Mahon Janice K (CIK 1423446) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-10). Recent activity: Buy OLED (2,604 shares), Sell OLED (941 shares), Buy OLED (8,597 shares), Sell OLED (4,113 shares), Buy OLED (2,777 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Buy | 2,604 | $0 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 941 | $91,305 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Buy | 8,597 | $0 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 4,113 | $399,084 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Buy | 2,777 | $0 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 1,420 | $137,783 |
| 2026-03-10 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 1,069 | $103,725 |
| 2026-03-06 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 605 | $61,420 |
| 2026-02-19 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Buy | 7,300 | $0 |
| 2026-02-19 | UNIVERSAL DISPLAY CORP PA (OLED) | SVP of Tech Commercialization | Sell | 770 | $92,338 |
Source: SEC Form 4 filings · as of 2026-03-10