WATSON DAVID N 4

What Happened

• David N. Watson, a director of Amkor Technology, had previously granted RSUs vest on May 13, 2026. On that date he converted 9,893 vested RSUs into common stock (non‑cash conversion at $0.00 per share) and a fractional 0.0573 RSU was settled in cash. On the same date he received a new grant of 2,613 RSUs (awarded for service) that vest per the award terms.
• No cash purchase price was paid for the converted shares or the new RSU grant; the Form 4 shows $0.00 per share for these transactions.

Key Details

• Transaction date: May 13, 2026; Form 4 filed May 15, 2026 (timely filing).
• Conversions: 9,893 RSUs converted into common stock (resulting from a May 15, 2025 grant that vested); 0.0573 RSU cashed out as a dividend equivalent.
• New grant: 2,613 RSUs awarded on May 13, 2026; vest in full on earlier of one-year anniversary or the issuer's next annual meeting.
• Price: $0.00 per share shown (RSU vesting/conversion and award are non‑cash).
• Shares owned after the transaction: not specified in the provided filing excerpt.
• Footnotes: F1 explains the 2025 RSU grant, DEU treatment, and cash settlement of the fractional unit; F2 describes terms and vesting schedule of the 2026 RSU grant.

Context

• These transactions reflect RSU vesting/conversion and a new director RSU grant, not open‑market buying or selling. Conversions of RSUs into shares are common compensation events and do not necessarily indicate the insider’s view of the stock.