Andrew Marsh - Sep 28, 2021 Form 4 Insider Report for PLUG POWER INC (PLUG)

Role: President & CEO, Director
Signature: /s/ Gerard L. Conway, Jr., Attorney-in-Fact
Stock symbol: PLUG
Transactions as of: Sep 28, 2021
Transactions value $: -$2,508,061
Form type: 4
Date filed: 5/2/2022, 04:03 PM
Previous filing: Nov 9, 2021
Next filing: Jun 7, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLUG	Common Stock	Tax liability	-$2.51M	-88.3K	-9.32%	$28.40	859K	Sep 28, 2021	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Tendered to Issuer to satisfy tax withholding obligations of the Reporting Person incurred in connection with the vesting of the Reporting Person's restricted stock award. The initial grant of the restricted stock award was reported on a Form 4 filed on September 30, 2020, but was inadvertently described in the accompanying footnote as a restricted stock unit award instead of a restricted stock award.

Content

Tendered to Issuer to satisfy tax withholding obligations of the Reporting Person incurred in connection with the vesting of the Reporting Person's restricted stock award. The initial grant of the restricted stock award was reported on a Form 4 filed on September 30, 2020, but was inadvertently described in the accompanying footnote as a restricted stock unit award instead of a restricted stock award.