| 2020-08-25 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 190,000 0.5764% | $2.16 | $409,507 | +20.44% | |
| 2020-08-07 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 100,000 0.3123% | $3.56 | $356,000 | -24.65% | |
| 2020-07-28 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 100,000 0.308% | $3.20 | $320,000 | -16.72% | |
| 2020-07-20 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 104,040 0.3151% | $3.28 | $341,251 | -18.95% | |
| 2020-07-17 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 27,912 0.0879% | $3.29 | $91,830 | -16.01% | |
| 2020-07-16 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 11,527 0.0371% | $3.31 | $38,154 | -14.57% | |
| 2020-07-15 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 26,603 0.084% | $3.45 | $91,780 | -19.36% | |
| 2020-07-14 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 17,658 0.0558% | $3.36 | $59,331 | -17.21% | |
| 2020-07-13 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 15,530 0.0495% | $3.45 | $53,579 | -18.51% | |
| 2020-07-01 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 1,800 0.006% | $3.85 | $6,930 | -23.37% | |
| 2020-06-30 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 32,490 0.0991% | $3.91 | $127,036 | -30.54% | |
| 2020-06-29 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 68,045 0.2253% | $3.97 | $270,139 | -25.98% | |
| 2020-06-26 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 104,045 0.3697% | $4.53 | $471,324 | -30.12% | |
| 2020-06-25 | Sale | Research Frontiers Incorporated REFR | 10 percent owner | 39,107 0.125% | $5.04 | $197,099 | -43.51% | |
| 2018-09-11 | Research Frontiers Incorporated REFR | 10 percent owner | 543,479 1.5486% | $0.92 | $500,001 | +88.71% | ||
| 2015-11-13 | Sale | IMAX Corporation IMAX | 10 percent owner | 200,000 0.2879% | $37.69 | $7.54M | -17.53% | |
| 2015-11-12 | Sale | IMAX Corporation IMAX | 10 percent owner | 300,000 0.4369% | $39.05 | $11.72M | -19.43% | |
| 2015-11-11 | Sale | IMAX Corporation IMAX | 10 percent owner | 200,000 0.2815% | $38.55 | $7.71M | -21.09% | |
| 2015-05-11 | Westport Fuel Systems Inc. WPRT | 10 percent owner | 150,687 0.2366% | $6.02 | $907,136 | -52.17% | ||
| 2015-05-08 | Westport Fuel Systems Inc. WPRT | 10 percent owner | 99,313 0.1543% | $5.69 | $565,091 | -49.74% |