As of September 09, 2026, the three largest insider holders of CATY are Dunson K Cheng (Executive Chairman, 384.58K shares), Dunson K Cheng (Executive Chairman, 384.58K shares), Dunson K Cheng (Executive Chairman, 384.58K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Peter Wu | Vice Chairman | 0 | 275,252 | 275,252 | 23.9% | 07 May, 2026 |
| 2 | Heng W Chen | Evp/Cfo | 191,040 | 0 | 191,040 | 16.6% | 03 Apr, 2025 |
| 3 | Dunson K Cheng | Executive Chairman | 167,531 | 0 | 167,531 | 14.6% | 03 Apr, 2026 |
| 4 | Anthony M Tang | Vice Chairman | 147,876 | 0 | 147,876 | 12.9% | 10 Jun, 2026 |
| 5 | Chang Liu | President Ceo | 127,819 | 0 | 127,819 | 11.1% | 07 Apr, 2026 |
| 6 | Kelly L Chan | Director | 86,091 | 0 | 86,091 | 7.5% | 09 Dec, 2024 |
| 7 | Kim R Bingham | Evp, Chief Risk Officer | 0 | 45,530 | 45,530 | 4.0% | 29 Jul, 2024 |
| 8 | Joseph C H Poon | Director | 27,519 | 0 | 27,519 | 2.4% | 16 Apr, 2024 |
| 9 | Mark Hakjoon Lee | Evp, Chief Credit Officer | 17,038 | 0 | 17,038 | 1.5% | 05 Apr, 2023 |
| 10 | Richard Sun | Director | 0 | 13,655 | 13,655 | 1.2% | 03 Sep, 2026 |
| 11 | Maan-Huei Hung | Director | 12,707 | 0 | 12,707 | 1.1% | 17 Apr, 2026 |
| 12 | Shally Wang | Director | 10,908 | 0 | 10,908 | 0.9% | 17 Apr, 2026 |
| 13 | Nelson Chung | Director | 10,432 | 0 | 10,432 | 0.9% | 17 Apr, 2026 |
| 14 | May K. Chan | Svp, General Counsel | 3,691 | 0 | 3,691 | 0.3% | 29 Jul, 2026 |
| 15 | Ann Kono | Director | 3,506 | 0 | 3,506 | 0.3% | 17 Apr, 2026 |
| 16 | Elizabeth A. Woo | Director | 3,506 | 0 | 3,506 | 0.3% | 17 Apr, 2026 |
| 17 | Thomas M. Lo | Evp, Chief Admin Officer | 2,362 | 0 | 2,362 | 0.2% | 27 Aug, 2026 |
| 18 | Jane H Jelenko | Director | 1,593 | 0 | 1,593 | 0.1% | 17 Apr, 2026 |
| 19 | Felix S Fernandez | Director | 1,593 | 0 | 1,593 | 0.1% | 17 Apr, 2026 |
| 20 | Lana Lai-Yan Chan | Director | 265 | 0 | 265 | 0.0% | 17 Apr, 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 |
|---|---|---|---|---|---|---|---|---|
| 25 Aug, 2026 | Thomas M. Lo | Evp, Chief Admin Officer | Disposed S | 1,600 | $62.47 | $99.95K | 2,362 | Direct |
| 25 Aug, 2026 | Richard Sun | Director | Disposed S | 1,000 | $62.08 | $62.08K | 3,200 | Indirect |
| 10 Aug, 2026 | Richard Sun | Director | Disposed S | 3,000 | $63.09 | $189.27K | 2,800 | Indirect |
| 29 Jul, 2026 | Richard Sun | Director | Disposed S | 10,000 | $63.33 | $633.34K | 7,315 | Indirect |
| 29 Jul, 2026 | Richard Sun | Director | Disposed S | 10,000 | $63.29 | $632.90K | 11,340 | Indirect |
| 30 Jul, 2026 | Richard Sun | Director | Disposed S | 5,000 | $63.31 | $316.56K | 6,340 | Indirect |
| 31 Jul, 2026 | Richard Sun | Director | Disposed S | 5,000 | $62.43 | $312.13K | 2,315 | Indirect |
| 27 Jul, 2026 | Thomas M. Lo | Evp, Chief Admin Officer | Acquired M | 2,896 | $0.00 | $0 | 4,896 | Direct |
| 27 Jul, 2026 | May K. Chan | Svp, General Counsel | Acquired M | 1,448 | $0.00 | $0 | 4,158 | Direct |
| 27 Jul, 2026 | May K. Chan | Svp, General Counsel | Disposed F | 467 | $62.56 | $29.22K | 3,691 | Direct |
| 27 Jul, 2026 | Thomas M. Lo | Evp, Chief Admin Officer | Disposed F | 934 | $62.56 | $58.43K | 3,962 | Direct |
| 27 Jul, 2026 | May K. Chan | Svp, General Counsel | Disposed M | 1,448 | $0.00 | $0 | 0 | Direct |
| 27 Jul, 2026 | Thomas M. Lo | Evp, Chief Admin Officer | Disposed M | 2,896 | $0.00 | $0 | 0 | Direct |
| 26 Jun, 2026 | Albert Sun | Evp, Chief Credit Officer | Acquired A | 1,646 | — | — | 1,646 | Direct |
| 26 Jun, 2026 | Albert Jen-Wen Wang | Evp, Chief Financial Officer | Acquired A | 1,663 | — | — | 1,663 | Direct |
| 26 Jun, 2026 | May K. Chan | Svp, General Counsel | Acquired A | 886 | $0.00 | $0 | 886 | Direct |
| 26 Jun, 2026 | Chang Liu | President Ceo | Acquired A | 9,408 | — | — | 9,408 | Direct |
| 26 Jun, 2026 | Albert Sun | Evp, Chief Credit Officer | Acquired A | 1,646 | — | — | 1,646 | Direct |
| 26 Jun, 2026 | Albert Jen-Wen Wang | Evp, Chief Financial Officer | Acquired A | 1,663 | — | — | 1,663 | Direct |
| 26 Jun, 2026 | Chang Liu | President Ceo | Acquired A | 9,408 | — | — | 9,408 | Direct |