Diodes director granted 3,000 restricted stock units

Bull Elizabeth reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Bull Elizabeth reported acquisition or exercise transactions in this Form 4 filing.

Diodes Incorporated director Elizabeth Bull received a grant of 3,000 shares of Diodes Incorporated Common Stock as restricted stock units at no purchase price. These units vest in four equal installments beginning on May 26, 2027. After this award, she directly holds 12,000 shares.

Insider Trade Summary

Grant/Award: 3,000 shares

Grant/Award 1 txn

Insider Bull Elizabeth

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 — 12,000 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 units granted: 3,000 shares Grant price per share: $0.0000 per share Shares held after transaction: 12,000 shares +1 more

4 metrics

Restricted stock units granted 3,000 shares Non-derivative equity award to director on May 11, 2026

Grant price per share $0.0000 per share Indicates non-cash compensation award

Shares held after transaction 12,000 shares Total direct holdings following the grant

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

Key Terms

Restricted stock units, Rule 16b-3 Plan, Diodes Incorporated Common Stock, 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."

Diodes Incorporated Common Stock financial

"security_title: Diodes Incorporated Common Stock"

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 insider transaction did Diodes (DIOD) disclose for Elizabeth Bull?

Diodes disclosed that director Elizabeth Bull received 3,000 restricted stock units of common stock as a grant. The award was reported as a non-cash acquisition under code A, reflecting compensation rather than an open-market share purchase or sale.

How many Diodes (DIOD) shares does Elizabeth Bull hold after this grant?

After the reported grant, Elizabeth Bull holds 12,000 shares of Diodes Incorporated Common Stock directly. This total includes the 3,000 restricted stock units awarded in the latest transaction, as reflected in the Form 4 ownership line following the acquisition.

At what price were Elizabeth Bull’s Diodes (DIOD) restricted stock units granted?

The 3,000 restricted stock units were granted at a price of $0.0000 per share, indicating they were an equity compensation award. This means Bull did not pay cash for the shares; they were issued as part of a company compensation plan.

When will Elizabeth Bull’s Diodes (DIOD) restricted stock units vest?

The restricted stock units vest in four equal installments beginning May 26, 2027. This means portions of the 3,000-unit award will become fully owned over time, subject to the vesting schedule and any continued service or other plan conditions.

Under what plan were the Diodes (DIOD) restricted stock units granted to Elizabeth Bull?

The award was granted under a Rule 16b-3 Plan, as noted in the footnotes. Such plans are structured to comply with SEC Rule 16b-3, which governs how insiders receive equity compensation while addressing short-swing profit rules.

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

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Accepted by SEC EDGAR 05/13/2026 - 03:50 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^*

Bull Elizabeth

(Last) (First) (Middle)

4949 HEDGCOXE ROAD

(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)	12,000	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 Elizabeth Bull	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)