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RENAISSANCE TECHNOLOGIES LLC
> REFR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | RESEARCH FRONTIERS INC | REFR | 29,000 | 29,000 | 46,000 | 46,000 | $1.59 |
| 09/30/2021 | RESEARCH FRONTIERS INC | REFR | 0 | -48,214 | 0 | -114,000 | |
| 06/30/2021 | RESEARCH FRONTIERS INC | REFR | 48,214 | 28,325 | 114,000 | 58,000 | $2.36 |
| 03/31/2021 | RESEARCH FRONTIERS INC | REFR | 19,889 | 19,889 | 56,000 | 56,000 | $2.82 |
| 06/30/2019 | RESEARCH FRONTIERS INC | REFR | 0 | -18,123 | 0 | -39,000 | |
| 03/31/2019 | RESEARCH FRONTIERS INC | REFR | 18,123 | -16,981 | 39,000 | -16,000 | $2.15 |
| 12/31/2018 | RESEARCH FRONTIERS INC | REFR | 35,104 | 2,804 | 55,000 | 4,000 | $1.57 |
| 09/30/2018 | RESEARCH FRONTIERS INC | REFR | 32,300 | 5,800 | 51,000 | 25,000 | $1.58 |
| 06/30/2018 | RESEARCH FRONTIERS INC | REFR | 29,900 | 3,400 | 25,000 | -1,000 | $0.84 |
| 03/31/2018 | RESEARCH FRONTIERS INC | REFR | 26,500 | -6,600 | 26,000 | -8,000 | $0.98 |
| 12/31/2017 | RESEARCH FRONTIERS INC | REFR | 33,100 | 22,700 | 34,000 | 22,000 | $1.03 |
| 09/30/2017 | RESEARCH FRONTIERS INC | REFR | 10,400 | 10,400 | 12,000 | 12,000 | $1.15 |
| 03/31/2014 | RESEARCH FRONTIERS INC | REFR | 0 | -16,900 | 0 | -98,000 | |
| 12/31/2013 | RESEARCH FRONTIERS INC | REFR | 16,900 | 16,900 | 98,000 | 98,000 | $5.80 |
| 06/30/2011 | RESEARCH FRONTIERS INC | REFR | 0 | -29,412 | 0 | -201,000 | |
| 03/31/2011 | RESEARCH FRONTIERS INC | REFR | 29,412 | 29,412 | 201,000 | 201,000 | $6.83 |
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