ROSENBLATT SIDNEY D (CIK 1232978) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy OLED (455 shares), Buy OLED (456 shares), Buy OLED (341 shares), Sell OLED (3,400 shares), Buy OLED (341 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Director | Buy | 455 | $0 |
| 2026-04-02 | UNIVERSAL DISPLAY CORP \PA\ (OLED) | Director | Buy | 456 | $0 |
| 2026-01-05 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Buy | 341 | $0 |
| 2025-12-23 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Sell | 3,400 | $0 |
| 2025-10-02 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Buy | 341 | $0 |
| 2025-07-02 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Buy | 342 | $0 |
| 2025-04-16 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Buy | 690 | $0 |
| 2025-04-16 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Sell | 690 | $0 |
| 2025-04-02 | UNIVERSAL DISPLAY CORP PA (OLED) | Director | Buy | 342 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02