SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Hoefelmann Dirk Ole

(Last)

(First)

(Middle)

C/O PLUG POWER INC.,

968 ALBANY-SHAKER ROAD

(Street)

LATHAM

12110

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2021

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

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	GM, Electrolyzer Solutions

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	250,000⁽¹⁾	D
Common Stock	269	I	401(k) Plan⁽²⁾

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (Right to Buy)	⁽³⁾	03/03/2031	Common Stock	250,000	$43.81	D

Explanation of Responses:

1. Consists of a restricted stock award made pursuant to Plug Power's 2011 Stock Option and Incentive Plan (the "2011 Plan"). The restricted stock vests in three substantially equal installments, with the first installment vesting on March 3, 2022.

2. The reporting person holds 269 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 December 6, 2021.

3. Awarded pursuant to the 2011 Plan. This option shall vest and become exercisable in three substantially equal annual installments, with the first installment vesting on March 3, 2022.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Gerard L. Conway, Jr., Attorney-in-Fact	12/28/2021
	** 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 5 (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.