Plug Power director reports stock grant on Form 4

Plug Power Inc. director Maureen O. Helmer reported receiving 13,959 shares of common stock on January 2, 2026 as director compensation.

Rhea-AI Filing Summary

Plug Power Inc. director Maureen O. Helmer reported receiving 13,959 shares of common stock on January 2, 2026 as director compensation. The shares were awarded under Plug Power Inc.'s Non-Employee Director Compensation Plan at a reported price of $1.97 per share. Following this grant, she beneficially owns 371,565 shares of Plug Power common stock in direct ownership.

Insider Trade Summary

Grant/Award: 13,959 shares

Grant/Award 1 txn

Insider HELMER MAUREEN O

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	13,959	$1.97	$27K

Holdings After Transaction: Common Stock — 371,565 shares (Direct)

Footnotes (1)

1. F1. Compensation awarded to directors pursuant to Plug Power Inc.'s Non-Employee Director Compensation Plan.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PLUG director Maureen Helmer report?

Director Maureen O. Helmer reported an acquisition of 13,959 shares of Plug Power Inc. common stock on January 2, 2026, shown as a stock award.

What is the transaction code and price for the PLUG Form 4 filing?

The transaction is coded "A" for an acquisition of common stock, with a reported price of $1.97 per share for the 13,959 shares awarded.

How many Plug Power shares does Maureen Helmer own after this transaction?

After the reported stock award, Maureen O. Helmer beneficially owns 371,565 shares of Plug Power Inc. common stock in direct ownership.

Was the PLUG insider acquisition part of a compensation plan?

Yes. A footnote states the 13,959-share grant represents compensation awarded to directors under Plug Power Inc.'s Non-Employee Director Compensation Plan.

Does this PLUG Form 4 involve derivative securities or only common stock?

The reported transaction involves only non-derivative common stock. The section for derivative securities shows no derivative transactions for this filing.

Is Maureen Helmer a 10% owner of Plug Power according to this filing?

No. The form identifies Maureen O. Helmer as a director of Plug Power Inc., and the box for 10% owner is not checked.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/06/2026 - 09:02 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HELMER MAUREEN O

(Last) (First) (Middle)

C/O PLUG POWER INC.

125 VISTA BOULEVARD

(Street)

SLINGERLANDS NY 12159

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PLUG POWER INC [ PLUG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/02/2026		A(1)		13,959	A	$1.97	371,565	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Compensation awarded to directors pursuant to Plug Power Inc.'s Non-Employee Director Compensation Plan.

	/s/ Gerard L. Conway Jr., Attorney-in-Fact	01/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.