Martin Daniel Hull - Jul 31, 2023 Form 4 Insider Report for PLUG POWER INC (PLUG)

Role: Corporate Controller and CAO
Signature: /s/ Gerard L. Conway, Jr., Attorney-in-Fact
Stock symbol: PLUG
Transactions as of: Jul 31, 2023
Transactions value $: $0
Form type: 4
Date filed: 8/2/2023, 04:01 PM
Previous filing: Apr 13, 2023
Next filing: Oct 3, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLUG	Common Stock	Award	$0	+35K	+18.98%	$0.00	219K	Jul 31, 2023	Direct	F1
holding	PLUG	Common Stock						30.3K	Jul 31, 2023	401(k) Plan	F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PLUG	Stock Option (Right to Buy)	Award	$0	+35K		$0.00	35K	Jul 31, 2023	Common Stock	35K	$13.12	Direct	F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Consists of a restricted stock award made pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended. The restricted stock vests in three substantially equal installments beginning on the first anniversary of the grant date.
F2	The Reporting Person holds 30,302 shares of common stock in Plug Power Inc.'s 401(k) plan. The information in this report is based on a plan statement as of July 31, 2023.
F3	Awarded pursuant to the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended.
F4	This option shall vest in three substantially equal installments beginning on the first anniversary of the grant date.