SEC Form 4
Cathay General Bancorp (CATY) insider trading
In the 12 months to Oct 24, 2026, 8 CATY insiders reported open-market sales of $8.3M across 17 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $8.3M
- 17 filings · 8 insiders
- Open-market purchases
- $0
- 0 filings
- Pre-arranged sales (10b5-1)
- 2 of 17
- $482.3K of $8.3M sold (6%)
Who traded CATY, and when
- Sale
- Sale, pre-arranged (10b5-1)
CATY daily close from Oct 24, 2025 to Oct 23, 2026, between $45.17 and $64.93, last $64.30. 17 sale and 0 purchase filings by 8 insiders, marked at their filing dates. Anthony M. Tang, Vice Chairman: sold $2.3M across 3 filings, first filed Dec 4, 2025, last Jun 10, 2026. Richard Sun, Director: sold $2.2M across 4 filings, first filed Jul 31, 2026, last Sep 3, 2026. Dunson K. Cheng, Executive Chairman: sold $1.5M across 2 filings, first filed Nov 21, 2025, last Nov 26, 2025. Peter Wu, Vice Chairman: sold $1.1M across 1 filing, first filed May 7, 2026, last May 7, 2026. Chang Liu, President & CEO: sold $482.3K across 2 filings, first filed Oct 30, 2025, last Apr 7, 2026. Felix S. Fernandez, Director: sold $453.4K across 1 filing, first filed Feb 10, 2026, last Feb 10, 2026. 2 others: sold $228.3K across 4 filings, first filed Oct 29, 2025, last Aug 27, 2026.
Largest mark · tap a row for others
Richard Sun · Director
Sale $1,894,927
30,000 shares at $63.16 avg
Filed Jul 31, 2026 · traded Jul 29
Close on filing date $63.19
Anthony M. Tang · Vice Chairman
Vice Chairman
$2.3M soldRichard Sun · Director
Director
$2.2M soldDunson K. Cheng · Executive Chairman
Executive Chairman
$1.5M soldPeter Wu · Vice Chairman
Vice Chairman
$1.1M soldChang Liu · President & CEO
President & CEO
$482.3K soldFelix S. Fernandez · Director
Director
$453.4K sold2 others
Combined, one mark per week
$228.3K soldHas Cathay General Bancorp's CEO sold stock?
Yes. Chang Liu (CEO) sold 10,001 shares ($482.3K) between Oct 2025 and Apr 2026, all under a pre-arranged 10b5-1 plan.
Open-market trades
17 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Anthony M. Tang | Vice Chairman | $2.3M | — | 3 | — | |
| Richard Sun | Director | $2.2M | — | 4 | — | |
| Dunson K. Cheng | Executive Chairman | $1.5M | — | 2 | — | |
| Peter Wu | Vice Chairman | $1.1M | — | 1 | — | |
| Chang Liu | President & CEO | $482.3K | — | 2 | 100% of sales | |
| Felix S. Fernandez | Director | $453.4K | — | 1 | — | |
| Thomas M. Lo | EVP, Chief Admin Officer | $197.0K | — | 3 | — | |
| May K. Chan | SVP, General Counsel | $31.3K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Richard Sun Director | Sale | 1,000 | $62.32 | $62.3K | 2,200 | |
traded | Richard Sun Director | Sale | 1,000 | $62.08 | $62.1K | 3,200 | |
traded | Thomas M. Lo EVP, Chief Admin Officer | Sale | 1,600 | $62.47 | $100.0K | 2,362 | |
traded | Richard Sun Director | Sale | 3,000 | $63.09 | $189.3K | 2,800 | |
traded | Richard Sun Director | Sale | 30,000 | $63.16 | $1.9M | Multiple accounts | |
traded | Anthony M. Tang Vice Chairman | Sale | 5,000 | $59.92 | $299.6K | 147,876 | |
traded | Anthony M. Tang Vice Chairman | Sale | 25,000 | $58.50 | $1.5M | 152,876 | |
traded | Peter Wu Vice Chairman | Sale | 20,000 | $57.33 | $1.1M | 275,252 | |
traded | May K. Chan SVP, General Counsel | Sale | 558 | $56.00 | $31.3K | 2,693 | |
traded | Chang Liu President & CEO | SalePre-arranged (10b5-1) | 4,836 | $50.35 | $243.5K | 127,819 | |
traded | Felix S. Fernandez Director | Sale | 8,972 | $50.54 | $453.4K | 14,960 | |
traded | Thomas M. Lo EVP, Chief Admin Officer | Sale | 1,000 | $50.23 | $50.2K | 2,000 | |
traded | Anthony M. Tang Vice Chairman | Sale | 10,000 | $49.44 | $494.4K | 176,283 | |
traded | Dunson K. Cheng Executive Chairman | Sale | 7,590 | $47.81 | $362.8K | 138,360 | |
traded | Dunson K. Cheng Executive Chairman | Sale | 25,000 | $46.87 | $1.2M | 145,950 | |
traded | Chang Liu President & CEO | SalePre-arranged (10b5-1) | 5,165 | $46.24 | $238.8K | 108,478 | |
traded | Thomas M. Lo EVP, Chief Admin Officer | Sale | 1,000 | $46.83 | $46.8K | 3,000 |
GET /stocks/filings/vX/form-4?tickers=CATY&filing_date.gte=2025-10-24&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"CATY"
],
"issuer_cik": "0000861842",
"owner_cik": "0001706290",
"accession_number": "0001437749-26-029633",
"form_type": "4",
"filing_date": "2026-09-03",
"period_of_report": "2026-09-02",
"issuer_name": "CATHAY GENERAL BANCORP",
"issuer_trading_symbol": "CATY",
"owner_name": "Sun Richard",
"is_director": true,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-09-02",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1000,
"transaction_price_per_share": 62.315,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 2200,
"transaction_value": 62315,
"direct_or_indirect": "I",
"nature_of_ownership": "By Ivy Sun\nSeparate Trust"
},
{
"tickers": [
"CATY"
],
"issuer_cik": "0000861842",
"owner_cik": "0001706290",
"accession_number": "0001437749-26-029119",
"form_type": "4",
"filing_date": "2026-08-27",
"period_of_report": "2026-08-25",
"issuer_name": "CATHAY GENERAL BANCORP",
"issuer_trading_symbol": "CATY",
"owner_name": "Sun Richard",
"is_director": true,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-25",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 1000,
"transaction_price_per_share": 62.0833,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 3200,
"transaction_value": 62083.3,
"direct_or_indirect": "I",
"nature_of_ownership": "By Ivy Sun\nSeparate Trust"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 31 records
- Option exercises10 records
- Tax withholding10 records
- Grants and awards11 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for CATY every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Pre-arranged (10b5-1)
- The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.