| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ROSENBLATT SIDNEY D | Director | C/O UNIVERSAL DISPLAY CORPORATION, 250 PHILLIPS BLVD., EWING | /s/ Sidney D. Rosenblatt (by Mauro Premutico as power of attorney) | 02 Oct 2025 | 0001232978 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OLED | Common Stock | Award | $0 | +341 | +0.25% | $0.00 | 137K | 30 Sep 2025 | Direct | |
| holding | OLED | Common Stock | 2.83K | 30 Sep 2025 | By Grantor Retained Annuity Trust | ||||||
| holding | OLED | Common Stock | 17.5K | 30 Sep 2025 | By Spouse |