Diodes director granted 3,000 restricted stock units

Diodes Incorporated director Philip J. Ritter received an equity grant of 3,000 shares of common stock in the form of restricted stock units.

Rhea-AI Filing Summary

Diodes Incorporated director Philip J. Ritter received an equity grant of 3,000 shares of common stock in the form of restricted stock units. The award was granted at no cash cost to him and is classified as a grant, award, or other acquisition rather than an open-market purchase.

The restricted stock units vest in four equal installments beginning on May 26, 2027, meaning the ownership of the underlying shares is earned over time. Following this grant, Ritter directly holds 3,000 shares, reflecting a routine compensation-related equity award to a board member.

Insider Trade Summary

Grant/Award: 3,000 shares

Grant/Award 1 txn

Insider RITTER PHILIP J

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Diodes Incorporated Common Stock	3,000	$0.00	$0.00

Holdings After Transaction: Diodes Incorporated Common Stock — 3,000 shares (Direct)

Footnotes (2)

1. F1. Restricted stock units vest in four equal installments beginning 05/26/2027.
2. F2. Granted under Rule 16b-3 Plan.

Key Figures

Restricted stock unit grant: 3,000 shares Transaction price per share: $0.0000 Shares held after transaction: 3,000 shares +1 more

4 metrics

Restricted stock unit grant 3,000 shares Grant of Diodes Incorporated common stock to director Philip J. Ritter

Transaction price per share $0.0000 Non-cash grant of restricted stock units

Shares held after transaction 3,000 shares Direct ownership by Philip J. Ritter following the grant

Vesting start date May 26, 2027 Restricted stock units vest in four equal installments beginning on this date

Key Terms

Restricted stock units, Rule 16b-3 Plan, Form 4, Grant, award, or other acquisition

4 terms

Restricted stock units financial

"Restricted stock units vest in four equal installments beginning 05/26/2027."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 16b-3 Plan regulatory

"Granted under Rule 16b-3 Plan."

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Diodes (DIOD) director Philip J. Ritter report on this Form 4?

Philip J. Ritter reported receiving a grant of 3,000 Diodes Incorporated common shares as restricted stock units. The transaction is classified as a grant or award, not an open-market purchase, and brings his directly held total position shown in this filing to 3,000 shares.

How many Diodes (DIOD) shares were granted to Philip J. Ritter?

Philip J. Ritter was granted 3,000 shares of Diodes Incorporated common stock through restricted stock units. These units represent future share delivery subject to vesting conditions, rather than an immediate cash purchase of shares on the open market at a stated price.

When do Philip J. Ritter’s Diodes (DIOD) restricted stock units vest?

Ritter’s restricted stock units vest in four equal installments beginning on May 26, 2027. This structure means the 3,000-unit grant is earned gradually over time, aligning his equity compensation with continued service beyond the initial grant date.

Was cash paid for the 3,000 Diodes (DIOD) shares granted to Philip J. Ritter?

No cash was paid for this grant, as the transaction price per share is reported as 0.0000. The filing characterizes the event as a grant or award of restricted stock units, a standard non-cash form of director equity compensation under an incentive plan.

What is Philip J. Ritter’s direct Diodes (DIOD) share ownership after this grant?

After the 3,000-share grant, the filing shows Ritter directly holding 3,000 Diodes Incorporated shares. This total reflects the position reported in connection with this award and does not indicate any additional exercises, sales, or derivative positions in this Form 4.

Under what plan were Philip J. Ritter’s Diodes (DIOD) restricted stock units granted?

The restricted stock units were granted under a Rule 16b-3 plan. Such plans are structured to comply with specific SEC rules governing insider transactions, allowing equity-based compensation to directors or officers under pre-approved, board-administered arrangements.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/13/2026 - 03:45 PM EDT Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

RITTER PHILIP J

(Last) (First) (Middle)

4949 HEDGCOXE RD.

STE 200

(Street)

PLANO TEXAS 75024

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
DIODES INC /DEL/ [ DIOD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)	05/11/2026		A		3,000	A	$0(2)	3,000	D

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 05/26/2027.

2. Granted under Rule 16b-3 Plan.

	Brett R. Whitmire as Power of Attorney For Philip J. Ritter	05/13/2026
	** 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).
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 Number.
* Form 4: SEC 1474 (03-26)