PLUG POWER INC — Director's Dealing 2021

Jan 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLUG POWER INC (PLUG)
CIK: 0001093691
Period of Report: 2021-01-19

Reporting Person: Marsh Andrew (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-19	Common Stock	M	106600	$6.10	Acquired	855280	Direct
2021-01-19	Common Stock	M	466668	$2.14	Acquired	1321948	Direct
2021-01-19	Common Stock	S	13482	$62.6504	Disposed	1308466	Direct
2021-01-19	Common Stock	S	49918	$63.9660	Disposed	1258548	Direct
2021-01-19	Common Stock	S	156051	$64.8196	Disposed	1102497	Direct
2021-01-19	Common Stock	S	114120	$65.6612	Disposed	988377	Direct
2021-01-19	Common Stock	S	132753	$66.5801	Disposed	855624	Direct
2021-01-19	Common Stock	S	101766	$67.7270	Disposed	753858	Direct
2021-01-19	Common Stock	S	5178	$68.3109	Disposed	748680	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-01-19	Stock Option (Right to Buy)	$6.10	M	106600	Disposed	2021-04-13	Common Stock (106600)	Direct
2021-01-19	Stock Option (Right to Buy)	$2.14	M	466668	Disposed	2027-08-31	Common Stock (466668)	Direct

Footnotes

F1: Shares sold pursuant to a pre-established 10b5-1 trading plan.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.25 to $63.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.26 to $64.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.26 to $65.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.26 to $66.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.26 to $67.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.26 to $68.2504, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F8: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.26 to $68.43, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

F9: This option was previously reported as covering 1,066,000 shares at an exercise price of $0.61 per share, but was adjusted to reflect a 1-for-10 reverse stock split that occurred on May 19, 2011.

F10: The stock option granted to the reporting person is fully vested and exercisable as of the date hereof.