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NORTHERN TRUST CORP
> PIRS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | PIERIS PHARMACEUTICALS, INC. | PIRS | 137,809 | 13,700 | 22,807,000 | -98,323,000 | $165.50 |
| 03/31/2023 | PIERIS PHARMACEUTICALS, INC. | PIRS | 124,109 | 16,392 | 121,130,000 | 121,006,000 | $976.00 |
| 09/30/2022 | PIERIS PHARMACEUTICALS, INC. | PIRS | 107,717 | 0 | 124,000 | -77,000 | $1.15 |
| 06/30/2022 | PIERIS PHARMACEUTICALS, INC. | PIRS | 107,717 | -4,136 | 201,000 | -138,000 | $1.87 |
| 03/31/2022 | PIERIS PHARMACEUTICALS, INC. | PIRS | 111,853 | 164 | 339,000 | -83,000 | $3.03 |
| 12/31/2021 | PIERIS PHARMACEUTICALS, INC. | PIRS | 111,689 | -2,189 | 422,000 | -167,000 | $3.78 |
| 09/30/2021 | PIERIS PHARMACEUTICALS, INC. | PIRS | 113,878 | -6,968 | 589,000 | 126,000 | $5.17 |
| 06/30/2021 | PIERIS PHARMACEUTICALS, INC. | PIRS | 120,846 | -459,700 | 463,000 | -988,000 | $3.83 |
| 12/31/2020 | PIERIS PHARMACEUTICALS, INC. | PIRS | 580,546 | 17,850 | 1,451,000 | 287,000 | $2.50 |
| 09/30/2020 | PIERIS PHARMACEUTICALS, INC. | PIRS | 562,696 | 16,456 | 1,164,000 | -81,000 | $2.07 |
| 03/31/2020 | PIERIS PHARMACEUTICALS, INC. | PIRS | 546,240 | 14,081 | 1,245,000 | -682,000 | $2.28 |
| 12/31/2019 | PIERIS PHARMACEUTICALS, INC. | PIRS | 532,159 | -2,054 | 1,927,000 | 106,000 | $3.62 |
| 09/30/2019 | PIERIS PHARMACEUTICALS, INC. | PIRS | 534,213 | 61,596 | 1,821,000 | -400,000 | $3.41 |
| 06/30/2019 | PIERIS PHARMACEUTICALS, INC. | PIRS | 472,617 | -10,326 | 2,221,000 | 603,000 | $4.70 |
| 03/31/2019 | PIERIS PHARMACEUTICALS, INC. | PIRS | 482,943 | 21,018 | 1,618,000 | 390,000 | $3.35 |
| 12/31/2018 | PIERIS PHARMACEUTICALS, INC. | PIRS | 461,925 | -24,765 | 1,228,000 | -1,498,000 | $2.66 |
| 09/30/2018 | PIERIS PHARMACEUTICALS, INC. | PIRS | 486,690 | 133,751 | 2,726,000 | 937,000 | $5.60 |
| 06/30/2018 | PIERIS PHARMACEUTICALS, INC. | PIRS | 352,939 | -2,269 | 1,789,000 | -633,000 | $5.07 |
| 03/31/2018 | PIERIS PHARMACEUTICALS, INC. | PIRS | 355,208 | 36,914 | 2,422,000 | 19,000 | $6.82 |
| 12/31/2017 | PIERIS PHARMACEUTICALS, INC. | PIRS | 318,294 | -2,840 | 2,403,000 | 554,000 | $7.55 |
| 09/30/2017 | PIERIS PHARMACEUTICALS, INC. | PIRS | 321,134 | 16 | 1,849,000 | 224,000 | $5.76 |
| 06/30/2017 | PIERIS PHARMACEUTICALS, INC. | PIRS | 321,118 | 321,118 | 1,625,000 | 1,625,000 | $5.06 |
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