Andrew Marsh - 01 Aug 2025 Form 4 Insider Report for PLUG POWER INC (PLUG)

Role: President and CEO, Director
Signature: /s/ Gerard L. Conway Jr., Attorney-in-Fact
Issuer symbol: PLUG
Transactions as of: 01 Aug 2025
Net transactions value: +$61,538
Form type: 4
Filing time: 12 Sep 2025, 19:37:00 UTC
Previous filing: 17 Jul 2025
Next filing: 08 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Marsh Andrew	President and CEO, Director	C/O PLUG POWER INC., 125 VISTA BOULEVARD, SLINGERLANDS	/s/ Gerard L. Conway Jr., Attorney-in-Fact	12 Sep 2025	0001431827

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PLUG	Common Stock	Award	$30,769	+19,968	+2.3%	$1.54	872,133	01 Aug 2025	Direct	F1
transaction	PLUG	Common Stock	Award	$30,769	+18,471	+2.1%	$1.67	890,604	29 Aug 2025	Direct	F1
holding	PLUG	Common Stock						115,464	01 Aug 2025	401(k) Plan	F2

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

Explanation of Responses:

Id	Content
F1	Shares issued pursuant to a previously disclosed executive compensation program, pursuant to which the Reporting Person elected to receive payment of a portion of his base salary and bonus for the fiscal year ending December 31, 2025 in shares of the Issuer's common stock issued under the Plug Power Inc. 2021 Stock Option and Incentive Plan, as amended. The shares were fully vested upon grant.
F2	The Reporting Person holds 115,464 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 September 12, 2025.