Andrew Marsh awarded 72,469 Plug Power (PLUG) stock options

Rhea-AI Filing Summary

Plug Power Inc. director Andrew Marsh reported a grant of 72,469 stock options as equity compensation. The options allow him to buy 72,469 shares of common stock at an exercise price of $2.71 per share and expire on June 30, 2036.

The award was granted under Plug Power’s 2021 Stock Option and Incentive Plan and issued pursuant to a Transitional Consulting Agreement that provides for quarterly equity awards. These options vest in three equal annual installments starting on the first anniversary of the grant date, contingent on his continued service.

Insights

Equity compensation analyst

Routine equity grant of 72,469 options to a Plug Power director as consulting compensation.

Andrew Marsh received 72,469 Plug Power stock options at a $2.71 exercise price, expiring in 2036. The Form 4 labels this as a grant/award acquisition, indicating compensation rather than an open-market purchase.

The grant was made under the 2021 Stock Option and Incentive Plan and tied to a Transitional Consulting Agreement that provides quarterly equity awards. Vesting in three equal annual installments starting one year after grant links value to ongoing service, making this a standard long-term incentive rather than a directional trading signal.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Marsh Andrew

Role null

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (Right to Buy)	72,469	$0.00	--

Holdings After Transaction: Stock Option (Right to Buy) — 72,469 shares (Direct, null)

Footnotes (1)

1. Awarded pursuant to Plug Power Inc.'s 2021 Stock Option and Incentive Plan, as amended. Stock option issued pursuant to the previously disclosed Transitional Consulting Agreement, pursuant to which the Reporting Person is entitled to receive a quarterly equity award during the term of the agreement. The shares underlying this stock option shall vest in three equal annual installments commencing on the first anniversary of the grant date, subject to the Reporting Person's continued service through each applicable vesting date.

Key Figures

Options granted: 72,469 options Exercise price: $2.71 per share Expiration date: June 30, 2036 +2 more

5 metrics

Options granted 72,469 options Stock Option (Right to Buy) granted June 30, 2026

Exercise price $2.71 per share Exercise price of underlying Plug Power common stock

Expiration date June 30, 2036 Option expiration for 72,469-share grant

Options held after grant 72,469 options Total derivative securities following this transaction

Vesting schedule 3 equal annual installments Commencing on first anniversary of grant date

Key Terms

Stock Option (Right to Buy), 2021 Stock Option and Incentive Plan, Transitional Consulting Agreement, vesting

4 terms

Stock Option (Right to Buy) financial

"security_title: Stock Option (Right to Buy)"

2021 Stock Option and Incentive Plan financial

"Awarded pursuant to Plug Power Inc.'s 2021 Stock Option and Incentive Plan, as amended."

Transitional Consulting Agreement financial

"Stock option issued pursuant to the previously disclosed Transitional Consulting Agreement, pursuant to which the Reporting Person is entitled to receive a quarterly equity award"

vesting financial

"shall vest in three equal annual installments commencing on the first anniversary of the grant date"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/02/2026 - 05:13 PM Accepted by SEC EDGAR 07/02/2026 - 05:12 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^*

Marsh Andrew

(Last) (First) (Middle)

C/O PLUG POWER INC.

125 VISTA BOULEVARD

(Street)

SLINGERLANDS NEW YORK 12159

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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

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

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

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

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
Stock Option (Right to Buy)(1)	$2.71	06/30/2026		A		72,469		(2)	06/30/2036	Common Stock	72,469	$0.00	72,469	D

Explanation of Responses:

1. Awarded pursuant to Plug Power Inc.'s 2021 Stock Option and Incentive Plan, as amended.

2. Stock option issued pursuant to the previously disclosed Transitional Consulting Agreement, pursuant to which the Reporting Person is entitled to receive a quarterly equity award during the term of the agreement. The shares underlying this stock option shall vest in three equal annual installments commencing on the first anniversary of the grant date, subject to the Reporting Person's continued service through each applicable vesting date.

	/s/ Gerard L. Conway, Jr., Attorney-in-Fact	07/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Plug Power (PLUG) director Andrew Marsh report?

Andrew Marsh reported receiving a grant of 72,469 Plug Power stock options as compensation. The options are a derivative security giving him the right to buy common shares, rather than a direct open-market stock purchase or sale, and are documented as a grant/award acquisition.

How many Plug Power (PLUG) stock options did Andrew Marsh receive and at what exercise price?

He received 72,469 stock options to acquire Plug Power common stock at an exercise price of $2.71 per share. These options represent a right to buy shares in the future at that fixed price, subject to the vesting schedule and expiration date disclosed.

When do Andrew Marsh’s new Plug Power (PLUG) stock options vest and expire?

The 72,469 options vest in three equal annual installments, starting on the first anniversary of the June 30, 2026 grant date. They expire on June 30, 2036, providing a ten-year exercise window once each portion becomes vested through continued service.

Under what plan and agreement were Andrew Marsh’s Plug Power (PLUG) options granted?

The options were awarded under Plug Power Inc.’s 2021 Stock Option and Incentive Plan, as amended. A footnote states they were issued pursuant to a Transitional Consulting Agreement that entitles Marsh to receive a quarterly equity award during the agreement’s term.

Is Andrew Marsh’s Plug Power (PLUG) Form 4 transaction a market buy or a compensation grant?

The filing describes the transaction as a grant, award, or other acquisition of stock options, not an open-market purchase. The price per option is $0.00, with a $2.71 exercise price, indicating standard equity compensation tied to his consulting role and future vesting conditions.