Larry Garberding
Insider
First SEC filing: Feb. 13, 2015 · Latest: Feb. 13, 2015
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 |
|---|---|---|---|---|---|---|---|---|---|
| April 3, 2017 | PLUG | A | 5,888 | $1.38 | $8,125 | 197,714 Direct | +3.07% | Acquired | 37.0% (price as of 2026-10-05) |
| Jan. 3, 2017 | PLUG | A | 6,771 | $1.20 | $8,125 | 191,826 Direct | +3.66% | Acquired | 57.5% (price as of 2026-10-05) |
| Oct. 3, 2016 | PLUG | A | 4,751 | $1.71 | $8,124 | 185,055 Direct | +2.63% | Acquired | 10.5% (price as of 2026-10-05) |
| July 1, 2016 | PLUG | A | 4,368 | $1.86 | $8,124 | 180,304 Direct | +2.48% | Acquired | 1.6% (price as of 2026-10-05) |
| May 18, 2016 | PLUG | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 1, 2016 | PLUG | A | 3,963 | $2.05 | $8,124 | 175,936 Direct | +2.30% | Acquired | -7.8% (price as of 2026-10-05) |
| Jan. 14, 2016 | PLUG | A | 3,869 | $2.10 | $8,125 | 171,973 Direct | +2.30% | Acquired | -10.0% (price as of 2026-10-05) |
| Oct. 1, 2015 | PLUG | A | 4,322 | $1.88 | $8,125 | 168,104 Direct | +2.64% | Acquired | 0.5% (price as of 2026-10-05) |
| July 17, 2015 | PLUG | A | 3,457 | $2.35 | $8,124 | 163,782 Direct | +2.16% | Acquired | -19.6% (price as of 2026-10-05) |
| May 21, 2015 | PLUG | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-05) |
| April 2, 2015 | PLUG | A | 3,224 | $2.52 | $8,124 | 160,325 Direct | +2.05% | Acquired | -25.0% (price as of 2026-10-05) |
| Jan. 2, 2015 | PLUG | A | 2,727 | $2.98 | $8,126 | 157,101 Direct | +1.77% | Acquired | -36.6% (price as of 2026-10-05) |
| July 1, 2014 | PLUG | A | 1,721 | $4.72 | $8,123 | 152,532 Direct | +1.14% | Acquired | -60.0% (price as of 2026-10-05) |
| April 1, 2014 | PLUG | A | 1,078 | $7.54 | $8,128 | 150,811 Direct | +0.72% | Acquired | -74.9% (price as of 2026-10-05) |
| Jan. 2, 2014 | PLUG | A | 3,487 | $2.33 | $8,125 | 149,733 Direct | +2.38% | Acquired | -18.9% (price as of 2026-10-05) |
| Oct. 2, 2013 | PLUG | A | 11,444 | $0.71 | $8,125 | 146,246 Direct | +8.49% | Acquired | 166.2% (price as of 2026-10-05) |
| July 2, 2013 | PLUG | A | 22,569 | $0.36 | $8,125 | 134,802 Direct | +20.11% | Acquired | 425.0% (price as of 2026-10-05) |
| June 28, 2013 | PLUG | A | 15,000 | · | · | 119,500 Direct | +14.35% | Acquired | (price as of 2026-10-05) |
| April 1, 2013 | PLUG | A | 47,794 | $0.17 | $8,125 | 112,233 Direct | +74.17% | Acquired | 1011.8% (price as of 2026-10-05) |
| Jan. 2, 2013 | PLUG | A | 16,250 | $0.50 | $8,125 | 64,439 Direct | +33.72% | Acquired | 278.0% (price as of 2026-10-05) |
| Oct. 3, 2012 | PLUG | A | 9,789 | $0.83 | $8,125 | 48,189 Direct | +25.49% | Acquired | 127.7% (price as of 2026-10-05) |
| July 2, 2012 | PLUG | A | 7,127 | $1.14 | $8,125 | 38,400 Direct | +22.79% | Acquired | 65.8% (price as of 2026-10-05) |
| May 16, 2012 | PLUG | A | 15,000 | · | · | 106,000 Direct | +16.48% | Acquired | (price as of 2026-10-05) |
| April 2, 2012 | PLUG | A | 6,398 | $1.27 | $8,125 | 31,273 Direct | +25.72% | Acquired | 48.8% (price as of 2026-10-05) |
| Jan. 3, 2012 | PLUG | A | 4,063 | $2.00 | $8,126 | 24,875 Direct | +19.52% | Acquired | -5.5% (price as of 2026-10-05) |
| Dec. 5, 2011 | PLUG | S | 3,000 | $2.26 | $6,780 | 20,812 Direct | -12.60% | Disposed | -16.4% (price as of 2026-10-05) |
| Oct. 3, 2011 | PLUG | A | 4,060 | $1.73 | $7,024 | 23,812 Direct | +20.55% | Acquired | 9.2% (price as of 2026-10-05) |
| Sept. 20, 2011 | PLUG | A | 65,000 | · | · | 92,500 Direct | +236.36% | Acquired | (price as of 2026-10-05) |
| Aug. 2, 2011 | PLUG | A | 3,069 | $2.24 | $6,875 | 19,752 Direct | +18.40% | Acquired | -15.6% (price as of 2026-10-05) |
| May 12, 2011 | PLUG | A | 15,000 | · | · | 290,000 Direct | +5.45% | Acquired | (price as of 2026-10-05) |
| April 4, 2011 | PLUG | A | 9,046 | $0.76 | $6,875 | 166,832 Direct | +5.73% | Acquired | -75.1% (price as of 2026-10-05) |
