Mersana Therapeutics, Inc. (MRSN)
NASDAQ: MRSN · Real-Time Price · USD
7.15
-0.06 (-0.83%)
At close: Sep 17, 2025, 4:00 PM EDT
7.39
+0.24 (3.36%)
Pre-market: Sep 18, 2025, 4:19 AM EDT
Mersana Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 17, 2025 | 7.27 | 7.43 | 7.05 | 7.15 | 7.15 | -0.83% | 67,450 |
| Sep 16, 2025 | 7.25 | 7.49 | 7.21 | 7.21 | 7.21 | 0.56% | 16,997 |
| Sep 15, 2025 | 7.34 | 7.40 | 7.04 | 7.17 | 7.17 | 0.42% | 30,172 |
| Sep 12, 2025 | 7.31 | 7.46 | 7.13 | 7.14 | 7.14 | -4.42% | 27,366 |
| Sep 11, 2025 | 7.38 | 7.53 | 7.26 | 7.47 | 7.47 | 1.63% | 30,675 |
| Sep 10, 2025 | 7.65 | 7.70 | 7.33 | 7.35 | 7.35 | -4.05% | 50,493 |
| Sep 9, 2025 | 7.03 | 7.66 | 6.90 | 7.66 | 7.66 | 8.81% | 65,994 |
| Sep 8, 2025 | 6.83 | 7.10 | 6.63 | 7.04 | 7.04 | 3.23% | 59,795 |
| Sep 5, 2025 | 7.20 | 7.25 | 6.79 | 6.82 | 6.82 | -4.21% | 90,815 |
| Sep 4, 2025 | 7.00 | 7.16 | 6.80 | 7.12 | 7.12 | 2.01% | 45,957 |
| Sep 3, 2025 | 7.13 | 7.55 | 6.97 | 6.98 | 6.98 | -0.57% | 47,604 |
| Sep 2, 2025 | 7.33 | 7.53 | 6.97 | 7.02 | 7.02 | -4.10% | 51,812 |
| Aug 29, 2025 | 7.78 | 7.85 | 7.32 | 7.32 | 7.32 | -4.44% | 40,766 |
| Aug 28, 2025 | 7.71 | 8.05 | 7.54 | 7.66 | 7.66 | 0.39% | 53,733 |
| Aug 27, 2025 | 7.57 | 7.74 | 7.55 | 7.63 | 7.63 | -0.26% | 31,886 |
| Aug 26, 2025 | 7.71 | 7.71 | 7.41 | 7.65 | 7.65 | - | 52,357 |
| Aug 25, 2025 | 7.73 | 8.09 | 7.51 | 7.65 | 7.65 | -1.29% | 90,538 |
| Aug 22, 2025 | 8.16 | 8.19 | 7.71 | 7.75 | 7.75 | -4.44% | 71,864 |
| Aug 21, 2025 | 7.11 | 8.13 | 7.10 | 8.11 | 8.11 | 11.25% | 309,620 |
| Aug 20, 2025 | 7.25 | 7.39 | 6.96 | 7.29 | 7.29 | 0.69% | 36,837 |
| Aug 19, 2025 | 7.27 | 7.42 | 7.03 | 7.24 | 7.24 | -1.90% | 77,295 |
| Aug 18, 2025 | 7.07 | 7.68 | 7.07 | 7.38 | 7.38 | 3.07% | 99,183 |
| Aug 15, 2025 | 7.44 | 7.44 | 7.00 | 7.16 | 7.16 | -3.50% | 79,997 |
| Aug 14, 2025 | 6.85 | 7.72 | 6.82 | 7.42 | 7.42 | 8.96% | 226,738 |
| Aug 13, 2025 | 5.60 | 6.82 | 5.21 | 6.81 | 6.81 | 12.19% | 255,427 |
| Aug 12, 2025 | 6.01 | 6.31 | 5.97 | 6.07 | 6.07 | 1.68% | 53,231 |
| Aug 11, 2025 | 6.29 | 6.29 | 5.85 | 5.97 | 5.97 | -5.24% | 97,930 |
| Aug 8, 2025 | 6.60 | 6.60 | 6.22 | 6.30 | 6.30 | -4.69% | 99,328 |
| Aug 7, 2025 | 6.81 | 6.81 | 6.40 | 6.61 | 6.61 | -1.34% | 88,676 |
| Aug 6, 2025 | 6.93 | 7.00 | 6.64 | 6.70 | 6.70 | -4.83% | 54,600 |
| Aug 5, 2025 | 6.85 | 7.05 | 6.74 | 7.04 | 7.04 | 2.62% | 80,501 |
| Aug 4, 2025 | 6.64 | 6.96 | 6.55 | 6.86 | 6.86 | 3.94% | 55,618 |
| Aug 1, 2025 | 6.66 | 6.80 | 6.37 | 6.60 | 6.60 | -3.65% | 110,626 |
| Jul 31, 2025 | 6.65 | 7.08 | 6.57 | 6.85 | 6.85 | 1.48% | 107,598 |
| Jul 30, 2025 | 6.94 | 7.04 | 6.58 | 6.75 | 6.75 | -2.88% | 142,321 |
| Jul 29, 2025 | 6.89 | 7.00 | 6.55 | 6.95 | 6.95 | 1.76% | 190,181 |
| Jul 28, 2025 | 7.60 | 7.60 | 6.75 | 6.83 | 6.83 | -11.30% | 223,789 |
| Jul 25, 2025 | 7.98 | 8.00 | 7.47 | 7.70 | 7.70 | -4.38% | 225,948 |
| Jul 24, 2025 | 8.28 | 8.65 | 7.75 | 8.05 | 8.05 | -20.58% | 371,956 |
| Jul 23, 2025 | 9.40 | 10.25 | 9.32 | 10.14 | 10.14 | 11.51% | 164,683 |
| Jul 22, 2025 | 9.00 | 9.20 | 8.63 | 9.09 | 9.09 | 1.22% | 41,047 |
| Jul 21, 2025 | 9.05 | 9.25 | 8.95 | 8.98 | 8.98 | 1.85% | 71,105 |
| Jul 18, 2025 | 9.19 | 9.33 | 8.62 | 8.82 | 8.82 | -2.90% | 59,628 |
| Jul 17, 2025 | 8.50 | 9.44 | 8.48 | 9.08 | 9.08 | 7.07% | 114,388 |
| Jul 16, 2025 | 8.03 | 8.75 | 8.03 | 8.48 | 8.48 | 4.05% | 41,285 |
| Jul 15, 2025 | 8.56 | 8.58 | 8.05 | 8.15 | 8.15 | -4.92% | 56,006 |
| Jul 14, 2025 | 8.78 | 8.89 | 8.25 | 8.58 | 8.58 | -0.27% | 53,666 |
| Jul 11, 2025 | 9.75 | 9.75 | 8.53 | 8.60 | 8.60 | -9.49% | 181,260 |
| Jul 10, 2025 | 8.65 | 9.74 | 8.40 | 9.50 | 9.50 | 12.69% | 254,996 |
| Jul 9, 2025 | 8.24 | 8.64 | 8.18 | 8.43 | 8.43 | 3.12% | 124,569 |