PLUG | Option to Purchase Common Stock | Common Stock | $6.22 | June 1, 2015 | 12,000 | Acquired |
| May 20, 2004 | PLUG | Option to Purchase Common Stock | Common Stock | $7.50 | May 20, 2014 | 12,000 | Acquired |
| May 22, 2003 | PLUG | Option to Purchase Common Stock | Common Stock | $5.02 | May 22, 2013 | 10,000 | Acquired |
| March 25, 2003 | PLUG | Option to Purchase Common Stock | Common Stock | $5.29 | March 25, 2013 | · | Acquired |
| March 25, 2003 | PLUG | Option to Purchase Common Stock | Common Stock | $3.67 | Oct. 16, 2012 | 1,245 | Acquired |
| March 25, 2003 | PLUG | Option to Purchase Common Stock | · | $96.33 | June 7, 2010 | 13,288 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).