George C Mcnamee
Insider
First SEC filing: Feb. 16, 2010 · Latest: Feb. 14, 2023
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 | · | · | 873,282 Direct | +4.77% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | PLUG | A | 13,008 | $1.97 | $25,626 | 833,529 Direct | +1.59% | Acquired | -3.6% (price as of 2026-10-02) |
| Oct. 1, 2025 | PLUG | A | 10,998 | $2.33 | $25,625 | 820,521 Direct | +1.36% | 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 | · | · | 809,523 Direct | +10.44% | Acquired | (price as of 2026-10-02) |
| July 1, 2025 | PLUG | A | 17,198 | $1.49 | $25,625 | 732,992 Direct | +2.40% | Acquired | 27.5% (price as of 2026-10-02) |
| April 1, 2025 | PLUG | A | 18,981 | $1.35 | $25,624 | 715,794 Direct | +2.72% | Acquired | 40.7% (price as of 2026-10-02) |
| Jan. 2, 2025 | PLUG | A | 12,031 | $2.13 | $25,626 | 696,813 Direct | +1.76% | Acquired | -10.8% (price as of 2026-10-02) |
| Nov. 1, 2024 | PLUG | S 10b5-1 | 10,000 | $2.09 | $20,900 | 684,782 Direct | -1.44% | Disposed | -9.1% (price as of 2026-10-02) |
| Oct. 1, 2024 | PLUG | A | 11,338 | $2.26 | $25,624 | 694,782 Direct | +1.66% | Acquired | -15.9% (price as of 2026-10-02) |
| Aug. 1, 2024 | PLUG | S 10b5-1 | 10,000 | $2.37 | $23,700 | 683,444 Direct | -1.44% | Disposed | -19.8% (price as of 2026-10-02) |
| July 1, 2024 | PLUG | A | 16,497 | $2.33 | $38,438 | 693,444 Direct | +2.44% | 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 | · | · | 676,947 Direct | +5.84% | Acquired | (price as of 2026-10-02) |
| May 10, 2024 | PLUG | S 10b5-1 | 10,000 | $2.56 | $25,600 | 639,572 Direct | -1.54% | Disposed | -25.8% (price as of 2026-10-02) |
| April 1, 2024 | PLUG | A | 11,174 | $3.44 | $38,439 | 649,572 Direct | +1.75% | Acquired | -44.8% (price as of 2026-10-02) |
| Jan. 2, 2024 | PLUG | A | 5,694 | $4.50 | $25,623 | 638,398 Direct | +0.90% | Acquired | -57.8% (price as of 2026-10-02) |
| Oct. 2, 2023 | PLUG | A | 3,372 | $7.60 | $25,627 | 632,704 Direct | +0.54% | Acquired | -75.0% (price as of 2026-10-02) |
| July 3, 2023 | PLUG | A | 2,346 | $10.39 | $24,375 | 629,332 Direct | +0.37% | Acquired | -81.7% (price as of 2026-10-02) |
| June 27, 2023 | PLUG | A | 12,149 | · | · | 12,149 Direct | · | Acquired | (price as of 2026-10-02) |
| June 27, 2023 | PLUG | A | 12,149 | · | · | 626,986 Direct | +1.98% | Acquired | (price as of 2026-10-02) |
| April 3, 2023 | PLUG | A | 2,080 | $11.72 | $24,378 | 614,837 Direct | +0.34% | Acquired | -83.8% (price as of 2026-10-02) |
| Jan. 3, 2023 | PLUG | A | 1,314 | $12.37 | $16,254 | 616,437 Direct | +0.21% | Acquired | -84.6% (price as of 2026-10-02) |
| Oct. 3, 2022 | PLUG | A | 773 | $21.01 | $16,241 | 615,123 Direct | +0.13% | Acquired | -91.0% (price as of 2026-10-02) |
| July 1, 2022 | PLUG | A | 981 | $16.57 | $16,255 | 607,561 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 | · | · | 614,350 Direct | +1.12% | Acquired | (price as of 2026-10-02) |
| April 1, 2022 | PLUG | A | 568 | $28.61 | $16,250 | 606,580 Direct | +0.09% | Acquired | -93.4% (price as of 2026-10-02) |
| Jan. 3, 2022 | PLUG | A | 576 | $28.23 | $16,260 | 606,012 Direct | +0.10% | Acquired | -93.3% (price as of 2026-10-02) |
| Oct. 1, 2021 | PLUG | A | 636 | $25.54 | $16,243 | 605,436 Direct | +0.11% | Acquired | -92.6% (price as of 2026-10-02) |
| Aug. 16, 2021 | PLUG | A | 4,482 | · | · | 4,482 Direct | · | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2021 | PLUG | A | 4,482 | · | · | 604,800 Direct | +0.75% | Acquired | (price as of 2026-10-02) |
