Diodes Incorporated (DIOD) CEO trims stake with 2,000-share sale

Rhea-AI Filing Summary

Diodes Incorporated President and CEO Gary Yu reported an open-market sale of 2,000 shares of Diodes Incorporated common stock at $70.00 per share on February 24, 2026. After this sale, he directly owned 109,671 common shares.

Yu also reported holdings of 76,000 performance stock units (PSUs). A footnote states that his beneficially owned amount decreased by 13,000 shares because the 2023 PSU Award had no settlement of shares, reflecting an adjustment to reported PSU-based ownership rather than a market transaction.

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

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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^*

Yu Gary

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		S		2,000	D	$70	109,671	D
Diodes Incorporated Common Stock - Performance Stock Units								76,000(1)	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. The amount of securities beneficially owned was decreased by 13,000 because the 2023 PSU Award had no settlement of shares.

	Brett R. Whitmire as Power of Attorney for Gary Yu	02/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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** 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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FAQ

What insider transaction did Diodes (DIOD) CEO Gary Yu report?

Gary Yu reported selling 2,000 shares of Diodes Incorporated common stock in an open-market transaction at $70.00 per share on February 24, 2026. This Form 4 filing records the sale and his updated ownership position in the company.

How many Diodes (DIOD) shares does Gary Yu own after the reported sale?

After the sale, Gary Yu directly owned 109,671 shares of Diodes Incorporated common stock. The filing also shows 76,000 performance stock units, which are separate from his directly held common shares and typically represent stock-based incentive awards.

At what price did Gary Yu sell Diodes (DIOD) shares in this Form 4?

Gary Yu sold 2,000 shares of Diodes Incorporated common stock at $70.00 per share. The transaction is classified as an open-market or private sale, reflecting a straightforward disposition of shares rather than an option exercise or other derivative event.

What does the footnote about the 2023 PSU Award mean for Diodes (DIOD) CEO ownership?

The footnote explains that Gary Yu’s beneficially owned securities decreased by 13,000 shares because the 2023 PSU Award had no settlement of shares. This change reflects an adjustment in performance stock unit outcomes, not an additional market sale of Diodes shares.

How many performance stock units does Diodes (DIOD) CEO Gary Yu hold?

Gary Yu reported holding 76,000 performance stock units tied to Diodes Incorporated common stock. These PSUs are stock-based awards whose settlement depends on performance conditions, separate from his 109,671 directly owned common shares after the reported sale.

Was Gary Yu’s overall insider activity in Diodes (DIOD) net buying or selling?

The activity was net selling, with 2,000 shares sold and no reported purchases. The filing’s transaction summary shows one sale totaling 2,000 shares and a net buy/sell direction classified as a net-sell for the reported period.