AMKOR TECHNOLOGY INC

Ticker: AMKR CUSIP: 031652100 Class: Common Stock

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q1 2025

Shares 15,867 Value ($000) $0 Avg Close $22.28 Range $17.44 - $27.31

Q3 2023

Shares 18,932 Value ($000) $0 Avg Close $25.22 Range $20.83 - $28.77

Q3 2022

Shares 29,543 Value ($000) $504 Avg Close $18.20 Range $14.08 - $21.90

Q1 2022

Shares 24,418 Value ($000) $530 Avg Close $21.32 Range $18.61 - $25.07

Q1 2021

Shares 22,225 Value ($000) $527 Avg Close $19.14 Range $13.85 - $24.36

Q3 2020

Shares 39,816 Value ($000) $446 Avg Close $11.54 Range $9.98 - $14.72

Q1 2020

Shares 13,260 Value ($000) $103 Avg Close $10.13 Range $5.03 - $13.81

Q4 2019

Shares 91,516 Value ($000) $1,190 Avg Close $11.12 Range $8.40 - $14.21

Q3 2019

Shares 129,067 Value ($000) $1,175 Avg Close $7.99 Range $6.78 - $9.12

Q2 2019

Shares 55,068 Value ($000) $411 Avg Close $7.29 Range $5.97 - $9.08

Q3 2018

Shares 73,598 Value ($000) $544 Avg Close $7.92 Range $6.80 - $8.76

Q4 2017

Shares 48,285 Value ($000) $485 Avg Close $9.97 Range $9.24 - $11.07

Q3 2017

Shares 10,659 Value ($000) $112 Avg Close $8.92 Range $7.75 - $10.48

Q2 2017

Shares 85,546 Value ($000) $836 Avg Close $10.55 Range $8.97 - $11.63

Q1 2017

Shares 157,195 Value ($000) $1,822 Avg Close $9.61 Range $8.43 - $10.85

Q4 2016

Shares 41,646 Value ($000) $439 Avg Close $9.93 Range $8.41 - $11.63

Q3 2016

Shares 15,995 Value ($000) $155 Avg Close $7.46 Range $5.13 - $9.17

Q2 2016

Shares 273,595 Value ($000) $1,573 Avg Close $5.44 Range $4.91 - $6.06

Q1 2016

Shares 260,295 Value ($000) $1,533 Avg Close $5.06 Range $3.81 - $5.78

Q4 2015

Shares 427,488 Value ($000) $2,599 Avg Close $5.64 Range $4.05 - $6.57

Q3 2015

Shares 619,551 Value ($000) $2,782 Avg Close $4.58 Range $3.74 - $5.73

Q2 2015

Shares 420,837 Value ($000) $2,517 Avg Close $6.72 Range $5.49 - $8.46

Q1 2015

Shares 479,813 Value ($000) $4,239 Avg Close $7.58 Range $5.83 - $9.44

Q4 2014

Shares 280,640 Value ($000) $1,993 Avg Close $6.46 Range $5.38 - $8.10

Q3 2014

Shares 207,016 Value ($000) $1,741 Avg Close $9.21 Range $7.83 - $10.86

Q2 2014

Shares 163,095 Value ($000) $1,823 Avg Close $8.60 Range $6.24 - $11.43

Q1 2014

Shares 136,295 Value ($000) $935 Avg Close $5.44 Range $4.68 - $6.41

Q4 2013

Shares 74,095 Value ($000) $454 Avg Close $4.97 Range $3.99 - $5.77

Q3 2013

Shares 73,365 Value ($000) $315 Avg Close $4.00 Range $3.73 - $4.42

Q2 2013

Shares 54,765 Value ($000) $231 Avg Close $3.93 Range $3.31 - $4.40

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	15,867	$0	$22.28	$17.44 - $27.31
Q3 2023	18,932	$0	$25.22	$20.83 - $28.77
Q3 2022	29,543	$504	$18.20	$14.08 - $21.90
Q1 2022	24,418	$530	$21.32	$18.61 - $25.07
Q1 2021	22,225	$527	$19.14	$13.85 - $24.36
Q3 2020	39,816	$446	$11.54	$9.98 - $14.72
Q1 2020	13,260	$103	$10.13	$5.03 - $13.81
Q4 2019	91,516	$1,190	$11.12	$8.40 - $14.21
Q3 2019	129,067	$1,175	$7.99	$6.78 - $9.12
Q2 2019	55,068	$411	$7.29	$5.97 - $9.08
Q3 2018	73,598	$544	$7.92	$6.80 - $8.76
Q4 2017	48,285	$485	$9.97	$9.24 - $11.07
Q3 2017	10,659	$112	$8.92	$7.75 - $10.48
Q2 2017	85,546	$836	$10.55	$8.97 - $11.63
Q1 2017	157,195	$1,822	$9.61	$8.43 - $10.85
Q4 2016	41,646	$439	$9.93	$8.41 - $11.63
Q3 2016	15,995	$155	$7.46	$5.13 - $9.17
Q2 2016	273,595	$1,573	$5.44	$4.91 - $6.06
Q1 2016	260,295	$1,533	$5.06	$3.81 - $5.78
Q4 2015	427,488	$2,599	$5.64	$4.05 - $6.57
Q3 2015	619,551	$2,782	$4.58	$3.74 - $5.73
Q2 2015	420,837	$2,517	$6.72	$5.49 - $8.46
Q1 2015	479,813	$4,239	$7.58	$5.83 - $9.44
Q4 2014	280,640	$1,993	$6.46	$5.38 - $8.10
Q3 2014	207,016	$1,741	$9.21	$7.83 - $10.86
Q2 2014	163,095	$1,823	$8.60	$6.24 - $11.43
Q1 2014	136,295	$935	$5.44	$4.68 - $6.41
Q4 2013	74,095	$454	$4.97	$3.99 - $5.77
Q3 2013	73,365	$315	$4.00	$3.73 - $4.42
Q2 2013	54,765	$231	$3.93	$3.31 - $4.40