According to recent filings covering the 90 days ending December 12, 2025, the three most significant insider holders at MAGNACHIP SEMICONDUCTOR are Director Camillo Martino (404.61K shares), Director Gilbert E Nathan (311.21K shares), Officer Shin Young Park (251.79K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Young-Joon Kim | 590,970 | 03 Jun, 2025 | |
| Camillo Martino | 404,611 | 03 Oct, 2025 | |
| Gilbert E Nathan | 311,213 | 17 Nov, 2025 | |
| Theodore S Kim | 293,200 | 03 Jan, 2025 | |
| Ilbok Lee | 275,026 | 03 Jul, 2025 | |
| Shin Young Park | 251,786 | 26 Aug, 2025 | |
| Woung Moo Lee | 151,903 | 13 Jun, 2024 | |
| Gary W. Tanner | 131,009 | 05 Jun, 2023 | |
| Melvin L Keating | 124,445 | 05 Jun, 2023 | |
| Seunghoon Lee | 106,203 | 04 Mar, 2025 | |
| Kyo-Hwa Liz Chung | 97,843 | 17 Nov, 2025 | |
| Jinseok Yang | 70,742 | 04 Mar, 2025 | |
| Chan Ho Park | 42,012 | 03 Jan, 2024 | |
| Young Soo Woo | 23,697 | 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 |
|---|---|---|---|---|---|---|---|---|
| 15 Nov, 2025 | Kyo-Hwa Liz Chung | Common Stock | A | 3,160 | $0.00 | 97,843 | D | A |
| 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 |
| 25 Aug, 2025 | Shin Young Park | - | - | 251,786 | D | |||
| 25 Aug, 2025 | Shin Young Park | Common Stock | A | 10,000 | $2.87 | 251,786 | D | P |
| 22 Aug, 2025 | Camillo Martino | Common Stock | A | 30,000 | $2.84 | 259,127 | D | P |
| 01 Jul, 2025 | Ilbok Lee | Common Stock | A | 55,845 | $0.00 | 275,026 | D | A |
| 01 Jul, 2025 | Ilbok Lee | - | - | 275,026 | D | |||
| 01 Jul, 2025 | Camillo Martino | Common Stock | A | 53,247 | $0.00 | 229,127 | D | A |
| 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 |
| 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 | - | - | 590,970 | D | |||
| 14 Mar, 2025 | Ilbok Lee | Common Stock | A | 20,000 | $3.86 | 219,181 | D | P |
| 14 Mar, 2025 | Ilbok Lee | - | - | 219,181 | D | |||
| 13 Mar, 2025 | Gilbert E Nathan | Common Stock | A | 20,000 | $3.68 | 98,200 | I | P |
| 13 Mar, 2025 | Camillo Martino | - | - | 40,000 | I | |||
| 13 Mar, 2025 | Camillo Martino | Common Stock | A | 20,000 | $3.66 | 40,000 | I | P |