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MARSHALL WACE, LLP
> MACK
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | MERRIMACK PHARMACEUTICALS INC | MACK | 87,037 | 87,037 | 1,070,555,000 | 1,070,555,000 | $12,300.00 |
| 09/30/2021 | MERRIMACK PHARMACEUTICALS INC | MACK | 0 | -39,150 | 0 | -250,000 | |
| 06/30/2021 | MERRIMACK PHARMACEUTICALS INC | MACK | 39,150 | -52,616 | 250,000 | -326,000 | $6.39 |
| 03/31/2021 | MERRIMACK PHARMACEUTICALS INC | MACK | 91,766 | 35,918 | 576,000 | 191,000 | $6.28 |
| 12/31/2020 | MERRIMACK PHARMACEUTICALS INC | MACK | 55,848 | 55,848 | 385,000 | 385,000 | $6.89 |
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