| July 15, 2021 | PLUG | A | 475 | $34.19 | $16,240 | 600,318 Direct | +0.08% | Acquired | -94.4% (price as of 2026-10-02) |
| July 15, 2021 | PLUG | A | 453 | $35.84 | $16,236 | 599,843 Direct | +0.08% | Acquired | -94.7% (price as of 2026-10-02) |
| Jan. 13, 2021 | PLUG | M | 10,000 | · | · | 19,343 Direct | -34.08% | Disposed | (price as of 2026-10-02) |
| Jan. 13, 2021 | PLUG | S 10b5-1 | 10,000 | $70.45 | $704,500 | 889,390 Direct | -1.11% | Disposed | -97.3% (price as of 2026-10-02) |
| Jan. 13, 2021 | PLUG | M | 10,000 | $2.13 | $21,300 | 899,390 Direct | +1.12% | Acquired | -10.8% (price as of 2026-10-02) |
| Jan. 12, 2021 | PLUG | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 12, 2021 | PLUG | S 10b5-1 | 10,000 | $62.40 | $624,000 | 889,390 Direct | -1.11% | Disposed | -97.0% (price as of 2026-10-02) |
| Jan. 12, 2021 | PLUG | M | 10,000 | $1.76 | $17,600 | 899,390 Direct | +1.12% | Acquired | 8.0% (price as of 2026-10-02) |
| Jan. 8, 2021 | PLUG | M | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Jan. 8, 2021 | PLUG | S 10b5-1 | 10,000 | $52.07 | $520,700 | 889,390 Direct | -1.11% | Disposed | -96.4% (price as of 2026-10-02) |
| Jan. 8, 2021 | PLUG | M | 10,000 | $1.76 | $17,600 | 899,390 Direct | +1.12% | Acquired | 8.0% (price as of 2026-10-02) |
| Jan. 6, 2021 | PLUG | M | 10,000 | · | · | 20,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Jan. 6, 2021 | PLUG | S 10b5-1 | 10,000 | $35.00 | $350,000 | 889,390 Direct | -1.11% | Disposed | -94.6% (price as of 2026-10-02) |
| Jan. 6, 2021 | PLUG | M | 10,000 | $1.76 | $17,600 | 899,390 Direct | +1.12% | Acquired | 8.0% (price as of 2026-10-02) |
| Jan. 4, 2021 | PLUG | A | 332 | · | · | 889,390 Direct | +0.04% | Acquired | (price as of 2026-10-02) |
| Nov. 9, 2020 | PLUG | M | 30,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 9, 2020 | PLUG | S 10b5-1 | 30,000 | $21.05 | $631,500 | 889,058 Direct | -3.26% | Disposed | -91.0% (price as of 2026-10-02) |
| Nov. 9, 2020 | PLUG | M | 30,000 | $2.62 | $78,600 | 919,058 Direct | +3.37% | Acquired | -27.5% (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | S 10b5-1 | 45,000 | $19.00 | $855,000 | 889,058 Direct | -4.82% | Disposed | -90.0% (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | $5.63 | $84,450 | 934,058 Direct | +1.63% | Acquired | -66.3% (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | $0.38 | $5,700 | 919,058 Direct | +1.66% | Acquired | 400.0% (price as of 2026-10-02) |
| Oct. 8, 2020 | PLUG | M | 15,000 | $1.22 | $18,300 | 904,058 Direct | +1.69% | Acquired | 55.7% (price as of 2026-10-02) |
| Oct. 1, 2020 | PLUG | A | 839 | · | · | 889,058 Direct | +0.09% | Acquired | (price as of 2026-10-02) |
| Aug. 6, 2020 | PLUG | S 10b5-1 | 65,000 | $10.30 | $669,500 | 888,219 Direct | -6.82% | Disposed | -81.6% (price as of 2026-10-02) |
| Aug. 6, 2020 | PLUG | M | 65,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 6, 2020 | PLUG | M | 65,000 | $1.93 | $125,450 | 953,219 Direct | +7.32% | Acquired | -1.6% (price as of 2026-10-02) |
| July 13, 2020 | PLUG | M | 1,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 13, 2020 | PLUG | S 10b5-1 | 100 | $9.47 | $947 | 888,219 Direct | -0.01% | Disposed | -79.9% (price as of 2026-10-02) |
| July 13, 2020 | PLUG | S 10b5-1 | 1,400 | $8.79 | $12,306 | 888,319 Direct | -0.16% | Disposed | -78.4% (price as of 2026-10-02) |
