Chang Stephen Chunping 4

What Happened

• Stephen Chunping Chang, CEO of Alpha & Omega Semiconductor (AOSL), sold 5,594 common shares on April 14, 2026 at $31.90 per share, generating proceeds of $178,449. The sale was reported on a Form 4 filed April 16, 2026. This was a sale (not a purchase) and was executed under a pre-established trading plan.

Key Details

• Transaction date and price: April 14, 2026 — 5,594 shares sold at $31.90 each (total $178,449).
• Method: Open-market sale effected pursuant to a Rule 10b5-1 trading plan adopted September 8, 2025 (Footnote F1).
• Price note: Column 4 on the filing reports the exact sale price for all shares (Footnote F2).
• Post-transaction holdings: Not specified in the summary data provided here — see the full Form 4 for the Reporting Person’s holdings after the sale.
• Unvested awards mentioned in the filing: 22,500 MSUs (granted July 1, 2018); 79,375 PSUs (granted March 15, 2024 & March 17, 2025); and an aggregate 161,250 RSUs (granted across 2023–2026). The filing also excludes 67,500 unvested PSU shares granted March 16, 2026 that may vest on future performance (Footnotes F3–F5).
• Timeliness: Form 4 filed April 16, 2026 — within the normal two-business-day window for reporting insider trades.

Context

• The sale was carried out under a Rule 10b5-1 plan, which generally means it was a pre-scheduled sale rather than a discretionary one; such plans are commonly used by insiders to avoid potential appearance of trading on material nonpublic information.
• Sales do not necessarily indicate a negative view of the company; they can reflect diversification, taxes, or planned liquidity needs. For full ownership and award details, consult the complete Form 4 filing (Accession No. 0001628280-26-025500).