As of September 09, 2026, the three largest insider holders of MCBS are Nack Y Paek (Chief Executive Officer, 1.38Mn shares), Farid Tan (President, 1.01Mn shares), Young K. Park (Director, 823.70K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Nack Y Paek | Chief Executive Officer | 1,376,545 | 0 | 1,376,545 | 20.2% | 02 Jun, 2026 |
| 2 | Farid Tan | President | 1,005,233 | 0 | 1,005,233 | 14.7% | 02 Jun, 2026 |
| 3 | Young K. Park | Director | 823,695 | 0 | 823,695 | 12.1% | 02 Jun, 2023 |
| 4 | Don Leung | Director | 817,330 | 0 | 817,330 | 12.0% | 02 Jun, 2026 |
| 5 | Howard Hwasaeng Kim | Executive Vice President | 669,141 | 0 | 669,141 | 9.8% | 02 Jun, 2026 |
| 6 | Ajit A. Patel | Director | 647,333 | 0 | 647,333 | 9.5% | 02 Jun, 2026 |
| 7 | Sam Sang-Koo Shim | Director | 528,961 | 0 | 528,961 | 7.8% | 14 Nov, 2024 |
| 8 | John Paek | Director | 235,821 | 0 | 235,821 | 3.5% | 02 Jun, 2026 |
| 9 | Frank Glover | Director | 203,825 | 0 | 203,825 | 3.0% | 02 Jun, 2026 |
| 10 | Feiying Lu | Director | 168,530 | 0 | 168,530 | 2.5% | 02 Jun, 2026 |
| 11 | William J. Hungeling | Director | 158,163 | 0 | 158,163 | 2.3% | 02 Jun, 2026 |
| 12 | David S. Shim | Director | 105,854 | 0 | 105,854 | 1.6% | 02 Jun, 2026 |
| 13 | Francis Lai | Director | 55,733 | 0 | 55,733 | 0.8% | 02 Jun, 2026 |
| 14 | Frank S. Rhee | Director | 19,733 | 0 | 19,733 | 0.3% | 02 Jun, 2026 |
| 15 | Abdul Mohdnor | Executive Vice President | 6,175 | 0 | 6,175 | 0.1% | 02 Jun, 2026 |
| 16 | Lucas Stewart | Chief Financial Officer | 2,989 | 0 | 2,989 | 0.0% | 03 Jun, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 01 Jun, 2026 | Ajit A. Patel | Director | Acquired A | 735 | $32.66 | $24.01K | 647,333 | Direct |
| 01 Jun, 2026 | Howard Hwasaeng Kim | Executive Vice President | Acquired A | 21,840 | $32.66 | $713.29K | 669,141 | Direct |
| 01 Jun, 2026 | Feiying Lu | Director | Acquired A | 735 | $32.66 | $24.01K | 168,530 | Direct |
| 01 Jun, 2026 | John Paek | Director | Acquired A | 735 | $32.66 | $24.01K | 235,821 | Direct |
| 01 Jun, 2026 | Frank S. Rhee | Director | Acquired A | 735 | $32.66 | $24.01K | 19,733 | Direct |
| 01 Jun, 2026 | Frank Glover | Director | Acquired A | 735 | $32.66 | $24.01K | 203,825 | Direct |
| 01 Jun, 2026 | David S. Shim | Director | Acquired A | 367 | $32.66 | $11.99K | 105,854 | Direct |
| 01 Jun, 2026 | Abdul Mohdnor | Executive Vice President | Acquired A | 612 | $32.66 | $19.99K | 6,175 | Direct |
| 01 Jun, 2026 | William J. Hungeling | Director | Acquired A | 735 | $32.66 | $24.01K | 158,163 | Direct |
| 01 Jun, 2026 | Don Leung | Director | Acquired A | 735 | $32.66 | $24.01K | 817,330 | Direct |
| 01 Jun, 2026 | Farid Tan | President | Acquired A | 31,107 | $32.66 | $1.02Mn | 1,005,233 | Direct |
| 01 Jun, 2026 | Nack Y Paek | Chief Executive Officer | Acquired A | 31,107 | $32.66 | $1.02Mn | 1,376,545 | Direct |
| 01 Jun, 2026 | Francis Lai | Director | Acquired A | 735 | $32.66 | $24.01K | 55,733 | Direct |
| 02 Jun, 2025 | John Paek | Director | Acquired A | 286 | $27.94 | $7.99K | 35,086 | Direct |
| 02 Jun, 2025 | Lucas Stewart | Chief Financial Officer | Acquired A | 859 | $27.94 | $24.00K | 2,989 | Direct |
| 02 Jun, 2025 | Lucas Stewart | Chief Financial Officer | Acquired A | 859 | $27.94 | $24.00K | 2,989 | Direct |
| 02 Jun, 2025 | Abdul Mohdnor | Executive Vice President | Acquired A | 716 | $27.94 | $20.01K | 5,563 | Direct |
| 02 Jun, 2025 | Abdul Mohdnor | Executive Vice President | Acquired A | 716 | $27.94 | $20.01K | 5,563 | Direct |
| 02 Jun, 2025 | Abdul Mohdnor | Executive Vice President | Acquired A | 716 | $27.94 | $20.01K | 5,563 | Direct |
| 02 Jun, 2025 | John Paek | Director | Acquired A | 286 | $27.94 | $7.99K | 35,086 | Direct |