Chang Stephen Chunping — SEC Form 4 filings
SEC reporting owner CIK 1722000. 12 Form 4 filings on record with FilingPulse; latest filed 2026-09-11.
Transaction summary — filings shown
Covers all 12 filings on record, filed 2024-01-05 to 2026-09-11. 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): 4 legs across 2 filings — 20,478 shares, $691,435 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 19.
- Largest priced transaction: sale of 9,911 shares @ $34.90 ($345,894) in ALPHA & OMEGA SEMICONDUCTOR Ltd, filed 2026-04-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Chief Executive Officer, Director | 12 | — | 4 legs · 20,478 sh · $691,435 | 19 |
Form 4 filings — Chang Stephen Chunping
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 100,947 @ $0 | EDGAR |
| 2026-05-26 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 2,000 @ $0 | EDGAR |
| 2026-04-20 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Sale (S): 1,492 @ $32.90 · Sale (S): 3,481 @ $33.90 · Sale (S): 9,911 @ $34.90 | EDGAR |
| 2026-04-16 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Sale (S): 5,594 @ $31.90 | EDGAR |
| 2026-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | 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 |
| 2026-01-05 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Tax withholding (F): 12,002 @ $20.66 | EDGAR |
| 2025-09-10 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 2,100 @ $0 | EDGAR |
| 2025-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Grant/award (A): 67,500 @ $0 · Tax withholding (F): 19,996 @ $27.61 · Tax withholding (F): 11,013 @ $27.61 · Grant/award (A): 57,500 @ $0 | EDGAR |
| 2025-01-03 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Tax withholding (F): 11,224 @ $36.54 | EDGAR |
| 2024-11-08 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 2,000 @ $0 | EDGAR |
| 2024-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Grant/award (A): 57,500 @ $0 · Tax withholding (F): 13,940 @ $21.55 · Tax withholding (F): 6,080 @ $21.55 | EDGAR |
| 2024-01-05 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Grant/award (A): 90,000 @ $0 · Tax withholding (F): 8,208 @ $27.38 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-04 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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