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AWM Investment Company, Inc.
> SPRO
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Spero Therapeutics, Inc. | SPRO | 383,400 | -917,000 | 555,930,000 | -1,693,762,000 | $1,450.00 |
| 12/31/2022 | Spero Therapeutics, Inc. | SPRO | 1,300,400 | -1,000,000 | 2,249,692,000 | 2,245,091,000 | $1,730.00 |
| 09/30/2022 | Spero Therapeutics, Inc. | SPRO | 2,300,400 | 2,300,400 | 4,601,000 | 4,601,000 | $2.00 |
| 06/30/2022 | Spero Therapeutics, Inc. | SPRO | 0 | -372,755 | 0 | -3,243,000 | |
| 03/31/2022 | Spero Therapeutics, Inc. | SPRO | 372,755 | 0 | 3,243,000 | -2,725,000 | $8.70 |
| 12/31/2021 | Spero Therapeutics, Inc. | SPRO | 372,755 | 0 | 5,968,000 | -894,000 | $16.01 |
| 09/30/2021 | Spero Therapeutics, Inc. | SPRO | 372,755 | 0 | 6,862,000 | 1,658,000 | $18.41 |
| 06/30/2021 | Spero Therapeutics, Inc. | SPRO | 372,755 | 0 | 5,204,000 | -283,000 | $13.96 |
| 03/31/2021 | Spero Therapeutics, Inc. | SPRO | 372,755 | 0 | 5,487,000 | -1,741,000 | $14.72 |
| 12/31/2020 | Spero Therapeutics, Inc. | SPRO | 372,755 | -126,000 | 7,228,000 | 1,662,000 | $19.39 |
| 09/30/2020 | Spero Therapeutics, Inc. | SPRO | 498,755 | 255,000 | 5,566,000 | 2,268,000 | $11.16 |
| 06/30/2020 | Spero Therapeutics, Inc. | SPRO | 243,755 | -152,194 | 3,298,000 | 99,000 | $13.53 |
| 03/31/2020 | Spero Therapeutics, Inc. | SPRO | 395,949 | -78,395 | 3,199,000 | -1,362,000 | $8.08 |
| 12/31/2019 | Spero Therapeutics, Inc. | SPRO | 474,344 | -123,971 | 4,561,000 | -1,781,000 | $9.62 |
| 09/30/2019 | Spero Therapeutics, Inc. | SPRO | 598,315 | 0 | 6,342,000 | -545,000 | $10.60 |
| 06/30/2019 | Spero Therapeutics, Inc. | SPRO | 598,315 | 36,019 | 6,887,000 | -316,000 | $11.51 |
| 03/31/2019 | Spero Therapeutics, Inc. | SPRO | 562,296 | 38,271 | 7,203,000 | 3,980,000 | $12.81 |
| 12/31/2018 | Spero Therapeutics, Inc. | SPRO | 524,025 | -16,449 | 3,223,000 | -2,457,000 | $6.15 |
| 09/30/2018 | Spero Therapeutics, Inc. | SPRO | 540,474 | 400,000 | 5,680,000 | 3,619,000 | $10.51 |
| 06/30/2018 | Spero Therapeutics, Inc. | SPRO | 140,474 | -209,526 | 2,061,000 | -2,926,000 | $14.67 |
| 03/31/2018 | Spero Therapeutics, Inc. | SPRO | 350,000 | 0 | 4,987,000 | 875,000 | $14.25 |
| 12/31/2017 | Spero Therapeutics, Inc. | SPRO | 350,000 | 350,000 | 4,112,000 | 4,112,000 | $11.75 |
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