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

Rhea-AI Filing Summary

Sidney D. Rosenblatt, a director of Universal Display Corporation (ticker: OLED), reported a non-derivative purchase on 09/30/2025 of 341 common shares under transaction code V at a reported price of $0. After the transaction Rosenblatt beneficially owned 136,957 shares directly. The filing also discloses 2,830 shares held indirectly by a Grantor Retained Annuity Trust and 17,499 shares held indirectly by spouse. The form is signed by power of attorney on 10/02/2025.

Positive

• Insider purchase reported: 341 common shares acquired on 09/30/2025
• Substantial direct holding: 136,957 shares beneficially owned following the reported transaction
• Additional indirect holdings disclosed: 2,830 shares in a Grantor Retained Annuity Trust and 17,499 shares by spouse

Negative

• None.

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
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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^*

ROSENBLATT SIDNEY D

(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	136,957	D
Common Stock								2,830	I	By Grantor Retained Annuity Trust
Common Stock								17,499	I	By Spouse

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/ Sidney D. Rosenblatt (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 Sidney D. Rosenblatt report for OLED?

The Form 4 reports a non-derivative acquisition of 341 common shares on 09/30/2025 (transaction code V).

How many OLED shares does Rosenblatt beneficially own after the reported trade?

The filing shows 136,957 shares beneficially owned following the reported transaction.

Are there any indirect holdings disclosed for Rosenblatt in the OLED filing?

Yes. The form discloses 2,830 shares held indirectly by a Grantor Retained Annuity Trust and 17,499 shares held indirectly by spouse.

What price was reported for the acquisition on the Form 4?

The Form 4 lists the acquisition with a reported price of $0 for the 341 shares.

When was the Form 4 signed and filed for Rosenblatt's OLED transaction?

The signature block shows the form signed by power of attorney on 10/02/2025.