Dean Fullerton

Insider

First SEC filing: June 29, 2026 · Latest: June 29, 2026

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Insider at

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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 25, 2026	PLUG	A	414,508	—	—	414,508 Direct	—	Acquired	(price as of 2026-08-20)
June 25, 2026	PLUG	A	408,163	—	—	408,163 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 4, 2025	PLUG	A	1,000,000	—	—	1,000,000 Direct	—	Acquired	(price as of 2026-08-20)
July 31, 2024	PLUG	A	1,000,000	—	—	1,000,000 Direct	—	Acquired	(price as of 2026-08-20)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
June 25, 2026	PLUG	Stock Option (Right to Buy) [F1]	Common Stock (414,508)	$2.83	June 25, 2036	414,508	Acquired
June 25, 2026	PLUG	Stock Option (Right to Buy) [F1]	Common Stock (408,163)	$2.57	June 25, 2036	408,163	Acquired
Sept. 4, 2025	PLUG	Stock Option (Right to Buy) [F1]	Common Stock (1,000,000)	$1.44	Sept. 4, 2035	1,000,000	Acquired
July 31, 2024	PLUG	Stock Option (Right to Buy) [F1]	Common Stock (1,000,000)	$2.47	July 31, 2031	1,000,000	Acquired

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