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> MRSN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Mersana Therapeutics, Inc. | MRSN | 1,479,497 | 1,355,682 | 4,867,545,000 | 4,358,665,000 | $3,290.00 |
| 03/31/2023 | Mersana Therapeutics, Inc. | MRSN | 123,815 | -91,906 | 508,880,000 | 507,422,000 | $4,110.00 |
| 09/30/2022 | Mersana Therapeutics, Inc. | MRSN | 215,721 | 92,342 | 1,458,000 | 888,000 | $6.76 |
| 06/30/2022 | Mersana Therapeutics, Inc. | MRSN | 123,379 | -3,324 | 570,000 | 65,000 | $4.62 |
| 03/31/2022 | Mersana Therapeutics, Inc. | MRSN | 126,703 | 5,016 | 505,000 | -252,000 | $3.99 |
| 12/31/2021 | Mersana Therapeutics, Inc. | MRSN | 121,687 | -116,347 | 757,000 | -1,488,000 | $6.22 |
| 09/30/2021 | Mersana Therapeutics, Inc. | MRSN | 238,034 | -141,995 | 2,245,000 | -2,916,000 | $9.43 |
| 06/30/2021 | Mersana Therapeutics, Inc. | MRSN | 380,029 | -348,900 | 5,161,000 | -6,633,000 | $13.58 |
| 03/31/2021 | Mersana Therapeutics, Inc. | MRSN | 728,929 | -256,326 | 11,794,000 | -14,424,000 | $16.18 |
| 12/31/2020 | Mersana Therapeutics, Inc. | MRSN | 985,255 | 106,926 | 26,218,000 | 9,863,000 | $26.61 |
| 09/30/2020 | Mersana Therapeutics, Inc. | MRSN | 878,329 | -186,459 | 16,355,000 | -8,561,000 | $18.62 |
| 06/30/2020 | Mersana Therapeutics, Inc. | MRSN | 1,064,788 | 943,365 | 24,916,000 | 24,208,000 | $23.40 |
| 03/31/2020 | Mersana Therapeutics, Inc. | MRSN | 121,423 | -134,905 | 708,000 | -761,000 | $5.83 |
| 12/31/2019 | Mersana Therapeutics, Inc. | MRSN | 256,328 | -900 | 1,469,000 | 1,063,000 | $5.73 |
| 09/30/2019 | Mersana Therapeutics, Inc. | MRSN | 257,228 | 450 | 406,000 | -634,000 | $1.58 |
| 06/30/2019 | Mersana Therapeutics, Inc. | MRSN | 256,778 | 450 | 1,040,000 | -309,000 | $4.05 |
| 03/31/2019 | Mersana Therapeutics, Inc. | MRSN | 256,328 | 0 | 1,349,000 | 304,000 | $5.26 |
| 12/31/2018 | Mersana Therapeutics, Inc. | MRSN | 256,328 | 0 | 1,045,000 | -1,518,000 | $4.08 |
| 09/30/2018 | Mersana Therapeutics, Inc. | MRSN | 256,328 | 0 | 2,563,000 | -2,015,000 | $10.00 |
| 06/30/2018 | Mersana Therapeutics, Inc. | MRSN | 256,328 | -134 | 4,578,000 | 533,000 | $17.86 |
| 03/31/2018 | Mersana Therapeutics, Inc. | MRSN | 256,462 | -9,944 | 4,045,000 | -332,000 | $15.77 |
| 12/31/2017 | Mersana Therapeutics, Inc. | MRSN | 266,406 | -1,468,655 | 4,377,000 | -25,622,000 | $16.43 |
| 09/30/2017 | Mersana Therapeutics, Inc. | MRSN | 1,735,061 | 0 | 29,999,000 | 29,975,074 | $17.29 |
| 06/30/2017 | Mersana Therapeutics, Inc. | MRSN | 1,735,061 | 1,735,061 | 23,926 | 23,926 | $0.01 |
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