As of September 09, 2026, the three largest insider holders of EWBC are Dominic Ng (Chief Executive Officer, 707.93K shares), Irene H Oh (Chief Risk Officer, 84.70K shares), Paul H Irving (Director, 43.56K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Dominic Ng | Chief Executive Officer | 707,930 | 0 | 707,930 | 67.6% | 06 May, 2026 |
| 2 | Irene H Oh | Chief Risk Officer | 84,698 | 0 | 84,698 | 8.1% | 16 Jun, 2026 |
| 3 | Paul H Irving | Director | 43,562 | 0 | 43,562 | 4.2% | 21 May, 2026 |
| 4 | Douglas Paul Krause | Vice Chairman | 36,974 | 0 | 36,974 | 3.5% | 06 Aug, 2026 |
| 5 | Lester Sussman | Director | 25,946 | 0 | 25,946 | 2.5% | 21 May, 2026 |
| 6 | Parker Shi | Chief Operating Officer | 24,648 | 0 | 24,648 | 2.4% | 03 Mar, 2026 |
| 7 | Rudolph Estrada | Director | 17,750 | 852 | 18,602 | 1.8% | 05 Nov, 2024 |
| 8 | Sabrina Kay | Director | 15,840 | 0 | 15,840 | 1.5% | 21 May, 2026 |
| 9 | Lisa L. Kim | Executive Vice President | 14,866 | 0 | 14,866 | 1.4% | 27 Jan, 2026 |
| 10 | Jack C Liu | Director | 13,709 | 0 | 13,709 | 1.3% | 12 Aug, 2026 |
| 11 | Archana Deskus | Director | 13,231 | 0 | 13,231 | 1.3% | 30 Apr, 2026 |
| 12 | Manuel Pham Alvarez | Director | 11,439 | 0 | 11,439 | 1.1% | 21 May, 2026 |
| 13 | Gary Teo | Executive Vice President | 11,322 | 0 | 11,322 | 1.1% | 03 Mar, 2026 |
| 14 | Serge Dumont | Director | 9,000 | 0 | 9,000 | 0.9% | 21 May, 2026 |
| 15 | Molly Campbell | Director | 6,912 | 0 | 6,912 | 0.7% | 21 May, 2026 |
| 16 | Mark R Hutchins | Director | 6,672 | 0 | 6,672 | 0.6% | 21 May, 2026 |
| 17 | Peter Babej | Director | 1,777 | 0 | 1,777 | 0.2% | 21 May, 2026 |
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 |
|---|---|---|---|---|---|---|---|---|
| 12 Aug, 2026 | Jack C Liu | Director | Disposed S | 1,000 | $135.02 | $135.02K | 13,709 | Direct |
| 06 Aug, 2026 | Douglas Paul Krause | Vice Chairman | Disposed S | 10,000 | $132.37 | $1.32Mn | 36,974 | Direct |
| 15 Jun, 2026 | Irene H Oh | Chief Risk Officer | Disposed S | 800 | $133.19 | $106.55K | 84,698 | Direct |
| 12 Jun, 2026 | Irene H Oh | Chief Risk Officer | Disposed S | 500 | $132.50 | $66.25K | 85,498 | Direct |
| 11 Jun, 2026 | Irene H Oh | Chief Risk Officer | Disposed S | 11,211 | $129.00 | $1.45Mn | 85,998 | Direct |
| 27 May, 2026 | Douglas Paul Krause | Vice Chairman | Disposed S | 10,000 | $123.50 | $1.24Mn | 46,974 | Direct |
| 18 May, 2026 | Lester Sussman | Director | Acquired A | 1,156 | $0.00 | $0 | 25,946 | Direct |
| 18 May, 2026 | Serge Dumont | Director | Acquired A | 1,156 | $0.00 | $0 | 9,000 | Direct |
| 18 May, 2026 | Molly Campbell | Director | Acquired A | 1,156 | $0.00 | $0 | 6,912 | Direct |
| 18 May, 2026 | Paul H Irving | Director | Acquired A | 1,156 | $0.00 | $0 | 43,562 | Direct |
| 18 May, 2026 | Sabrina Kay | Director | Acquired A | 1,156 | $0.00 | $0 | 15,840 | Direct |
| 18 May, 2026 | Manuel Pham Alvarez | Director | Acquired A | 1,156 | $0.00 | $0 | 11,439 | Direct |
| 18 May, 2026 | Mark R Hutchins | Director | Acquired A | 1,156 | $0.00 | $0 | 6,672 | Direct |
| 18 May, 2026 | Jack C Liu | Director | Acquired A | 1,156 | $0.00 | $0 | 14,709 | Direct |
| 18 May, 2026 | Peter Babej | Director | Acquired A | 1,156 | $0.00 | $0 | 1,777 | Direct |
| 06 May, 2026 | Dominic Ng | Chief Executive Officer | Disposed S | 1,688 | $124.76 | $210.59K | 736,242 | Direct |
| 06 May, 2026 | Dominic Ng | Chief Executive Officer | Disposed S | 28,312 | $125.34 | $3.55Mn | 707,930 | Direct |
| 05 May, 2026 | Dominic Ng | Chief Executive Officer | Disposed S | 30,000 | $123.49 | $3.70Mn | 737,930 | Direct |
| 30 Apr, 2026 | Archana Deskus | Director | Disposed S | 1,800 | $125.55 | $225.99K | 13,231 | Direct |
| 18 Mar, 2026 | Dominic Ng | Chief Executive Officer | Disposed G | 95,365 | $0.00 | $0 | 767,930 | Direct |