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BlackRock Inc.
> SPRO
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Spero Therapeutics, Inc. | SPRO | 523,804 | 33,991 | 759,515,000 | 49,286,000 | $1,450.00 |
| 03/31/2023 | Spero Therapeutics, Inc. | SPRO | 489,813 | -202,325 | 710,229,000 | 708,844,000 | $1,450.00 |
| 09/30/2022 | Spero Therapeutics, Inc. | SPRO | 692,138 | 1,385 | 1,385,000 | 872,000 | $2.00 |
| 06/30/2022 | Spero Therapeutics, Inc. | SPRO | 690,753 | -1,103,328 | 513,000 | -15,096,000 | $0.74 |
| 03/31/2022 | Spero Therapeutics, Inc. | SPRO | 1,794,081 | -4,696 | 15,609,000 | -13,190,000 | $8.70 |
| 12/31/2021 | Spero Therapeutics, Inc. | SPRO | 1,798,777 | -3,751 | 28,799,000 | -4,386,000 | $16.01 |
| 09/30/2021 | Spero Therapeutics, Inc. | SPRO | 1,802,528 | 23,706 | 33,185,000 | 8,352,000 | $18.41 |
| 06/30/2021 | Spero Therapeutics, Inc. | SPRO | 1,778,822 | 2,226 | 24,833,000 | -1,319,000 | $13.96 |
| 03/31/2021 | Spero Therapeutics, Inc. | SPRO | 1,776,596 | 44,996 | 26,152,000 | -7,424,000 | $14.72 |
| 12/31/2020 | Spero Therapeutics, Inc. | SPRO | 1,731,600 | 654,438 | 33,576,000 | 21,556,000 | $19.39 |
| 09/30/2020 | Spero Therapeutics, Inc. | SPRO | 1,077,162 | 126,906 | 12,020,000 | -837,000 | $11.16 |
| 06/30/2020 | Spero Therapeutics, Inc. | SPRO | 950,256 | 69,025 | 12,857,000 | 5,737,000 | $13.53 |
| 03/31/2020 | Spero Therapeutics, Inc. | SPRO | 881,231 | 125,966 | 7,120,000 | -141,000 | $8.08 |
| 12/31/2019 | Spero Therapeutics, Inc. | SPRO | 755,265 | 76,316 | 7,261,000 | 63,000 | $9.61 |
| 09/30/2019 | Spero Therapeutics, Inc. | SPRO | 678,949 | 22,171 | 7,198,000 | 7,190,441 | $10.60 |
| 06/30/2019 | Spero Therapeutics, Inc. | SPRO | 656,778 | 235,691 | 7,559 | -5,387,441 | $0.01 |
| 03/31/2019 | Spero Therapeutics, Inc. | SPRO | 421,087 | 27,457 | 5,395,000 | 2,974,000 | $12.81 |
| 12/31/2018 | Spero Therapeutics, Inc. | SPRO | 393,630 | 21,161 | 2,421,000 | -1,494,000 | $6.15 |
| 09/30/2018 | Spero Therapeutics, Inc. | SPRO | 372,469 | 30,470 | 3,915,000 | -1,102,000 | $10.51 |
| 06/30/2018 | Spero Therapeutics, Inc. | SPRO | 341,999 | 89,698 | 5,017,000 | 1,421,000 | $14.67 |
| 03/31/2018 | Spero Therapeutics, Inc. | SPRO | 252,301 | 11,427 | 3,596,000 | 766,000 | $14.25 |
| 12/31/2017 | Spero Therapeutics, Inc. | SPRO | 240,874 | 240,874 | 2,830,000 | 2,830,000 | $11.75 |
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