| 2015-08-05 | Sale | Universal Display Corporation OLED | 10 percent owner | 449,345 0.9715% | $46.37 | $20.84M | +11.52% | |
| 2015-08-04 | Sale | Universal Display Corporation OLED | 10 percent owner | 138,313 0.2971% | $46.28 | $6.4M | +10.54% | |
| 2015-08-03 | Sale | Universal Display Corporation OLED | 10 percent owner | 187,397 0.4073% | $47.65 | $8.93M | +8.32% | |
| 2012-05-03 | Universal Display Corporation OLED | 10 percent owner | 200,000 0.4365% | $40.77 | $8.15M | -21.83% | ||
| 2012-03-08 | Universal Display Corporation OLED | 10 percent owner | 200,000 0.4363% | $39.97 | $7.99M | -17.64% | ||
| 2012-01-04 | Universal Display Corporation OLED | 10 percent owner | 180,000 0.3943% | $32.55 | $5.86M | +8.47% | ||
| 2011-11-30 | Universal Display Corporation OLED | director | 200,000 0.4325% | $36.85 | $7.37M | -8.01% | ||
| 2011-11-28 | Universal Display Corporation OLED | 10 percent owner | 200,000 0.4741% | $41.73 | $8.35M | -10.81% | ||
| 2011-11-03 | Universal Display Corporation OLED | 10 percent owner | 300,000 0.6573% | $42.56 | $12.77M | -15.42% | ||
| 2011-11-01 | Universal Display Corporation OLED | 10 percent owner | 600,000 1.3718% | $44.67 | $26.8M | -15.63% |