SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Tang Francis (Last) (First) (Middle) 4949 HEDGCOXE ROAD SUITE 200 (Street) PLANO TX 75024 (City) (State) (Zip)	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 Discrete Products
	3. Date of Earliest Transaction (Month/Day/Year) 02/19/2020
	4. 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 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)	02/19/2020		A		15,300	A	$0.00(2)	97,067	D
Diodes Incorporated Common Stock	02/21/2020		F(3)		3,465	D	$47.34	93,602	D
Diodes Incorporated Common Stock - Performance Stock Units(4)	02/19/2020		A(5)		15,300(6)	A	$0.00	68,514	D
Diodes Incorporated Common Stock - Performance Stock Units	02/19/2020		F(7)		12,140	D	$49.49	56,374	D
Diodes Incorporated Common Stock - Performance Stock Units	02/19/2020		A(8)		18,214	A	$0.00	74,588	D
Diodes Incorporated Common Stock								2,600(9)	I	By Son

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. Restricted stock units vest in four equal installments beginning 02/19/2021.

2. Granted under Rule 16b-3 Plan.

3. Vested restricted stock unit shares were automatically withheld to cover income tax.

4. 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.

5. The PSUs vest in February 2023 upon the achievement of the 3-year financial performance measure of cumulative non-GAAP operating income for 2020 through 2022 of $390.6 million (Target Performance).

6. 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%.

7. These performance stock unit shares were automatically withheld to cover income tax on the vested 2017 performance award.

8. The Target Performance was achieved and the 2017 PSU Award vested at 200%.

9. These shares, which consist of restricted stock units, were granted to the reporting persons son, who shares the reporting persons household and is an employee of Diodes Incorporated. The reporting person disclaims beneficial ownership of the shares held by his son, and this report should not be deemed an admission that the reporting person is the beneficial owner of his sons shares for purposes of Section 16 or for any other purpose.

Remarks:

	Richard D. White as Power of Attorney for Francis Tang	02/21/2020
	** 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 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).
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