Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 4 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
May 20, 2009 PLUG A 2,500 · · 79,500 Direct +3.25% Acquired (price as of 2026-10-05)
Jan. 24, 2008 PLUG A 27,000 · · 77,000 Direct +54.00% Acquired (price as of 2026-10-05)
May 16, 2007 PLUG A 61,890 · · 61,872 Direct · Acquired (price as of 2026-10-05)
April 4, 2007 PLUG A 50,000 · · 50,000 Direct · 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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 20, 2009 PLUG Option to Purchase Common Stock Common Stock (2,500) $0.95 May 20, 2019 2,500 Acquired
Jan. 24, 2008 PLUG NQ Stock Options Common Stock (27,000) $2.60 Jan. 24, 2018 27,000 Acquired
May 16, 2007 PLUG Restricted Stock Units [F2] RSU (61,872) $0.00 May 16, 2017 61,890 Acquired
April 4, 2007 PLUG Options to Purchase Common Stock (50,000) $0.00 May 17, 2017 50,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
July 5, 2007 PLUG No Securities are Beneficially Owned 0 Direct