Diodes SVP Emily Yang sells 5,000 shares

Diodes Incorporated senior vice president Emily Yang reported open-market sales of 5,000 common shares.

Rhea-AI Filing Summary

Diodes Incorporated senior vice president Emily Yang reported open-market sales of 5,000 common shares. She sold 2,000 shares at about $107.52 on May 26 and 3,000 shares at about $110.08 on May 27. After these sales, she holds 61,878 shares directly, plus 1,576 shares held custodially and 584 shares held through the Oner Family Revocable Trust.

Insights

Equity ownership analyst

SVP executes modest open-market share sales while retaining a sizable stake.

Emily Yang, SVP of Worldwide Sales/Marketing at Diodes Incorporated, conducted two open-market sales totaling 5,000 common shares at prices around $107.52 and $110.08. These are straightforward discretionary disposals with no associated option exercises or derivative activity disclosed.

Following the sales, she directly owns 61,878 shares, alongside indirect interests of 1,576 custodial shares and 584 shares in the Oner Family Revocable Trust. The transactions reduce her position by a portion while leaving a substantial continuing equity interest, indicating routine portfolio or liquidity management based on this filing alone.

Insider Trade Summary

Net Seller: 5,000 shares

Net Sell 4 txns

Insider Yang Emily

Role SVP Worldwide Sales/Marketing

Sold 5,000 shs ($545K)

Type	Security	Shares	Price	Value
Sale	Diodes Incorporated Common Stock	3,000	$110.08	$330K
Sale	Diodes Incorporated Common Stock	2,000	$107.5201	$215K
holding	Diodes Incorporated Common Stock	--	--	--
holding	Diodes Incorporated Common Stock	--	--	--

Holdings After Transaction: Diodes Incorporated Common Stock — 61,878 shares (Direct); Diodes Incorporated Common Stock — 584 shares (Indirect, Oner Family Revocable Trust); Diodes Incorporated Common Stock — 1,576 shares (Indirect, Custodial)

Key Figures

Total shares sold: 5,000 shares Sale price May 27: $110.0800 per share Sale price May 26: $107.5201 per share +3 more

6 metrics

Total shares sold 5,000 shares Open-market sales of common stock reported on Form 4

Sale price May 27 $110.0800 per share 3,000 shares of Diodes common stock sold

Sale price May 26 $107.5201 per share 2,000 shares of Diodes common stock sold

Direct holdings after transactions 61,878 shares Common stock directly owned after reported sales

Custodial indirect holdings 1,576 shares Indirect ownership classified as Custodial

Trust indirect holdings 584 shares Indirect ownership via Oner Family Revocable Trust

Key Terms

open-market sale, indirect ownership, Custodial, Revocable Trust, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for 2,000 and 3,000 share disposals"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect ownership financial

"transactions marked ownership_type "indirect" with nature_of_ownership details"

Custodial financial

"nature_of_ownership: "Custodial" for 1,576 indirectly held shares"

Custodial describes services, accounts, or arrangements where a third party holds and safeguards financial assets and maintains records and settlement on behalf of an investor. It matters because custody reduces the risk of lost or stolen assets, ensures clear proof of ownership and timely transaction handling, and can affect access, fees and regulatory protections—like leaving valuables in a guarded safe instead of keeping them at home.

Revocable Trust financial

"nature_of_ownership: "Oner Family Revocable Trust" for 584 shares"

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

Form 4 regulatory

"INSIDER FILING DATA (Form 4) describing Emily Yang’s transactions"

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.

FAQ

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

What insider transaction did Emily Yang report at Diodes (DIOD)?

Emily Yang reported selling 5,000 shares of Diodes common stock in open-market transactions. She sold 2,000 shares at about $107.52 and 3,000 shares at about $110.08, according to the Form 4 insider trading report.

What prices did Emily Yang’s recent Diodes (DIOD) share sales occur at?

Emily Yang’s reported sales occurred at approximately $107.52 and $110.08 per share. She sold 2,000 shares at $107.5201 and 3,000 shares at $110.0800 in open-market transactions, based on the Form 4 disclosure.

How many Diodes (DIOD) shares does Emily Yang hold after these sales?

After the reported sales, Emily Yang holds 61,878 Diodes shares directly. She also has indirect holdings of 1,576 shares held custodially and 584 shares held through the Oner Family Revocable Trust, as disclosed in the filing.

Is Emily Yang’s Diodes (DIOD) transaction classified as a buy or a sell?

The transactions are classified as sells. The Form 4 lists transaction code “S” and describes them as open-market sales, with 5,000 Diodes common shares disposed of across two trades on May 26 and May 27.

Does the Form 4 show any option exercises by Emily Yang at Diodes (DIOD)?

The Form 4 does not show any option or derivative exercises. All reported activity involves non-derivative Diodes common stock, with sales totaling 5,000 shares and no derivative transactions or exercise codes indicated.

What indirect Diodes (DIOD) holdings are reported for Emily Yang?

The filing reports two categories of indirect holdings for Emily Yang. She has 1,576 Diodes shares held under custodial ownership and 584 shares held through the Oner Family Revocable Trust, in addition to her direct share ownership.

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

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Accepted by SEC EDGAR 05/27/2026 - 06:06 PM 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^*

Yang Emily

(Last) (First) (Middle)

4949 HEDGCOXE ROAD

SUITE 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP Worldwide Sales/Marketing

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026

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	05/26/2026		S		2,000	D	$107.5201	64,878	D
Diodes Incorporated Common Stock	05/27/2026		S		3,000	D	$110.08	61,878	D
Diodes Incorporated Common Stock								584	I	Oner Family Revocable Trust
Diodes Incorporated Common Stock								1,576	I	Custodial

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:

	Brett R. Whitmire as Power of Attorney for Emily Yang	05/27/2026
	** 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)