Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Whitmire Brett R

2. Date of Event Requiring Statement (MM/DD/YYYY) 2/18/2019

3. Issuer Name and Ticker or Trading Symbol

DIODES INC /DEL/ [DIOD]

(Last) (First) (Middle)

4949 HEDGCOXE ROAD, SUITE 200

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 /

(Street)

PLANO, TX 75024

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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	18750 ⁽¹⁾	D
Diodes Incorporated Common Stock - Performance Stock Units ⁽²⁾	12000 ⁽³⁾ ⁽⁴⁾	D

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

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%.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Whitmire Brett R 4949 HEDGCOXE ROAD SUITE 200 PLANO, TX 75024			CFO, Effective 3/1/2019

Signatures
Brett R. Whitmire		2/26/2019
^** 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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.