Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Yu Evan
  2. Issuer Name and Ticker or Trading Symbol
DIODES INC /DEL/ [DIOD]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
VP Worldwide Analog Products
(Last)
(First)
(Middle)
4949 HEDGCOXE ROAD, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
02/21/2019
(Street)

PLANO, TX 75024
4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Diodes Incorporated Common Stock (1) 02/21/2019   A   13,000 A $ 0 (2) 49,045 D  
Diodes Incorporated Common Stock - Performance Stock Units (3) 02/21/2019   A(4)(5)   13,000 A $ 0 23,000 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Yu Evan
4949 HEDGCOXE ROAD
SUITE 200
PLANO, TX 75024
      VP Worldwide Analog Products  

Signatures

 Richard D. White as Power of Attorney for Yu-Shu Evan Yu   02/25/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) Restricted stock units vest in four equal installments beginning 02/21/2020.
(2) Granted under Rule 16b-3 Plan.
(3) 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.
(4) The PSUs 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).
(5) 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%.

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