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).
| 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.
| 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 |