PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Steigerwald, Gordon & Koch Inc.'s Holding History (CIK: 0001731876)

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

Q4 2025

Shares 550 Value ($000) $1 Avg Close $2.61 Range $1.70 - $4.58

Q3 2025

Shares 550 Value ($000) $1 Avg Close $1.70 Range $1.34 - $3.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	550	$1	$2.61	$1.70 - $4.58
Q3 2025	550	$1	$1.70	$1.34 - $3.16