PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Cobblestone Asset Management LLC's Holding History (CIK: 0001994512)

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

Q4 2025

Shares 119,479 Value ($000) $235 Avg Close $2.61 Range $1.70 - $4.58

Q3 2025

Shares 115,470 Value ($000) $269 Avg Close $1.70 Range $1.34 - $3.16

Q2 2025

Shares 95,500 Value ($000) $142 Avg Close $1.00 Range $0.69 - $1.57

Q1 2025

Shares 91,500 Value ($000) $124 Avg Close $1.90 Range $1.26 - $3.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	119,479	$235	$2.61	$1.70 - $4.58
Q3 2025	115,470	$269	$1.70	$1.34 - $3.16
Q2 2025	95,500	$142	$1.00	$0.69 - $1.57
Q1 2025	91,500	$124	$1.90	$1.26 - $3.32