| July 13, 2020 | PLUG | M | 1,500 | $5.10 | $7,650 | 889,719 Direct | +0.17% | Acquired | -62.7% (price as of 2026-10-02) |
| July 1, 2020 | PLUG | A | 1,370 | · | · | 888,219 Direct | +0.15% | 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 | · | · | 886,849 Direct | +1.47% | Acquired | (price as of 2026-10-02) |
| April 1, 2020 | PLUG | A | 3,178 | $3.54 | $11,250 | 874,042 Direct | +0.36% | Acquired | -46.3% (price as of 2026-10-02) |
| Jan. 2, 2020 | PLUG | A | 3,560 | $3.16 | $11,250 | 870,864 Direct | +0.41% | Acquired | -39.9% (price as of 2026-10-02) |
| Oct. 1, 2019 | PLUG | A | 4,278 | $2.63 | $11,251 | 867,304 Direct | +0.50% | Acquired | -27.8% (price as of 2026-10-02) |
| July 1, 2019 | PLUG | A | 5,000 | $2.25 | $11,250 | 863,026 Direct | +0.58% | 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 | 858,026 Direct | +3.26% | Acquired | -17.7% (price as of 2026-10-02) |
| April 1, 2019 | PLUG | A | 4,688 | $2.40 | $11,251 | 830,970 Direct | +0.57% | Acquired | -20.8% (price as of 2026-10-02) |
| March 18, 2019 | PLUG | P | 100,000 | $2.34 | $234,000 | 826,282 Direct | +13.77% | Acquired | -18.8% (price as of 2026-10-02) |
| Jan. 2, 2019 | PLUG | A | 9,073 | $1.24 | $11,251 | 726,282 Direct | +1.27% | Acquired | 53.2% (price as of 2026-10-02) |
| Oct. 1, 2018 | PLUG | A | 5,859 | $1.92 | $11,249 | 717,209 Direct | +0.82% | Acquired | -1.0% (price as of 2026-10-02) |
| July 2, 2018 | PLUG | A | 5,569 | $2.02 | $11,249 | 711,350 Direct | +0.79% | 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 | 705,781 Direct | +4.38% | Acquired | -10.0% (price as of 2026-10-02) |
| April 2, 2018 | PLUG | A | 5,952 | $1.89 | $11,249 | 676,160 Direct | +0.89% | Acquired | 0.5% (price as of 2026-10-02) |
| Jan. 2, 2018 | PLUG | A | 4,767 | $2.36 | $11,250 | 670,208 Direct | +0.72% | Acquired | -19.5% (price as of 2026-10-02) |
| Oct. 2, 2017 | PLUG | A | 4,310 | $2.61 | $11,249 | 665,441 Direct | +0.65% | Acquired | -27.2% (price as of 2026-10-02) |
| Sept. 15, 2017 | PLUG | P | 25,000 | $2.21 | $55,250 | 661,131 Direct | +3.93% | Acquired | -14.0% (price as of 2026-10-02) |
| Sept. 14, 2017 | PLUG | P | 25,000 | $2.34 | $58,500 | 636,131 Direct | +4.09% | Acquired | -18.8% (price as of 2026-10-02) |
| Sept. 13, 2017 | PLUG | P | 25,000 | $2.34 | $58,500 | 611,131 Direct | +4.27% | Acquired | -18.8% (price as of 2026-10-02) |
| Sept. 12, 2017 | PLUG | P | 25,000 | $2.17 | $54,250 | 586,131 Direct | +4.46% | Acquired | -12.4% (price as of 2026-10-02) |
| Sept. 11, 2017 | PLUG | P | 25,000 | $2.13 | $53,250 | 561,131 Direct | +4.66% | Acquired | -10.8% (price as of 2026-10-02) |
| Sept. 8, 2017 | PLUG | P | 25,000 | $2.14 | $53,500 | 536,131 Direct | +4.89% | Acquired | -11.2% (price as of 2026-10-02) |
| Sept. 8, 2017 | PLUG | P | 24,400 | $2.16 | $52,704 | 511,131 Direct | +5.01% | Acquired | -12.0% (price as of 2026-10-02) |
| Sept. 7, 2017 | PLUG | P | 600 | $2.13 | $1,278 | 486,731 Direct | +0.12% | Acquired | -10.8% (price as of 2026-10-02) |
| Sept. 7, 2017 | PLUG | P | 25,000 | $2.13 | $53,250 | 486,131 Direct | +5.42% | Acquired | -10.8% (price as of 2026-10-02) |
| July 3, 2017 | PLUG | A | 5,515 | $2.04 | $11,251 | 461,131 Direct | +1.21% | 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 | 455,616 Direct | +6.88% | Acquired | -10.8% (price as of 2026-10-02) |
| April 3, 2017 | PLUG | A | 8,152 | $1.38 | $11,250 | 426,273 Direct | +1.95% | Acquired | 37.7% (price as of 2026-10-02) |
