Amkor Technology, Inc. (AMKR) Insider Ownership

Historic Insider Ownership Trends

Amkor Technology's three largest insider shareholders as of June 06, 2026 are Agnes C Kim (Other, 72.07Mn shares), Agnes C Kim (Other, 66.25Mn shares), James J Kim (Director, 39.59Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Winston J Churchill - 25,888 0 17 Dec, 2025
James J Kim - 0 39,594,980 18 Sep, 2023
Agnes C Kim - 0 72,066,487 15 Feb, 2022
Susan Y Kim - 0 21,963,134 31 Dec, 2021
David D Kim - 0 3,789,479 05 Aug, 2025
John T Kim - 0 29,594,980 17 Feb, 2026
Douglas A Alexander - 29,109 0 16 May, 2025
Mark N Rogers Evp General Counsel 38,904 0 20 Apr, 2026
David N Watson - 120,757 0 26 Feb, 2026
John D Liu - 2,983 0 16 May, 2025
Roger Anthony Carolin - 94,409 0 16 May, 2025
Gil C. Tily Cao General Counsel 123,806 0 16 Dec, 2025
Investments, Lp 915 - 29,594,980 0 17 Feb, 2026
Investments, Lp Sujoda - 3,789,479 0 05 Aug, 2025
Robert Randolph Morse - 134,977 0 09 Apr, 2026
John Charles Stone Executive Vice President 31,038 0 15 Feb, 2022
Guillaume Marie Jean Rutten President And Ceo 552,558 0 02 Apr, 2026
Megan Faust Cfo 134,138 0 02 Apr, 2026
Maryfrances Mccourt - 55,918 0 16 Dec, 2025
Daniel Jl Liao - 40,804 0 16 May, 2025
Annuity Trust Under The Susan Y. Kim 2020-1 Irrevocable Trust Agreement Dated 04/01/2020 Qualified - 1,958,355 0 21 Jun, 2023
Sung Shin Executive Vice President 15,418 0 05 Jun, 2023
Farshad Haghighi Executive Vice President 8,354 0 26 Feb, 2026
Llc Susins, - 164,678 0 20 Jan, 2022
Management, Llc Sujoda - 0 3,789,479 05 Aug, 2025
Y. Kim 2012 Generation-Skipping Trust U/A Dated December 11, 2012 Susan - 0 164,678 24 Jan, 2022
Kevin K. Engel President And Ceo 7,920 0 02 Apr, 2026
T. Kim 2024 Grat #2 Dtd. 08/09/2024 John - 59,250 0 06 Nov, 2025
Grantor Retained Annuity Trust Of Susan Y. Kim Dtd. 8/5/2024 2024 - 1,124,000 0 24 Nov, 2025
Grantor Retained Annuity Trust Of James J. Kim Dtd. 8/5/2024 2024 - 1,235,000 0 24 Nov, 2025
Grantor Retained Annuity Trust Of Agnes C. Kim Dtd. 8/5/2024 2024 - 895,000 0 24 Nov, 2025
T. Kim 2024 Grat #1 Dtd. 08/09/2024 John - 1,194,000 0 06 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Apr, 2026 Mark N Rogers Common Stock A 5,000 $7.40 43,904 D M
16 Apr, 2026 Mark N Rogers Common Stock A 5,000 $7.40 43,904 D M
16 Apr, 2026 Mark N Rogers Common Stock D 5,000 $59.43 38,904 D S
16 Apr, 2026 Mark N Rogers Common Stock D 5,000 $59.43 38,904 D S
16 Apr, 2026 Mark N Rogers Employee Stock Option (Right-to-Buy) D 5,000 $0.00 90,000 D M
16 Apr, 2026 Mark N Rogers Employee Stock Option (Right-to-Buy) D 5,000 $0.00 90,000 D M
07 Apr, 2026 Susan Y Kim Common Stock A 20,000 $5.66 6,110,494 D M
07 Apr, 2026 Susan Y Kim Common Stock A 20,000 $5.66 6,110,494 D M
07 Apr, 2026 Susan Y Kim Common Stock A 20,000 $5.66 6,110,494 D M
07 Apr, 2026 Robert Randolph Morse Common Stock A 20,000 $5.66 137,355 D M
07 Apr, 2026 Robert Randolph Morse Common Stock D 2,378 $0.00 134,977 D F
07 Apr, 2026 Robert Randolph Morse Director Stock Option (Right-to-Buy) D 20,000 $0.00 0 D M
07 Apr, 2026 Susan Y Kim Director stock option (right to buy) D 20,000 $0.00 0 D M
07 Apr, 2026 Susan Y Kim Director stock option (right to buy) D 20,000 $0.00 0 D M
07 Apr, 2026 Susan Y Kim Director stock option (right to buy) D 20,000 $0.00 0 D M
31 Mar, 2026 David N Watson Restricted Stock Units A 18 $0.00 9,893 D A
31 Mar, 2026 Maryfrances Mccourt Restricted Stock Units A 16 $0.00 8,896 D A
31 Mar, 2026 Maryfrances Mccourt Restricted Stock Units A 16 $0.00 8,896 D A
31 Mar, 2026 Kevin K. Engel Common Stock A 8,692 $0.00 11,645 D M
31 Mar, 2026 Guillaume Marie Jean Rutten Common Stock A 8,692 $0.00 552,558 D M