AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q3 2025
Shares 11,611 Value ($000) $0 Avg Close $23.96 Range $20.48 - $30.29
Q2 2025
Shares 13,554 Value ($000) $0 Avg Close $18.29 Range $13.89 - $21.19
Q4 2024
Shares 27,966 Value ($000) $1 Avg Close $26.77 Range $23.33 - $30.71
Q2 2024
Shares 30,704 Value ($000) $1 Avg Close $31.93 Range $27.12 - $39.53
Q1 2024
Shares 12,886 Value ($000) $0 Avg Close $30.50 Range $27.72 - $35.56
Q4 2023
Shares 41,405 Value ($000) $1 Avg Close $25.22 Range $16.85 - $33.10
Q1 2023
Shares 12,960 Value ($000) $0 Avg Close $26.02 Range $22.73 - $29.82
Q4 2022
Shares 2,650 Value ($000) $0 Avg Close $21.98 Range $15.71 - $27.58
Q2 2022
Shares 1,744 Value ($000) $29 Avg Close $17.93 Range $15.37 - $20.90
Q4 2020
Shares 12,067 Value ($000) $181 Avg Close $12.70 Range $10.09 - $14.70
Q3 2020
Shares 15,607 Value ($000) $174 Avg Close $11.54 Range $9.98 - $14.72
Q1 2020
Shares 2,235 Value ($000) $17 Avg Close $10.13 Range $5.03 - $13.81
Q4 2019
Shares 688 Value ($000) $8 Avg Close $11.12 Range $8.40 - $14.21
Q3 2019
Shares 492 Value ($000) $4 Avg Close $7.99 Range $6.78 - $9.12
Q2 2019
Shares 271 Value ($000) $2 Avg Close $7.29 Range $5.97 - $9.08
Q4 2018
Shares 5,600 Value ($000) $36 Avg Close $6.15 Range $5.33 - $7.05
Q1 2017
Shares 12,746 Value ($000) $147 Avg Close $9.61 Range $8.43 - $10.85
Q3 2016
Shares 47,901 Value ($000) $465 Avg Close $7.46 Range $5.13 - $9.17
Q1 2016
Shares 498 Value ($000) $2 Avg Close $5.06 Range $3.81 - $5.78
Q4 2015
Shares 3,547 Value ($000) $21 Avg Close $5.64 Range $4.05 - $6.57
Q3 2015
Shares 157 Value ($000) $0 Avg Close $4.58 Range $3.74 - $5.73
Q1 2015
Shares 127 Value ($000) $1 Avg Close $7.58 Range $5.83 - $9.44