UNIVERSAL DISPLAY CORP \PA\ — Director's Dealing 2025

Feb 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNIVERSAL DISPLAY CORP \PA\ (OLED)
CIK: 0001005284
Period of Report: 2025-02-16

Reporting Person: BROWN JULIA J (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-16	Common Stock	F	889	$142.5	Disposed	55735	Direct
2025-02-18	Common Stock	A	5158	—	Acquired	60893	Direct
2025-02-18	Common Stock	F	2188	$145.02	Disposed	58705	Direct
2025-02-18	Common Stock	A	13013	—	Acquired	71718	Direct
2025-02-18	Common Stock	F	4950	$145.02	Disposed	66768	Direct
2025-02-18	Common Stock	A	9671	—	Acquired	76439	Direct

Footnotes

F1: These shares were withheld to satisfy a tax liability in connection with the vesting on February 16, 2025 of 3,154 shares of restricted stock previously granted to the Reporting Person.

F2: These shares were granted to the Reporting Person as performance units under the Company's Long Term Incentive Plan as part of 2022 compensation and vested subject to the satisfaction of certain performance conditions, which the Company's Human Capital Committee certified on February 18, 2025 as having occurred.

F3: These shares were withheld to satisfy a tax liability in connection with the vesting on February 18, 2025 of 5,158 shares of restricted stock previously granted to the Reporting Person.

F4: These shares were withheld to satisfy a tax liability in connection with the vesting on February 18, 2025 of 13,013 shares of restricted stock previously granted to the Reporting Person.

F5: These units were granted to the Reporting Person under the Company's Long Term Incentive Plan as part of the Reporting Person's 2025 compensation and are subject to a time-based restriction, with one-third of the total unit amount vesting on each of February 18, 2026, 2027 and 2028.