MAGNACHIP SEMICONDUCTOR Corp (MX) Insider Ownership

Historic Insider Ownership Trends

As of April 22, 2026, Magnachip Semiconductor's top three insider holders are Young-Joon Kim (Director And Ceo, 590.97K shares), Theodore S Kim (Officer, 293.20K shares), Ilbok Lee (Director, 275.03K 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
Young-Joon Kim Director And Ceo 590,970 0 03 Jun, 2025
Theodore S Kim - 293,200 0 03 Jan, 2025
Ilbok Lee - 275,026 0 03 Jul, 2025
Shin Young Park Chief Financial Officer (4) 215,454 0 02 Jan, 2026
Gilbert E Nathan - 214,491 0 17 Feb, 2026
Gilbert E Nathan - 0 158,200 17 Mar, 2026
Woung Moo Lee - 151,903 0 13 Jun, 2024
Gary W. Tanner - 131,009 0 05 Jun, 2023
Melvin L Keating - 124,445 0 05 Jun, 2023
Seunghoon Lee - 106,203 0 04 Mar, 2025
Kyo-Hwa Liz Chung - 100,789 0 17 Feb, 2026
Jinseok Yang - 70,742 0 04 Mar, 2025
Chan Ho Park - 42,012 0 03 Jan, 2024
Cristiano Amoruso - 28,628 0 17 Feb, 2026
Young Soo Woo - 23,697 0 04 Jan, 2022

* 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 Mar, 2026 Gilbert E Nathan Common Stock A 21,994 $2.87 158,200 I P
12 Mar, 2026 Gilbert E Nathan Common Stock A 25,000 $2.75 123,200 I P
13 Mar, 2026 Gilbert E Nathan Common Stock A 13,006 $2.79 136,206 I P
15 Feb, 2026 Cristiano Amoruso Common Stock A 28,628 $0.00 28,628 D A
15 Feb, 2026 Kyo-Hwa Liz Chung Common Stock A 2,946 $0.00 100,789 D A
15 Feb, 2026 Gilbert E Nathan Common Stock A 1,478 $0.00 214,491 D A
31 Dec, 2025 Shin Young Park Common Stock D 6,121 $2.55 245,665 D F
31 Dec, 2025 Shin Young Park Common Stock D 12,234 $2.55 233,431 D F
31 Dec, 2025 Shin Young Park Common Stock D 17,977 $2.55 215,454 D F
15 Nov, 2025 Gilbert E Nathan Common Stock A 6,320 $0.00 213,013 D A
15 Nov, 2025 Kyo-Hwa Liz Chung Common Stock A 3,160 $0.00 97,843 D A
25 Aug, 2025 Shin Young Park Common Stock A 10,000 $2.87 251,786 D P
01 Jul, 2025 Gilbert E Nathan Common Stock A 50,650 $0.00 206,693 D A
01 Jul, 2025 Kyo-Hwa Liz Chung Common Stock A 45,455 $0.00 94,683 D A
01 Jul, 2025 Ilbok Lee Common Stock A 55,845 $0.00 275,026 D A
15 Jun, 2025 Kyo-Hwa Liz Chung Common Stock D 15,814 $3.84 49,228 D D
01 Jun, 2025 Shin Young Park Common Stock A 110,210 $0.00 241,786 D A
01 Jun, 2025 Young-Joon Kim Common Stock A 164,269 $0.00 590,970 D A
01 Jun, 2025 Young-Joon Kim Performance-Based Restricted Stock Units A 164,269 $0.00 164,269 D A
01 Jun, 2025 Shin Young Park Performance-Based Restricted Stock Units A 55,104 $0.00 55,104 D A