SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Whitmire Brett R (Last) (First) (Middle) 4949 HEDGCOXE ROAD SUITE 200 (Street) PLANO TX 75024 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 02/18/2019	3. Issuer Name and Ticker or Trading Symbol DIODES INC /DEL/ [ DIOD ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) CFO, Effective 3/1/2019	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Diodes Incorporated Common Stock	18,750(1)	D
Diodes Incorporated Common Stock - Performance Stock Units(2)	12,000(3)(4)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The amount of securities beneficially owned includes a Restricted Stock Unit award of 12,000 shares approved by the Board of Directors on 2/18/2019 and were granted on 2/21/2019 that will vest in four equal installments beginning 2/21/2020.

2. Each PSU represents a contingent right granted under the companys 2013 Equity Incentive Plan, a Rule 16b-3 Plan, to receive 1 share of Diodes Incorporated Common Stock.

3. The PSUs were granted on 2/21/2019 and vest in February 2022 upon the achievement of the 3-year financial performance measure of cumulative non-GAAP operating income for 2019 through 2021 of $568.7 million (Target Performance).

4. 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%.

Remarks:

	Brett R. Whitmire	02/26/2019
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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