POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

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

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

Q4 2025

Shares 160 Value ($000) $6 Avg Close $37.75 Range $30.67 - $50.10

Q3 2025

Shares 160 Value ($000) $6 Avg Close $47.82 Range $38.91 - $59.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160	$6	$37.75	$30.67 - $50.10
Q3 2025	160	$6	$47.82	$38.91 - $59.47