[Form 4] UNIVERSAL DISPLAY CORP \PA\ Insider Trading Activity

Rhea-AI Filing Summary

Joan Lau, a director of Universal Display Corp (OLED), reported an acquisition of 341 shares of the issuer's common stock on 09/30/2025. The Form 4 shows the transaction code V and lists a price of $0 for the acquired shares. After the reported transaction, the filing states Ms. Lau beneficially owns 2,064 shares, held directly. The form is signed on 10/02/2025 by power of attorney.

Positive

• Director Joan Lau acquired 341 shares on 09/30/2025
• Post-transaction ownership of 2,064 shares held directly

Negative

• None.

Insights

Corporate Governance Expert

Insider acquired 341 shares; holding rises to 2,064 shares.

The Form 4 records a 09/30/2025 acquisition of 341 common shares by director Joan Lau, using transaction code V. The reported $0 price is shown on the form.

The filing indicates the post-transaction direct beneficial ownership is 2,064 shares. The document is signed on 10/02/2025 by power of attorney.

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).

1. Name and Address of Reporting Person^*

Lau Joan

(Last) (First) (Middle)

C/O UNIVERSAL DISPLAY CORPORATION

250 PHILLIPS BLVD.

(Street)

EWING NJ 08618

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
UNIVERSAL DISPLAY CORP \PA\ [ OLED ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

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
Common Stock	09/30/2025		A		341	A	$0	2,064	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:

	/s/ Joan Lau (by Mauro Premutico as power of attorney)	10/02/2025
	** 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.

FAQ

What transaction did Joan Lau report on Form 4 for OLED?

The Form 4 reports an acquisition of 341 shares of OLED common stock on 09/30/2025 by director Joan Lau.

How many OLED shares does Joan Lau beneficially own after the transaction?

The filing shows she beneficially owns 2,064 shares following the reported transaction.

What price is listed for the shares acquired by Joan Lau?

The Form 4 lists a price of $0 for the reported acquisition.

What is the transaction code on the Form 4 and what date was it filed?

The reported transaction uses code V, and the Form 4 is signed on 10/02/2025.