Chang Mike F — SEC Form 4 filings
SEC reporting owner CIK 1511393. 19 Form 4 filings on record with FilingPulse; latest filed 2026-09-11.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-01-30 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): 1 leg across 1 filing — 33,727 shares, $640,813 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 1 leg across 1 filing — 30,000 shares, $807,384 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 28.
- Largest priced transaction: sale of 30,000 shares @ $26.91 ($807,384) in ALPHA & OMEGA SEMICONDUCTOR Ltd, filed 2024-01-30.
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) | Director, 10% owner | 19 | 1 leg · 33,727 sh · $640,813 | 1 leg · 30,000 sh · $807,384 | 28 |
Form 4 filings — Chang Mike F
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 100,947 @ $0 | EDGAR |
| 2026-08-14 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 3,000,000 @ $0 | EDGAR |
| 2026-07-15 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 23,754 @ $0 | EDGAR |
| 2026-06-03 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 30,000 @ $0 | EDGAR |
| 2026-05-28 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 39,780 @ $0 | EDGAR |
| 2026-05-27 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 736,252 @ $0 | EDGAR |
| 2026-03-25 | 4/A | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Tax withholding (F): 14,419 @ $21.43 · Grant/award (A): 22,500 @ $0 | EDGAR |
| 2026-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | 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 |
| 2026-03-10 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Purchase (P): 33,727 @ $19 | EDGAR |
| 2026-01-05 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Tax withholding (F): 16,700 @ $20.66 | EDGAR |
| 2025-10-21 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 40,000 @ $0 | EDGAR |
| 2025-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | 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 |
| 2025-01-03 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Tax withholding (F): 22,446 @ $36.54 | EDGAR |
| 2024-12-04 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 30,000 @ $0 | EDGAR |
| 2024-08-29 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 10,000 @ $0 | EDGAR |
| 2024-05-20 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 30,000 @ $0 | EDGAR |
| 2024-03-18 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Grant/award (A): 37,500 @ $0 · Tax withholding (F): 30,803 @ $21.55 · Tax withholding (F): 24,167 @ $21.55 | EDGAR |
| 2024-02-09 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Gift (G): 10,000 @ $0 | EDGAR |
| 2024-01-30 | 4 | ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) | Option exercise (M): 30,000 @ $7.44 · Sale (S): 30,000 @ $26.91 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 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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