STOCK TITAN

Diodes (DIOD) SVP Andy Tsong sells 2,652 shares, holds 49,752

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Diodes Incorporated senior vice president Andy Tsong reported an open-market sale of company stock. He sold 2,652 shares of Diodes Incorporated common stock at $110.00 per share. After this sale, he directly owned 49,752 shares of common stock.

The filing also shows a separate holding of 32,100 Diodes Incorporated common stock performance stock units, indicating an additional equity-based incentive position alongside his direct share ownership.

Positive

  • None.

Negative

  • None.
Insider Tsong Andy
Role SVP Worldwide Products Group
Sold 2,652 shs ($292K)
Type Security Shares Price Value
Sale Diodes Incorporated Common Stock 2,652 $110.00 $292K
holding Diodes Incorporated Common Stock - Performance Stock Units -- -- --
Holdings After Transaction: Diodes Incorporated Common Stock — 49,752 shares (Direct, null); Diodes Incorporated Common Stock - Performance Stock Units — 32,100 shares (Direct, null)
Footnotes (1)
Shares sold 2,652 shares Open-market sale of common stock
Sale price $110.00 per share Price for 2,652-share sale
Shares held after sale 49,752 shares Direct common stock ownership post-transaction
Performance stock units held 32,100 units Diodes Incorporated Common Stock - Performance Stock Units
Performance Stock Units financial
"Diodes Incorporated Common Stock - Performance Stock Units"
Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.
open-market sale financial
"transaction_action": "open-market sale""
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.
non-derivative financial
"transaction_type": "non-derivative""
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SEC Form 4
FORM 4UNITED 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*
Tsong Andy

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP Worldwide Products Group
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/12/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Diodes Incorporated Common Stock05/12/2026S2,652D$11049,752D
Diodes Incorporated Common Stock - Performance Stock Units32,100D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
Brett R. Whitmire as Power of Attorney for Andy Kuo-Ting Tsong05/13/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did DIODES INC (DIOD) report for Andy Tsong?

DIODES INC reported that senior vice president Andy Tsong sold 2,652 shares of common stock in an open-market transaction. The shares were sold at a price of $110.00 each, as disclosed in the Form 4 insider filing.

At what price did Andy Tsong sell DIODES INC (DIOD) shares?

Andy Tsong sold his DIODES INC common shares at $110.00 per share. This price applied to 2,652 shares in an open-market sale, according to the Form 4, and reflects the execution price for that specific insider transaction.

How many DIODES INC (DIOD) shares does Andy Tsong hold after the sale?

After the reported sale, Andy Tsong directly holds 49,752 shares of DIODES INC common stock. This figure reflects his remaining direct ownership position following the 2,652-share open-market sale disclosed in the Form 4 filing.

Does Andy Tsong hold any performance stock units in DIODES INC (DIOD)?

Yes. The filing shows Andy Tsong with 32,100 performance stock units tied to DIODES INC common stock. These units represent an additional equity-based incentive position, separate from his 49,752 directly owned common shares after the reported sale.

What type of transaction code was used in Andy Tsong’s DIODES INC (DIOD) filing?

The Form 4 lists transaction code “S” for the DIODES INC common stock transaction. Code S indicates a sale in the open market or a private transaction, confirming this was a disposition of shares rather than a purchase or option exercise.