George C Mcnamee
CIK 1008001 · View on SEC EDGAR ↗
First SEC filing: Feb. 16, 2010 · Latest: Feb. 14, 2023
On this page
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 1, 2024 | PLUG | S 10b5-1 | 10,000 | $2.09 | $20,900 | 684,782 Direct | -1.44% | Disposed | 7.7% (price as of 2026-08-20) |
| Aug. 1, 2024 | PLUG | S 10b5-1 | 10,000 | $2.37 | $23,700 | 683,444 Direct | -1.44% | Disposed | -5.1% (price as of 2026-08-20) |
| May 10, 2024 | PLUG | S 10b5-1 | 10,000 | $2.56 | $25,600 | 639,572 Direct | -1.54% | Disposed | -12.1% (price as of 2026-08-20) |
| Jan. 13, 2021 | PLUG | S 10b5-1 | 10,000 | $70.45 | $704,500 | 889,390 Direct | -1.11% | Disposed | -96.8% (price as of 2026-08-20) |
| Jan. 12, 2021 | PLUG | S 10b5-1 | 10,000 | $62.40 | $624,000 | 889,390 Direct | -1.11% | Disposed | -96.4% (price as of 2026-08-20) |
| Jan. 8, 2021 | PLUG | S 10b5-1 | 10,000 | $52.07 | $520,700 | 889,390 Direct | -1.11% | Disposed | -95.7% (price as of 2026-08-20) |
| Jan. 6, 2021 | PLUG | S 10b5-1 | 10,000 | $35.00 | $350,000 | 889,390 Direct | -1.11% | Disposed | -93.6% (price as of 2026-08-20) |
| Nov. 9, 2020 | PLUG | S 10b5-1 | 30,000 | $21.05 | $631,500 | 889,058 Direct | -3.26% | Disposed | -89.3% (price as of 2026-08-20) |
| Oct. 8, 2020 | PLUG | S 10b5-1 | 45,000 | $19.00 | $855,000 | 889,058 Direct | -4.82% | Disposed | -88.2% (price as of 2026-08-20) |
| Aug. 6, 2020 | PLUG | S 10b5-1 | 65,000 | $10.30 | $669,500 | 888,219 Direct | -6.82% | Disposed | -78.2% (price as of 2026-08-20) |
| July 13, 2020 | PLUG | S 10b5-1 | 100 | $9.47 | $947 | 888,219 Direct | -0.01% | Disposed | -76.2% (price as of 2026-08-20) |
| July 13, 2020 | PLUG | S 10b5-1 | 1,400 | $8.79 | $12,306 | 888,319 Direct | -0.16% | Disposed | -74.4% (price as of 2026-08-20) |
| March 18, 2019 | PLUG | P | 100,000 | $2.34 | $234,000 | 826,282 Direct | +13.77% | Acquired | -3.8% (price as of 2026-08-20) |
| Sept. 15, 2017 | PLUG | P | 25,000 | $2.21 | $55,250 | 661,131 Direct | +3.93% | Acquired | 1.8% (price as of 2026-08-20) |
| Sept. 14, 2017 | PLUG | P | 25,000 | $2.34 | $58,500 | 636,131 Direct | +4.09% | Acquired | -3.8% (price as of 2026-08-20) |
| Sept. 13, 2017 | PLUG | P | 25,000 | $2.34 | $58,500 | 611,131 Direct | +4.27% | Acquired | -3.8% (price as of 2026-08-20) |
| Sept. 12, 2017 | PLUG | P | 25,000 | $2.17 | $54,250 | 586,131 Direct | +4.46% | Acquired | 3.7% (price as of 2026-08-20) |
| Sept. 11, 2017 | PLUG | P | 25,000 | $2.13 | $53,250 | 561,131 Direct | +4.66% | Acquired | 5.6% (price as of 2026-08-20) |
| Sept. 8, 2017 | PLUG | P | 25,000 | $2.14 | $53,500 | 536,131 Direct | +4.89% | Acquired | 5.1% (price as of 2026-08-20) |
| Sept. 8, 2017 | PLUG | P | 24,400 | $2.16 | $52,704 | 511,131 Direct | +5.01% | Acquired | 4.2% (price as of 2026-08-20) |
| Sept. 7, 2017 | PLUG | P | 600 | $2.13 | $1,278 | 486,731 Direct | +0.12% | Acquired | 5.6% (price as of 2026-08-20) |
| Sept. 7, 2017 | PLUG | P | 25,000 | $2.13 | $53,250 | 486,131 Direct | +5.42% | Acquired | 5.6% (price as of 2026-08-20) |
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 (39,753) | $2.83 | June 11, 2036 | 39,753 | Acquired |
| July 3, 2025 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock (76,531) | $1.47 | July 3, 2035 | 76,531 | Acquired |
| June 5, 2024 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock (37,375) | $3.01 | June 5, 2034 | 37,375 | Acquired |
| June 27, 2023 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock (12,149) | $9.26 | June 27, 2033 | 12,149 | Acquired |
| June 30, 2022 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock (6,789) | $16.57 | June 30, 2032 | 6,789 | Acquired |
