| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GEMMILL ELIZABETH H | Director | C/O UNIVERSAL DISPLAY CORPORATION, 250 PHILLIPS BLVD., EWING | /s/ Elizabeth H. Gemmill (by Mauro Premutico as power of attorney) | 05 Jan 2026 | 0001200218 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OLED | Common Stock | Award | $0 | +341 | +0.34% | $0.000000 | 99,396 | 31 Dec 2025 | Direct |