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CITADEL ADVISORS LLC
> GVP
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | GSE SYSTEMS INC | GVP | 127,100 | 127,100 | 45,756,000 | 45,756,000 | $360.00 |
| 12/31/2022 | GSE SYSTEMS INC | GVP | 0 | -17,889 | 0 | -16,000 | |
| 09/30/2022 | GSE SYSTEMS INC | GVP | 17,889 | 17,889 | 16,000 | 16,000 | $0.89 |
| 09/30/2021 | GSE SYSTEMS INC | GVP | 0 | -12,178 | 0 | -22,000 | |
| 06/30/2021 | GSE SYSTEMS INC | GVP | 12,178 | -4,762 | 22,000 | -6,000 | $1.81 |
| 03/31/2021 | GSE SYSTEMS INC | GVP | 16,940 | 16,940 | 28,000 | 28,000 | $1.65 |
| 09/30/2020 | GSE SYSTEMS INC | GVP | 0 | -10,789 | 0 | -11,000 | |
| 06/30/2020 | GSE SYSTEMS INC | GVP | 10,789 | 10,789 | 11,000 | 11,000 | $1.02 |
| 09/30/2019 | GSE SYSTEMS INC | GVP | 0 | -10,920 | 0 | -26,000 | |
| 06/30/2019 | GSE SYSTEMS INC | GVP | 10,920 | 10,920 | 26,000 | 26,000 | $2.38 |
| 12/31/2016 | GSE SYSTEMS INC | GVP | 0 | -36,252 | 0 | -104,000 | |
| 09/30/2016 | GSE SYSTEMS INC | GVP | 36,252 | 36,252 | 104,000 | 104,000 | $2.87 |
| 12/31/2015 | GSE SYSTEMS INC | GVP | 0 | -11,684 | 0 | -19,000 | |
| 09/30/2015 | GSE SYSTEMS INC | GVP | 0 | -11,958 | 0 | -19,000 | |
| 06/30/2015 | GSE SYSTEMS INC | GVP | 11,958 | 11,958 | 19,000 | 19,000 | $1.59 |
| 03/31/2014 | GSE SYSTEMS INC | GVP | 0 | -11,684 | 0 | -19,000 | |
| 12/31/2013 | GSE SYSTEMS INC | GVP | 11,684 | 11,684 | 19,000 | 19,000 | $1.63 |
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