PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

ALGERT GLOBAL LLC's Holding History (CIK: 0001275218)

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

Q4 2025

Shares 571,570 Value ($000) $1 Avg Close $2.61 Range $1.70 - $4.58

Q2 2024

Shares 65,388 Value ($000) $0 Avg Close $2.86 Range $2.25 - $4.90

Q2 2021

Shares 8,279 Value ($000) $283 Avg Close $29.01 Range $18.47 - $37.75

Q1 2021

Shares 11,891 Value ($000) $426 Avg Close $51.55 Range $30.10 - $75.49

Q4 2020

Shares 13,696 Value ($000) $464 Avg Close $22.64 Range $13.27 - $37.51

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	571,570	$1	$2.61	$1.70 - $4.58
Q2 2024	65,388	$0	$2.86	$2.25 - $4.90
Q2 2021	8,279	$283	$29.01	$18.47 - $37.75
Q1 2021	11,891	$426	$51.55	$30.10 - $75.49
Q4 2020	13,696	$464	$22.64	$13.27 - $37.51