| Jan. 7, 2011 | PLUG | A | 17,628 | $0.39 | $6,875 | 157,786 Direct | +12.58% | Acquired | -51.5% (price as of 2026-10-05) |
| Oct. 4, 2010 | PLUG | A | 17,628 | · | · | 140,158 Direct | +14.39% | Acquired | (price as of 2026-10-05) |
| July 6, 2010 | PLUG | A | 16,369 | · | · | 122,530 Direct | +15.42% | Acquired | (price as of 2026-10-05) |
| May 19, 2010 | PLUG | A | 15,000 | · | · | 275,000 Direct | +5.77% | Acquired | (price as of 2026-10-05) |
| April 2, 2010 | PLUG | A | 10,417 | · | · | 106,161 Direct | +10.88% | Acquired | (price as of 2026-10-05) |
| Jan. 5, 2010 | PLUG | A | 9,821 | · | · | 95,744 Direct | +11.43% | Acquired | (price as of 2026-10-05) |
| Oct. 2, 2009 | PLUG | A | 7,994 | · | · | 85,923 Direct | +10.26% | Acquired | (price as of 2026-10-05) |
| July 2, 2009 | PLUG | A | 8,488 | · | · | 77,929 Direct | +12.22% | Acquired | (price as of 2026-10-05) |
| May 20, 2009 | PLUG | A | 125,000 | · | · | 260,000 Direct | +92.59% | Acquired | (price as of 2026-10-05) |
| May 20, 2009 | PLUG | A | 15,000 | · | · | 135,000 Direct | +12.50% | Acquired | (price as of 2026-10-05) |
| April 2, 2009 | PLUG | A | 7,994 | · | · | 69,441 Direct | +13.01% | Acquired | (price as of 2026-10-05) |
| Jan. 2, 2009 | PLUG | A | 6,010 | · | · | 61,447 Direct | +10.84% | Acquired | (price as of 2026-10-05) |
| Oct. 2, 2008 | PLUG | A | 6,010 | · | · | 55,437 Direct | +12.16% | Acquired | (price as of 2026-10-05) |
| July 2, 2008 | PLUG | A | 2,593 | · | · | 49,427 Direct | +5.54% | Acquired | (price as of 2026-10-05) |
| May 21, 2008 | PLUG | A | 15,000 | · | · | 120,000 Direct | +14.29% | Acquired | (price as of 2026-10-05) |
| April 3, 2008 | PLUG | A | 1,941 | · | · | 46,834 Direct | +4.32% | Acquired | (price as of 2026-10-05) |
| Jan. 3, 2008 | PLUG | A | 1,547 | · | · | 44,893 Direct | +3.57% | Acquired | (price as of 2026-10-05) |
| Oct. 4, 2007 | PLUG | A | 2,029 | · | · | 43,346 Direct | +4.91% | Acquired | (price as of 2026-10-05) |
| July 2, 2007 | PLUG | A | 1,965 | · | · | 41,317 Direct | +4.99% | Acquired | (price as of 2026-10-05) |
| May 17, 2007 | PLUG | A | 15,000 | · | · | 105,000 Direct | +16.67% | Acquired | (price as of 2026-10-05) |
| April 3, 2007 | PLUG | A | 1,978 | · | · | 39,352 Direct | +5.29% | Acquired | (price as of 2026-10-05) |
| Jan. 8, 2007 | PLUG | A | 1,667 | · | · | 37,374 Direct | +4.67% | Acquired | (price as of 2026-10-05) |
| Oct. 2, 2006 | PLUG | A | 1,582 | · | · | 35,707 Direct | +4.64% | Acquired | (price as of 2026-10-05) |
| June 28, 2006 | PLUG | A | 15,000 | $4.64 | $69,600 | 90,000 Direct | +20.00% | Acquired | -95.9% (price as of 2026-10-05) |
| June 1, 2005 | PLUG | A | 15,000 | $6.22 | $93,300 | 115,000 Direct | +15.00% | Acquired | -97.0% (price as of 2026-10-05) |
| June 1, 2005 | PLUG | A | 4,019 | $6.22 | $24,998 | 34,125 Direct | +13.35% | Acquired | -97.0% (price as of 2026-10-05) |
| May 20, 2004 | PLUG | A | 10,000 | · | · | 100,000 Direct | +11.11% | Acquired | (price as of 2026-10-05) |
| May 20, 2004 | PLUG | A | 5,000 | · | · | 90,000 Direct | +5.88% | Acquired | (price as of 2026-10-05) |
| May 20, 2004 | PLUG | A | 3,000 | $7.50 | $22,500 | 30,106 Direct | +11.07% | Acquired | -97.5% (price as of 2026-10-05) |
| Dec. 19, 2003 | PLUG | A | 3,106 | · | · | 27,106 Direct | +12.94% | Acquired | (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| 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 | 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 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 |
| 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 17, 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 | 10,000 | Acquired |
| May 20, 2004 | PLUG | Option to Purchase Common Stock | Common Stock | $7.50 | May 20, 2014 | 5,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).