| Aug. 16, 2021 | PLUG | Stock Option (Right to Buy) [F3] | Common Stock (4,482) | $25.10 | Aug. 16, 2031 | 4,482 | Acquired |
| Jan. 13, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock (10,000) | $2.13 | June 28, 2027 | 10,000 | Disposed |
| Jan. 12, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock (10,000) | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Jan. 8, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock (10,000) | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Jan. 6, 2021 | PLUG | Stock Option (Right to Buy) | Common Stock (10,000) | $1.76 | May 18, 2026 | 10,000 | Disposed |
| Nov. 9, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock (30,000) | $2.62 | May 21, 2025 | 30,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock (15,000) | $5.63 | July 23, 2024 | 15,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock (15,000) | $0.38 | June 28, 2023 | 15,000 | Disposed |
| Oct. 8, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock (15,000) | $1.22 | May 16, 2022 | 15,000 | Disposed |
| Aug. 6, 2020 | PLUG | Stock Option (Right to Buy) | Common Stock (65,000) | $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 (12,807) | $4.88 | June 5, 2030 | 12,807 | Acquired |
| May 9, 2019 | PLUG | Stock Option (right to buy) [F2] | Common Stock (27,056) | $2.31 | May 9, 2029 | 27,056 | Acquired |
| May 16, 2018 | PLUG | Common Stock Options [F2] | Common Stock (29,621) | $2.11 | May 16, 2028 | 29,621 | Acquired |
| June 28, 2017 | PLUG | Common Stock Options [F2] | Common Stock (29,343) | $2.13 | June 28, 2027 | 29,343 | Acquired |
| May 18, 2016 | PLUG | Option to Purchase | Common Stock (30,000) | $1.76 | May 18, 2026 | 30,000 | Acquired |
| March 18, 2016 | PLUG | Warrant (right to buy) [F1] | Common Stock (96,774) | $0.93 | May 31, 2016 | 96,774 | Disposed |
| May 21, 2015 | PLUG | Option to Purchase | Common Stock (30,000) | $2.62 | May 21, 2025 | 30,000 | Acquired |
| June 28, 2013 | PLUG | Option to pruchase Plug Power Common Stock | Plug Power Common Stock (15,000) | $0.38 | June 28, 2013 | 15,000 | Acquired |
| May 16, 2012 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock (15,000) | $1.22 | May 16, 2022 | 15,000 | Acquired |
| Sept. 20, 2011 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock (65,000) | $1.93 | Sept. 20, 2021 | 65,000 | Acquired |
| May 31, 2011 | PLUG | Warrants | Plug Power Common Stock (30,000) | $3.00 | May 31, 2016 | 30,000 | Acquired |
| May 12, 2011 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock (15,000) | $0.51 | May 12, 2021 | 15,000 | Acquired |
| May 19, 2010 | PLUG | Option to Purchase Plug Power Common Stock | Plug Power Common Stock (15,000) | $0.48 | May 19, 2020 | 15,000 | Acquired |
| May 20, 2009 | PLUG | Option to Purchase Common Stock | Common Stock (125,000) | $0.95 | May 20, 2019 | 125,000 | Acquired |
| May 20, 2009 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $0.95 | May 20, 2019 | 15,000 | Acquired |
| Feb. 10, 2009 | PLUG | Option to Purchase Common Stock | Common Stock (125,000) | $0.91 | Feb. 10, 2019 | 125,000 | Acquired |
| May 21, 2008 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $3.21 | May 21, 2018 | 15,000 | Acquired |
| May 17, 2007 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $2.98 | May 7, 2017 | 15,000 | Acquired |
| June 28, 2006 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $4.64 | June 28, 2016 | 15,000 | Acquired |
| June 1, 2005 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $6.22 | June 1, 2015 | 15,000 | Acquired |
| May 20, 2004 | PLUG | Option to Purchase Common Stock | Common Stock (15,000) | $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 |