ASX insider transaction filings
ASE Technology Holding Co., Ltd. — 31 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-09. Screen ASX transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 19 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 6 legs across 4 filings by 1 insider — 16,000 shares, $10,926,000 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 26.
- Largest priced transaction: sale of 3,000 shares @ $709.00 ($2,127,000) by Uang Du-Tsuen, filed 2026-07-02.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Uang Du-Tsuen — Chief Administration Officer | 5 | — | 6 legs · 16,000 sh · $10,926,000 | 1 |
| Chung Chih-Hsiao — GM, ASE Japan & Wuxi Tongzhi | 2 | — | — | 5 |
| Lin Chung — GM, ASE Shanghai & Electronics | 2 | — | — | 5 |
| Chang Hung Pen — Director | 1 | — | — | 4 |
| Chen Jeffrey — Director | 1 | — | — | 3 |
| Chen Tien-Szu — GM, ASE Inc. Chung-Li Branch | 1 | — | — | 1 |
| Hsiang Kenneth — CEO, ISE Labs | 1 | — | — | 1 |
| Kuo Hung-Ming — Principal Accounting Officer | 1 | — | — | 1 |
| Lo Raymond — GM TW & Kaohsiung Pkg Facility | 1 | — | — | 1 |
| Tang Andrew R — Director | 1 | — | — | 1 |
+3 more insiders in the window, not shown — every filing appears in the table below.
Recent Form 4 filings — ASE Technology Holding Co., Ltd.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-09 | 4 | Tsai Chi-Wen — Chairman & President, SPIL | Grant/award (A): 334,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Hsiang Kenneth — CEO, ISE Labs | Grant/award (A): 40,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Chung Chih-Hsiao — GM, ASE Japan & Wuxi Tongzhi | Grant/award (A): 30,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Lin Chung — GM, ASE Shanghai & Electronics | Grant/award (A): 30,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Lo Raymond — GM TW & Kaohsiung Pkg Facility | Grant/award (A): 400,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Uang Du-Tsuen — Chief Administration Officer | Grant/award (A): 90,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Kuo Hung-Ming — Principal Accounting Officer | Grant/award (A): 50,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Tung Hung-Szu — Chief Financial Officer | Grant/award (A): 400,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Chen Tien-Szu — GM, ASE Inc. Chung-Li Branch | Grant/award (A): 300,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Tang Andrew R — Director | Grant/award (A): 85,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Chen Jeffrey — Director | Grant/award (A): 300,000 @ $0 · Gift (G): 600,000 @ $0 · Gift (G): 600,000 @ $0 | EDGAR |
| 2026-09-09 | 4 | Wu Tien-Yue — Director | Grant/award (A): 600,000 @ $0 | EDGAR |
| 2026-08-19 | 4 | Chung Chih-Hsiao — GM, ASE Japan & Wuxi Tongzhi | Option exercise (M): 292,000 @ $41.10 · Option exercise (M): 73,000 @ $41.10 · Option exercise (M): 292,000 (derivative) @ $0 · Option exercise (M): 73,000 (derivative) @ $0 | EDGAR |
| 2026-07-31 | 4 | Lin Chung — GM, ASE Shanghai & Electronics | Option exercise (M): 25,000 @ $41.10 · Option exercise (M): 10,000 @ $98.60 · Option exercise (M): 25,000 (derivative) @ $0 · Option exercise (M): 10,000 (derivative) @ $0 | EDGAR |
| 2026-07-24 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 3,000 @ $665 | EDGAR |
| 2026-07-17 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 3,000 @ $688 | EDGAR |
| 2026-07-15 | 4 | Chang Hung Pen — Director | Option exercise (M): 3,000,000 @ $41.10 · Option exercise (M): 1,500,000 @ $98.60 · Option exercise (M): 3,000,000 (derivative) @ $0 · Option exercise (M): 1,500,000 (derivative) @ $0 | EDGAR |
| 2026-07-08 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 2,000 @ $687 | EDGAR |
| 2026-07-02 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 3,000 @ $664 · Sale (S): 2,000 @ $687 · Sale (S): 3,000 @ $709 | EDGAR |
| 2026-06-23 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 3,000 @ $611 · Sale (S): 5,000 @ $667 · Sale (S): 3,000 @ $697 | EDGAR |
| 2026-06-03 | 4 | Uang Du-Tsuen — Chief Administration Officer | Sale (S): 5,000 @ $607 · Sale (S): 5,000 @ $617 | EDGAR |
| 2026-05-27 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $538 · Sale (S): 9,000 @ $590 · Sale (S): 9,000 @ $630 · Sale (S): 2,000 @ $653 | EDGAR |
| 2026-05-21 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $483 · Sale (S): 9,000 @ $477 · Sale (S): 9,000 @ $505 | EDGAR |
| 2026-05-18 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $560 · Sale (S): 9,000 @ $563 · Sale (S): 9,000 @ $506 | EDGAR |
| 2026-04-28 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $473 | EDGAR |
| 2026-04-23 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $463.50 · Sale (S): 9,000 @ $466.50 · Sale (S): 9,000 @ $487.67 | EDGAR |
| 2026-04-22 | 4 | Chen Tien-Szu — GM, ASE Inc. Chung-Li Branch | Sale (S): 328,000 @ $465.11 · Sale (S): 72,000 @ $466 · Sale (S): 50,000 @ $467 · Sale (S): 80,000 @ $471 | EDGAR |
| 2026-04-20 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $446 · Sale (S): 9,000 @ $454 · Sale (S): 9,000 @ $461.50 | EDGAR |
| 2026-04-15 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $408.33 · Sale (S): 9,000 @ $427 · Sale (S): 9,000 @ $432 | EDGAR |
| 2026-04-13 | 4 | Chang Chien Shen — Director | Option exercise (M): 3,000,000 @ $41.10 · Option exercise (M): 1,500,000 @ $99.70 · Option exercise (M): 3,000,000 (derivative) @ $0 · Option exercise (M): 1,500,000 (derivative) @ $0 | EDGAR |
| 2026-04-10 | 4 | Chen Jeffrey — Director | Sale (S): 9,000 @ $380.50 · Sale (S): 9,000 @ $388 · Sale (S): 9,000 @ $387 | EDGAR |
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