AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

SEGALL BRYANT & HAMILL, LLC's Holding History (CIK: 0001006378)

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

Q4 2025

Shares 897,637 Value ($000) $35,439 Avg Close $35.54 Range $28.11 - $47.28

Q3 2025

Shares 568,882 Value ($000) $16,156 Avg Close $23.96 Range $20.48 - $30.29

Q2 2025

Shares 100,714 Value ($000) $2,114 Avg Close $18.29 Range $13.89 - $21.19

Q1 2025

Shares 113,167 Value ($000) $2,044 Avg Close $22.28 Range $17.44 - $27.31

Q4 2024

Shares 113,490 Value ($000) $2,916 Avg Close $26.77 Range $23.33 - $30.71

Q3 2024

Shares 120,258 Value ($000) $3,680 Avg Close $32.91 Range $25.69 - $43.32

Q2 2024

Shares 162,853 Value ($000) $6,517 Avg Close $31.93 Range $27.12 - $39.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	897,637	$35,439	$35.54	$28.11 - $47.28
Q3 2025	568,882	$16,156	$23.96	$20.48 - $30.29
Q2 2025	100,714	$2,114	$18.29	$13.89 - $21.19
Q1 2025	113,167	$2,044	$22.28	$17.44 - $27.31
Q4 2024	113,490	$2,916	$26.77	$23.33 - $30.71
Q3 2024	120,258	$3,680	$32.91	$25.69 - $43.32
Q2 2024	162,853	$6,517	$31.93	$27.12 - $39.53