Gary K Willis

CIK 1121475 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 16, 2016 · Latest: Feb. 16, 2016

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 98 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

98 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 11, 2020 PLUG S 10b5-1 14,300 $27.46 $392,678 410,933 Direct -3.36% Disposed -92.2% (price as of 2026-08-19)
Dec. 11, 2020 PLUG S 10b5-1 75,900 $26.75 $2,030,325 425,233 Direct -15.15% Disposed -91.9% (price as of 2026-08-19)

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 (39,753) $2.83 June 11, 2036 39,753 Acquired
July 3, 2025 PLUG Stock Option (Right to Buy) [F2] Common Stock (76,531) $1.47 July 3, 2035 76,531 Acquired
June 5, 2024 PLUG Stock Option (Right to Buy) [F2] Common Stock (37,375) $3.01 June 5, 2034 37,375 Acquired
June 27, 2023 PLUG Stock Option (Right to Buy) [F2] Common Stock (12,149) $9.26 June 27, 2033 12,149 Acquired
June 30, 2022 PLUG Stock Option (Right to Buy) [F2] Common Stock (6,789) $16.57 June 30, 2032 6,789 Acquired
Aug. 16, 2021 PLUG Stock Option (Right to Buy) [F2] Common Stock (4,482) $25.10 Aug. 16, 2031 4,482 Acquired
Dec. 11, 2020 PLUG Stock Option (Right to Buy) Common Stock (12,000) $0.38 June 28, 2023 12,000 Disposed
Dec. 11, 2020 PLUG Stock Option (Right to Buy) Common Stock (12,000) $1.22 May 16, 2022 12,000 Disposed
Dec. 11, 2020 PLUG Stock Option (Right to Buy) Common Stock (65,000) $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 (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
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 (12,000) $0.38 June 28, 2013 12,000 Acquired
May 16, 2012 PLUG Option to Purchase Plug Power Common Stock Plug Power Common Stock (12,000) $1.22 May 16, 2022 12,000 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 12, 2011 PLUG Option to Purchase Plug Power Common Stock Plug Power Common Stock (12,000) $0.51 May 12, 2021 12,000 Acquired
May 19, 2010 PLUG Option to Purchase Plug Power Common Stock Plug Power Common Stock (12,000) $0.48 May 19, 2020 12,000 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 Ccommon Stock Common Stock (12,000) $0.95 May 20, 2019 12,000 Acquired
May 21, 2008 PLUG Option to Purchase Common Stock Common Stock (12,000) $3.21 May 21, 2018 12,000 Acquired
May 17, 2007 PLUG Option to Purchase Common Stock Common Stock (12,000) $2.98 May 17, 2017 12,000 Acquired
June 28, 2006 PLUG Option to Purchase Common Stock Common Stock (12,000) $4.64 June 28, 2016 12,000 Acquired
June 1, 2005 PLUG Option to Purchase Common Stock Common Stock (12,000) $6.22 June 1, 2015 12,000 Acquired
May 20, 2004 PLUG Option to Purchase Common Stock Common Stock (12,000) $7.50 May 20, 2014 12,000 Acquired
May 22, 2003 PLUG Option to Purchase Common Stock Common Stock (10,000) $5.02 May 22, 2013 10,000 Acquired
March 25, 2003 PLUG Option to Purchase Common Stock Common Stock (15,000) $5.29 March 25, 2013 — Acquired
March 25, 2003 PLUG Option to Purchase Common Stock Common Stock (1,245) $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).