Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Uang Du-Tsuen (CIK 2118034) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-09). Recent activity: Buy ASX (90,000 shares), Sell ASX (3,000 shares), Sell ASX (3,000 shares), Sell ASX (2,000 shares), Sell ASX (3,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-09 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Buy | 90,000 | $0 |
| 2026-07-24 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $2.0M |
| 2026-07-17 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $2.1M |
| 2026-07-08 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 2,000 | $1.4M |
| 2026-07-02 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $2.0M |
| 2026-07-02 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 2,000 | $1.4M |
| 2026-07-02 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $2.1M |
| 2026-06-23 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $1.8M |
| 2026-06-23 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 5,000 | $3.3M |
| 2026-06-23 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 3,000 | $2.1M |
| 2026-06-03 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 5,000 | $3.0M |
| 2026-06-03 | ASE Technology Holding Co., Ltd. (ASX) | Chief Administration Officer | Sell | 5,000 | $3.1M |
Source: SEC Form 4 filings · as of 2026-09-09