AOSL insider transaction filings
ALPHA & OMEGA SEMICONDUCTOR Ltd — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-11. Screen AOSL transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 6 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): 1 leg across 1 filing by 1 insider — 875 shares, $29,741 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 5.
- Largest priced transaction: sale of 875 shares @ $33.99 ($29,741) by Xue Bing, filed 2026-07-17.
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 |
|---|---|---|---|---|
| Xue Bing — EVP-WW Sales & Bus Development | 1 | — | 1 leg · 875 sh · $29,741 | — |
| Chang Mike F — Director, 10% owner | 3 | — | — | 3 |
| Chang Stephen Chunping — Chief Executive Officer, Director | 1 | — | — | 1 |
| Chien Joshua C. — Director | 1 | — | — | 1 |
Recent Form 4 filings — ALPHA & OMEGA SEMICONDUCTOR Ltd
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 100,947 @ $0 | EDGAR |
| 2026-09-11 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Gift (G): 100,947 @ $0 | EDGAR |
| 2026-08-14 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 3,000,000 @ $0 | EDGAR |
| 2026-07-21 | 4 | Chien Joshua C. — Director | Grant/award (A): 1,368 @ $0 | EDGAR |
| 2026-07-17 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 875 @ $33.99 | EDGAR |
| 2026-07-15 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 23,754 @ $0 | EDGAR |
| 2026-06-17 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 4,916 @ $47.09 | EDGAR |
| 2026-06-03 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 30,000 @ $0 | EDGAR |
| 2026-05-28 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 39,780 @ $0 | EDGAR |
| 2026-05-27 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 736,252 @ $0 | EDGAR |
| 2026-05-26 | 4 | Chen Claudia — Director | Sale (S): 3,844 @ $39.47 · Sale (S): 217 @ $40.54 | EDGAR |
| 2026-05-26 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Gift (G): 2,000 @ $0 | EDGAR |
| 2026-05-20 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 4,916 @ $41 | EDGAR |
| 2026-04-30 | 4 | Liang Yifan — CFO and Corp Secretary | Gift (G): 300 @ $0 · Gift (G): 300 @ $0 | EDGAR |
| 2026-04-20 | 4 | Liang Yifan — CFO and Corp Secretary | Sale (S): 8,625 @ $35.00 | EDGAR |
| 2026-04-20 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Sale (S): 1,492 @ $32.90 · Sale (S): 3,481 @ $33.90 · Sale (S): 9,911 @ $34.90 | EDGAR |
| 2026-04-20 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 1,832 @ $31.21 | EDGAR |
| 2026-04-16 | 4 | Liang Yifan — CFO and Corp Secretary | Sale (S): 7,391 @ $29 · Sale (S): 7,939 @ $30 · Sale (S): 11,187 @ $32.00 | EDGAR |
| 2026-04-16 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Sale (S): 5,594 @ $31.90 | EDGAR |
| 2026-03-25 | 4/A | Li Wenjun — Chief Operating Officer | Tax withholding (F): 3,319 @ $21.43 · Tax withholding (F): 2,288 @ $21.43 · Grant/award (A): 10,000 @ $0 | EDGAR |
| 2026-03-25 | 4/A | Chang Mike F — Director, 10% owner | Tax withholding (F): 14,419 @ $21.43 · Grant/award (A): 22,500 @ $0 | EDGAR |
| 2026-03-18 | 4 | Li Wenjun — Chief Operating Officer | Grant/award (A): 10,000 @ $0 · Tax withholding (F): 3,272 @ $21.43 · Tax withholding (F): 2,267 @ $21.43 · Grant/award (A): 10,000 @ $0 | EDGAR |
| 2026-03-18 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Grant/award (A): 67,500 @ $0 · Tax withholding (F): 25,644 @ $21.43 · Tax withholding (F): 17,839 @ $21.43 · Grant/award (A): 67,500 @ $0 | EDGAR |
| 2026-03-18 | 4 | Liang Yifan — CFO and Corp Secretary | Grant/award (A): 22,500 @ $0 · Tax withholding (F): 6,889 @ $21.43 · Tax withholding (F): 4,610 @ $21.43 · Grant/award (A): 22,500 @ $0 | EDGAR |
| 2026-03-18 | 4 | Chang Mike F — Director, 10% owner | Grant/award (A): 22,500 @ $0 · Tax withholding (F): 17,984 @ $21.43 · Tax withholding (F): 9,829 @ $21.43 · Grant/award (A): 22,500 @ $0 | EDGAR |
| 2026-03-18 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 2,408 @ $21.92 · Grant/award (A): 15,000 @ $0 · Tax withholding (F): 5,598 @ $21.43 · Tax withholding (F): 3,584 @ $21.43 · Grant/award (A): 15,000 @ $0 | EDGAR |
| 2026-03-10 | 4 | Chang Mike F — Director, 10% owner | Purchase (P): 33,727 @ $19 | EDGAR |
| 2026-02-18 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 2,460 @ $22.33 | EDGAR |
| 2026-01-16 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 737 @ $22.43 | EDGAR |
| 2026-01-05 | 4 | Li Wenjun — Chief Operating Officer | Tax withholding (F): 3,157 @ $20.66 | EDGAR |
| 2026-01-05 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Tax withholding (F): 8,627 @ $20.66 | EDGAR |
| 2026-01-05 | 4 | Liang Yifan — CFO and Corp Secretary | Tax withholding (F): 8,627 @ $20.66 | EDGAR |
| 2026-01-05 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Tax withholding (F): 12,002 @ $20.66 | EDGAR |
| 2026-01-05 | 4 | Chang Mike F — Director, 10% owner | Tax withholding (F): 16,700 @ $20.66 | EDGAR |
| 2025-12-16 | 4 | Liang Yifan — CFO and Corp Secretary | Gift (G): 500 @ $0 | EDGAR |
| 2025-12-16 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 1,845 @ $20.56 | EDGAR |
| 2025-11-17 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 1,845 @ $18.16 | EDGAR |
| 2025-11-12 | 4 | Li Hanqing — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | Jeong So-Yeon — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | Pfeiffer Michael L — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | Chang Lucas S. — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | Chen Claudia — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | OWYANG KING — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-11-12 | 4 | SALAMEH MICHAEL J — Director | Grant/award (A): 5,681 @ $0 | EDGAR |
| 2025-10-21 | 4 | Chang Mike F — Director, 10% owner | Gift (G): 40,000 @ $0 | EDGAR |
| 2025-10-21 | 4 | Liang Yifan — CFO and Corp Secretary | Gift (G): 300 @ $0 | EDGAR |
| 2025-09-10 | 4 | Chang Stephen Chunping — Chief Executive Officer, Director | Gift (G): 2,100 @ $0 | EDGAR |
| 2025-09-02 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Tax withholding (F): 508 @ $26.50 | EDGAR |
| 2025-05-13 | 4 | Xue Bing — EVP-WW Sales & Bus Development | Sale (S): 1,845 @ $23.73 | EDGAR |
| 2025-03-18 | 4 | Chang Mike F — Chairman of Board, Director, 10% owner | Grant/award (A): 22,500 @ $0 · Tax withholding (F): 27,296 @ $27.61 · Tax withholding (F): 20,527 @ $27.61 · Grant/award (A): 37,500 @ $0 | EDGAR |
Recent 8-K events — ALPHA & OMEGA SEMICONDUCTOR Ltd
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-12 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-12 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-17 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-09 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-02-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-17 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-11-05 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-06 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
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