ASE Technology Holding Co., Ltd.
ASXFigures shown here come from public SEC filings. Dates beside each section show the available history.
How ASE Technology Holding Co., Ltd. Makes Money
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Source: ASE Technology Holding Co., Ltd. — 20-F filed Apr 1, 2026
Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 11 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 23, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among ASE Technology Holding Co., Ltd.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-04-20 · Chen Tien-Szu: Larger than 30 of the 31 other insider sales of Ordinary Shares on file. SEC filing
- 2026-04-20 · Chen Tien-Szu: Larger than all 31 other insider sales of Ordinary Shares on file. SEC filing
- 2026-04-20 · Chen Tien-Szu: Larger than 28 of the 31 other insider sales of Ordinary Shares on file. SEC filing
- 2026-04-20 · Chen Tien-Szu: Larger than 29 of the 31 other insider sales of Ordinary Shares on file. SEC filing
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-06-23 | Uang Du-Tsuen · Chief Administration Officer | Ordinary Shares | S — Open market or private sale | −3,000 | 697.00 | SEC filing |
| 2026-06-22 | Uang Du-Tsuen · Chief Administration Officer | Ordinary Shares | S — Open market or private sale | −5,000 | 667.00 | SEC filing |
| 2026-06-18 | Uang Du-Tsuen · Chief Administration Officer | Ordinary Shares | S — Open market or private sale | −3,000 | 611.00 | SEC filing |
| 2026-06-03 | Uang Du-Tsuen · Chief Administration Officer | Ordinary Shares | S — Open market or private sale | −5,000 | 617.00 | SEC filing |
| 2026-06-01 | Uang Du-Tsuen · Chief Administration Officer | Ordinary Shares | S — Open market or private sale | −5,000 | 607.00 | SEC filing |
| 2026-05-27 | Chen Jeffrey · Director | Ordinary Shares | S — Open market or private sale | −2,000 | 653.00 | SEC filing |
| 2026-05-26 | Chen Jeffrey · Director | Ordinary Shares | S — Open market or private sale | −9,000 | 630.00 | SEC filing |
| 2026-05-25 | Chen Jeffrey · Director | Ordinary Shares | S — Open market or private sale | −9,000 | 590.00 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-04-09 | Chang Chien Shen · Director | Stock Option (Right to Buy) | M — Exercise or conversion of derivative security | −1,500,000 | SEC filing |
| 2026-04-09 | Chang Chien Shen · Director | Ordinary Shares | M — Exercise or conversion of derivative security | +3,000,000 | SEC filing |
| 2026-04-09 | Chang Chien Shen · Director | Stock Option (Right to Buy) | M — Exercise or conversion of derivative security | −3,000,000 | SEC filing |
| 2026-04-09 | Chang Chien Shen · Director | Ordinary Shares | M — Exercise or conversion of derivative security | +1,500,000 | SEC filing |
Showing 4 of 4 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.