ASE Technology Holding Co., Ltd. (ASX) insider trading.
In Q3 2026, insiders at ASE Technology Holding Co., Ltd. reported 27 non-derivative transactions on 21 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $10.9M.
- Transactions
- 27
- Purchases (P)
- 0
- Sales (S)
- 6
- Net shares, P minus S
- -16,000
- Insiders
- 13
- Last filed
- 2026-09-24
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Uang Du-Tsuen | Officer · Chief Administration Officer | 7 | 0 | 6 |
| Chang Hung Pen | Director | 3 | 0 | 0 |
| Chen Jeffrey | Director | 3 | 0 | 0 |
| Lin Chung | Officer · GM, ASE Shanghai & Electronics | 3 | 0 | 0 |
| Chung Chih-Hsiao | Officer · GM, ASE Japan & Wuxi Tongzhi | 3 | 0 | 0 |
| Wu Tien-Yue | Director | 1 | 0 | 0 |
| Chen Tien-Szu | Officer · GM, ASE Inc. Chung-Li Branch | 1 | 0 | 0 |
| Tang Andrew R | Director | 1 | 0 | 0 |
| Tung Hung-Szu | Officer · Chief Financial Officer | 1 | 0 | 0 |
| Kuo Hung-Ming | Officer · Principal Accounting Officer | 1 | 0 | 0 |
| Lo Raymond | Officer · GM TW & Kaohsiung Pkg Facility | 1 | 0 | 0 |
| Hsiang Kenneth | Officer · CEO, ISE Labs | 1 | 0 | 0 |
| Tsai Chi-Wen | Officer · Chairman & President, SPIL | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-22 | Chang Hung Pen | M (A) | 300,000 | $98.6 | 4,800,000 | Form 4 |
| 2026-09-07 | Chen Jeffrey | G (A) | 600,000 | $0 | 600,000 | Form 4 |
| 2026-09-07 | Chen Jeffrey | A (A) | 300,000 | $0 | 2,683,000 | Form 4 |
| 2026-09-07 | Chen Jeffrey | G (D) | 600,000 | $0 | 2,083,000 | Form 4 |
| 2026-09-07 | Wu Tien-Yue | A (A) | 600,000 | $0 | 8,277,473 | Form 4 |
| 2026-09-07 | Chen Tien-Szu | A (A) | 300,000 | $0 | 2,551,821 | Form 4 |
| 2026-09-07 | Tang Andrew R | A (A) | 85,000 | $0 | 310,000 | Form 4 |
| 2026-09-07 | Tung Hung-Szu | A (A) | 400,000 | $0 | 4,202,954 | Form 4 |
| 2026-09-07 | Uang Du-Tsuen | A (A) | 90,000 | $0 | 841,000 | Form 4 |
| 2026-09-07 | Kuo Hung-Ming | A (A) | 50,000 | $0 | 985,500 | Form 4 |
| 2026-09-07 | Lo Raymond | A (A) | 400,000 | $0 | 4,383,430 | Form 4 |
| 2026-09-07 | Lin Chung | A (A) | 30,000 | $0 | 170,278 | Form 4 |
| 2026-09-07 | Hsiang Kenneth | A (A) | 40,000 | $0 | 109,000 | Form 4 |
| 2026-09-07 | Chung Chih-Hsiao | A (A) | 30,000 | $0 | 425,000 | Form 4 |
| 2026-09-07 | Tsai Chi-Wen | A (A) | 334,000 | $0 | 15,598,000 | Form 4 |
| 2026-08-13 | Chung Chih-Hsiao | M (A) | 73,000 | $41.1 | 395,000 | Form 4 |
| 2026-08-12 | Chung Chih-Hsiao | M (A) | 292,000 | $41.1 | 322,000 | Form 4 |
| 2026-07-29 | Lin Chung | M (A) | 10,000 | $98.6 | 140,278 | Form 4 |
| 2026-07-29 | Lin Chung | M (A) | 25,000 | $41.1 | 130,278 | Form 4 |
| 2026-07-22 | Uang Du-Tsuen | S (D) | 3,000 | $665 | 751,000 | Form 4 |
| 2026-07-15 | Uang Du-Tsuen | S (D) | 3,000 | $688 | 754,000 | Form 4 |
| 2026-07-13 | Chang Hung Pen | M (A) | 1,500,000 | $98.6 | 4,500,000 | Form 4 |
| 2026-07-13 | Chang Hung Pen | M (A) | 3,000,000 | $41.1 | 3,000,000 | Form 4 |
| 2026-07-06 | Uang Du-Tsuen | S (D) | 2,000 | $687 | 757,000 | Form 4 |
| 2026-07-01 | Uang Du-Tsuen | S (D) | 3,000 | $709 | 759,000 | Form 4 |
| 2026-06-30 | Uang Du-Tsuen | S (D) | 3,000 | $664 | 764,000 | Form 4 |
| 2026-06-30 | Uang Du-Tsuen | S (D) | 2,000 | $687 | 762,000 | Form 4 |
Transaction codes in this quarter
Get ASX insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1122411&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · ASX company page · ASE Technology Holding Co., Ltd. on SEC.gov
Questions
Are insiders buying or selling ASE Technology Holding Co., Ltd. (ASX)?
In Q3 2026, insiders at ASE Technology Holding Co., Ltd. reported 27 non-derivative transactions on 21 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $10.9M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these ASE Technology Holding Co., Ltd. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/asx.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.