POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2019

Shares 416 Value ($000) $41 Avg Close $43.28 Range $39.70 - $46.87

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	416	$41	$43.28	$39.70 - $46.87