AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q4 2025

Shares 1,526 Value ($000) $60 Avg Close $35.54 Range $28.11 - $47.28

Q3 2025

Shares 1,526 Value ($000) $43 Avg Close $23.96 Range $20.48 - $30.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,526	$60	$35.54	$28.11 - $47.28
Q3 2025	1,526	$43	$23.96	$20.48 - $30.29