Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 8 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 1, 2014 PLUG A 1,059 $4.72 $4,998 62,254 Direct +1.73% Acquired -59.7% (price as of 2026-10-02)
April 1, 2014 PLUG A 663 $7.54 $4,999 61,195 Direct +1.10% Acquired -74.8% (price as of 2026-10-02)
Jan. 2, 2014 PLUG A 2,146 $2.33 $5,000 60,532 Direct +3.68% Acquired -18.5% (price as of 2026-10-02)
Oct. 2, 2013 PLUG A 7,042 $0.36 $2,535 58,386 Direct +13.72% Acquired 427.8% (price as of 2026-10-02)
July 2, 2013 PLUG A 13,889 $0.36 $5,000 51,344 Direct +37.08% Acquired 427.8% (price as of 2026-10-02)
June 28, 2013 PLUG A 10,000 · · 10,000 Direct · Acquired (price as of 2026-10-02)
April 1, 2013 PLUG A 29,412 $0.17 $5,000 37,455 Direct +365.68% Acquired 1017.6% (price as of 2026-10-02)
Jan. 2, 2013 PLUG A 8,043 $0.50 $4,022 8,043 Direct · Acquired 280.0% (price as of 2026-10-02)

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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 28, 2013 PLUG Option to pruchase Plug Power Common Stock Plug Power Common Stock (10,000) $0.38 June 28, 2013 10,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Oct. 26, 2011 PLUG No Securities are Beneficially Owned 0 Direct
Oct. 26, 2011 PLUG No Securities are Beneficially Owned 0 Direct