X0508 4 2024-02-01 0 0000029002 DIODES INC /DEL/ DIOD 0001848176 Yu Gary 4949 HEDGCOXE ROAD SUITE 200 PLANO TX 75024 1 1 0 0 President 0 Diodes Incorporated Common Stock 2024-02-01 4 A 0 22000 0.00 A 61296 D Diodes Incorporated Common Stock 2024-02-01 4 F 0 649 67.69 D 60647 D Diodes Incorporated Common Stock - Performance Stock Units 2024-02-01 4 A 0 22000 0.00 A 52000 D Diodes Incorporated Common Stock 2024-02-02 4 S 0 2900 66.81 D 57747 D Restricted stock units vest in four equal installments beginning 02/01/2025. Granted under Rule 16b-3 Plan. Vested restricted stock unit shares were automatically withheld to cover income tax. Each PSU represents a contingent right granted under the companys 2022 Equity Incentive Plan, a Rule 16b-3 Plan, to receive 1 share of Diodes Incorporated Common Stock. The PSUs vest in February 2027 upon the achievement of the 3-year financial performance measure of cumulative non-GAAP operating income for 2024 through 2026 of $630 million (Target Performance). This number represents the target number of PSUs (Target Award) that will vest if the Target Performance is achieved. There is a threshold that provides for payment of 50% of the Target Award upon 80% achievement of the Target Performance and a maximum that provides for payment of 200% of the Target Award upon 120% achievement of the Target Performances. Between 80% and 100% and between 100% and 120% achievement of Target Performance, the Target Award will be decreased or increased on a pro rata basis, with no payout below 80% achievement and payout limited to 200% of the Target Award if the Target Performance exceeds 120%. Vested restricted stock unit shares were automatically sold because the participant elected to participate in the Diodes Incorporated Deferred Compensation Plan. Brett R. Whitmire as Power of Attorney for Gary Yu 2024-02-05