POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q3 2025

Shares 494 Value ($000) $20 Avg Close $47.82 Range $38.91 - $59.47

Q2 2025

Shares 275 Value ($000) $15 Avg Close $50.63 Range $40.18 - $58.36

Q1 2025

Shares 417 Value ($000) $21 Avg Close $58.83 Range $48.83 - $66.96

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	494	$20	$47.82	$38.91 - $59.47
Q2 2025	275	$15	$50.63	$40.18 - $58.36
Q1 2025	417	$21	$58.83	$48.83 - $66.96