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Bank of New York Mellon Corp
> PRTA
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | PROTHENA CORP PUBLIC LTD CO | PRTA | 514,233 | 350,141 | 35,111,798,000 | 27,158,270,000 | $68,279.94 |
| 03/31/2023 | PROTHENA CORP PUBLIC LTD CO | PRTA | 164,092 | 27,095 | 7,953,528,000 | -300,528,000 | $48,469.93 |
| 12/31/2022 | PROTHENA CORP PUBLIC LTD CO | PRTA | 136,997 | 136,997 | 8,254,056,000 | 8,254,056,000 | $60,249.90 |
| 09/30/2022 | PROTHENA CORP PUBLIC LTD CO | PRTA | 0 | -119,364 | 0 | -3,241,000 | |
| 06/30/2022 | PROTHENA CORP PUBLIC LTD CO | PRTA | 119,364 | -34,917 | 3,241,000 | -2,401,000 | $27.15 |
| 03/31/2022 | PROTHENA CORP PUBLIC LTD CO | PRTA | 154,281 | 1,821 | 5,642,000 | -1,889,000 | $36.57 |
| 12/31/2021 | PROTHENA CORP PUBLIC LTD CO | PRTA | 152,460 | 15,173 | 7,531,000 | -2,248,000 | $49.40 |
| 09/30/2021 | PROTHENA CORP PUBLIC LTD CO | PRTA | 137,287 | 1,832 | 9,779,000 | 2,816,000 | $71.23 |
| 06/30/2021 | PROTHENA CORP PUBLIC LTD CO | PRTA | 135,455 | -4,067 | 6,963,000 | 5,288,000 | $51.40 |
| 03/31/2021 | PROTHENA CORP PUBLIC LTD CO | PRTA | 0 | -139,522 | 0 | -1,675,000 | |
| 12/31/2020 | PROTHENA CORP PUBLIC LTD CO | PRTA | 139,522 | -9,160 | 1,675,000 | 190,000 | $12.01 |
| 09/30/2020 | PROTHENA CORP PUBLIC LTD CO | PRTA | 148,682 | -10,867 | 1,485,000 | -183,000 | $9.99 |
| 06/30/2020 | PROTHENA CORP PUBLIC LTD CO | PRTA | 159,549 | -172,891 | 1,668,000 | -1,889,000 | $10.45 |
| 03/31/2020 | PROTHENA CORP PUBLIC LTD CO | PRTA | 332,440 | -4,072 | 3,557,000 | -1,770,000 | $10.70 |
| 12/31/2019 | PROTHENA CORP PUBLIC LTD CO | PRTA | 336,512 | 2,683 | 5,327,000 | 2,710,000 | $15.83 |
| 09/30/2019 | PROTHENA CORP PUBLIC LTD CO | PRTA | 333,829 | -5,483 | 2,617,000 | -970,000 | $7.84 |
| 06/30/2019 | PROTHENA CORP PUBLIC LTD CO | PRTA | 339,312 | -22,176 | 3,587,000 | -797,000 | $10.57 |
| 03/31/2019 | PROTHENA CORP PUBLIC LTD CO | PRTA | 361,488 | -11,584 | 4,384,000 | 542,000 | $12.13 |
| 12/31/2018 | PROTHENA CORP PUBLIC LTD CO | PRTA | 373,072 | 169,070 | 3,842,000 | 1,173,000 | $10.30 |
| 09/30/2018 | PROTHENA CORP PUBLIC LTD CO | PRTA | 204,002 | 15,907 | 2,669,000 | -73,000 | $13.08 |
| 06/30/2018 | PROTHENA CORP PUBLIC LTD CO | PRTA | 188,095 | 8,842 | 2,742,000 | -3,838,000 | $14.58 |
| 03/31/2018 | PROTHENA CORP PUBLIC LTD CO | PRTA | 179,253 | 3,405 | 6,580,000 | -12,000 | $36.71 |
| 12/31/2017 | PROTHENA CORP PUBLIC LTD CO | PRTA | 175,848 | -9,572 | 6,592,000 | -5,418,000 | $37.49 |
| 09/30/2017 | PROTHENA CORP PUBLIC LTD CO | PRTA | 185,420 | -42 | 12,010,000 | 1,973,000 | $64.77 |
| 06/30/2017 | PROTHENA CORP PUBLIC LTD CO | PRTA | 185,462 | 13,492 | 10,037,000 | 443,000 | $54.12 |
| 03/31/2017 | PROTHENA CORP PUBLIC LTD CO | PRTA | 171,970 | 10,397 | 9,594,000 | 1,647,000 | $55.79 |
| 12/31/2016 | PROTHENA CORP PUBLIC LTD CO | PRTA | 161,573 | 1,629 | 7,947,000 | -1,644,000 | $49.19 |
| 09/30/2016 | PROTHENA CORP PUBLIC LTD CO | PRTA | 159,944 | 159,944 | 9,591,000 | 9,591,000 | $59.96 |
| 06/30/2016 | PROTHENA CORP PUBLIC LTD CO | PRTA | 162,670 | 1,917 | 5,687,000 | -930,000 | $34.96 |
| 03/31/2016 | PROTHENA CORP PUBLIC LTD CO | PRTA | 160,753 | -2,184 | 6,617,000 | -4,480,000 | $41.16 |
| 12/31/2015 | PROTHENA CORP PUBLIC LTD CO | PRTA | 162,937 | -2,867 | 11,097,000 | 3,579,000 | $68.11 |
| 09/30/2015 | PROTHENA CORP PUBLIC LTD CO | PRTA | 165,804 | -27,096 | 7,518,000 | -2,642,000 | $45.34 |
| 06/30/2015 | PROTHENA CORP PUBLIC LTD CO | PRTA | 192,900 | 95,459 | 10,160,000 | 7,963,000 | $52.67 |
| 03/31/2015 | PROTHENA CORP PUBLIC LTD CO | PRTA | 151,785 | 12,347 | 5,789,000 | 2,894,000 | $38.14 |
| 12/31/2014 | PROTHENA CORP PUBLIC LTD CO | PRTA | 139,438 | 15,140 | 2,895,000 | 141,000 | $20.76 |
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