PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Herold Advisors, Inc.'s Holding History (CIK: 0001891713)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 300 Value ($000) $8,583 Avg Close $23.83 Range $17.51 - $29.99

Q3 2021

Shares 300 Value ($000) $7 Avg Close $26.79 Range $23.16 - $34.45

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	300	$8,583	$23.83	$17.51 - $29.99
Q3 2021	300	$7	$26.79	$23.16 - $34.45