MAGNACHIP SEMICONDUCTOR Corp (MX) Insider Ownership

Historic Insider Ownership Trends

Magnachip Semiconductor's three largest insider shareholders as of March 23, 2026 are Young-Joon Kim (See Remarks, 590.97K shares), Camillo Martino (See Remarks, 364.61K shares), Theodore S Kim (See Remarks, 293.20K 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
Camillo Martino See Remarks 364,611 0 03 Oct, 2025
Shin Young Park See Remarks 215,454 0 02 Jan, 2026
Gilbert E Nathan 214,491 0 17 Feb, 2026
Gilbert E Nathan 0 158,200 17 Mar, 2026
Gary W. Tanner 131,009 0 05 Jun, 2023
Jinseok Yang See Remarks 70,742 0 04 Mar, 2025
Chan Ho Park See Remarks 42,012 0 03 Jan, 2024
Camillo Martino 0 40,000 17 Mar, 2025
Young Soo Woo See Remarks 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 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
01 Oct, 2025 Camillo Martino Common Stock A 105,484 $0.00 364,611 D A
22 Aug, 2025 Camillo Martino Common Stock A 30,000 $2.84 259,127 D P
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 Camillo Martino Common Stock A 53,247 $0.00 229,127 D A
01 Jun, 2025 Shin Young Park Common Stock A 110,210 $0.00 241,786 D A
01 Jun, 2025 Shin Young Park Performance-Based Restricted Stock Units A 55,104 $0.00 55,104 D A
13 Mar, 2025 Gilbert E Nathan Common Stock A 20,000 $3.68 98,200 I P
13 Mar, 2025 Camillo Martino Common Stock A 20,000 $3.66 40,000 I P
01 Mar, 2025 Jinseok Yang Common Stock A 7,000 $4.54 73,909 D A
01 Mar, 2025 Jinseok Yang Common Stock D 3,167 $4.54 70,742 D F
31 Dec, 2024 Shin Young Park Common Stock D 2,445 $4.02 149,918 D F