| Jan. 3, 2017 | PLUG | A | 9,375 | $1.20 | $11,250 | 418,121 Direct | +2.29% | Acquired | 58.3% (price as of 2026-10-02) |
| Oct. 3, 2016 | PLUG | A | 6,579 | $1.71 | $11,250 | 408,746 Direct | +1.64% | Acquired | 11.1% (price as of 2026-10-02) |
Showing latest 100 of 170 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) [F3] | Common Stock | $2.83 | June 11, 2036 | 39,753 | Acquired |
| July 3, 2025 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock | $1.47 | July 3, 2035 | 76,531 | Acquired |
| June 5, 2024 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock | $3.01 | June 5, 2034 | 37,375 | Acquired |
| June 27, 2023 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock | $9.26 | June 27, 2033 | 12,149 | Acquired |
| June 30, 2022 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock | $16.57 | June 30, 2032 | 6,789 | Acquired |
| Aug. 16, 2021 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock | $25.10 | Aug. 16, 2031 | 4,482 | Acquired |
| Jan. 13, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock | $2.13 | June 28, 2027 | 10,000 | Disposed |
| Jan. 12, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Jan. 8, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Jan. 6, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Nov. 9, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $2.62 | May 21, 2025 | 30,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $5.63 | July 23, 2024 | 15,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $0.38 | June 28, 2023 | 15,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.22 | May 16, 2022 | 15,000 | Disposed |
| Aug. 6, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | $1.93 | Sept. 20, 2021 | 65,000 | Disposed |
| July 13, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock | · | May 12, 2021 | 1,500 | 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 |
| March 18, 2016 | PLUG | Warrant (right to buy) [F1] | Common Stock | $0.93 | May 31, 2016 | 96,774 | Disposed |
| 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 | 15,000 | Acquired |
| May 16, 2012 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $1.22 | May 16, 2022 | 15,000 | 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 31, 2011 | PLUG | Warrants | Plug Power Common Stock | $3.00 | May 31, 2016 | 30,000 | Acquired |
| May 12, 2011 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $0.51 | May 12, 2021 | 15,000 | Acquired |
| May 19, 2010 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock | $0.48 | May 19, 2020 | 15,000 | 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 Common Stock | Common Stock | $0.95 | May 20, 2019 | 15,000 | Acquired |
| Feb. 10, 2009 | PLUG | Option to Purchase Common Stock | Common Stock | $0.91 | Feb. 10, 2019 | 125,000 | Acquired |
| May 21, 2008 | PLUG | Option to Purchase Common Stock | Common Stock | $3.21 | May 21, 2018 | 15,000 | Acquired |
| May 17, 2007 | PLUG | Option to Purchase Common Stock | Common Stock | $2.98 | May 7, 2017 | 15,000 | Acquired |
| June 28, 2006 | PLUG | Option to Purchase Common Stock | Common Stock | $4.64 | June 28, 2016 | 15,000 | Acquired |
| June 1, 2005 | PLUG | Option to Purchase Common Stock | Common Stock | $6.22 | June 1, 2015 | 15,000 | Acquired |
| May 20, 2004 | PLUG | Option to Purchase Common Stock | Common Stock | $7.50 | May 20, 2014 | 15,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Feb. 16, 2010 | PLUG | Plug Power Common Stock | 1,240 | Direct |