Mersana Therapeutics, Inc. (MRSN)
NASDAQ: MRSN · Real-Time Price · USD
9.30
-0.26 (-2.72%)
Oct 30, 2025, 4:00 PM EDT - Market closed
Mersana Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 30, 2025 | 9.49 | 9.61 | 9.24 | 9.30 | 9.30 | -2.72% | 26,107 |
| Oct 29, 2025 | 9.95 | 10.03 | 9.54 | 9.56 | 9.56 | -6.55% | 29,230 |
| Oct 28, 2025 | 10.53 | 10.60 | 10.10 | 10.23 | 10.23 | -3.40% | 35,186 |
| Oct 27, 2025 | 9.90 | 10.64 | 9.87 | 10.59 | 10.59 | 8.28% | 54,585 |
| Oct 24, 2025 | 9.82 | 9.94 | 9.50 | 9.78 | 9.78 | -0.41% | 30,493 |
| Oct 23, 2025 | 9.19 | 9.87 | 8.99 | 9.82 | 9.82 | 6.86% | 26,667 |
| Oct 22, 2025 | 9.99 | 9.99 | 8.76 | 9.19 | 9.19 | -8.56% | 88,769 |
| Oct 21, 2025 | 10.27 | 10.51 | 10.02 | 10.05 | 10.05 | -3.55% | 15,575 |
| Oct 20, 2025 | 9.92 | 10.42 | 9.92 | 10.42 | 10.42 | 5.47% | 38,791 |
| Oct 17, 2025 | 10.54 | 10.77 | 9.71 | 9.88 | 9.88 | -6.22% | 69,731 |
| Oct 16, 2025 | 10.53 | 11.09 | 10.39 | 10.54 | 10.54 | 0.05% | 99,387 |
| Oct 15, 2025 | 10.32 | 11.15 | 9.59 | 10.53 | 10.53 | 2.23% | 115,475 |
| Oct 14, 2025 | 9.75 | 10.30 | 9.55 | 10.30 | 10.30 | 3.94% | 47,661 |
| Oct 13, 2025 | 9.28 | 10.32 | 9.24 | 9.91 | 9.91 | 7.25% | 184,052 |
| Oct 10, 2025 | 9.11 | 9.28 | 8.75 | 9.24 | 9.24 | 1.87% | 70,506 |
| Oct 9, 2025 | 9.50 | 9.50 | 8.63 | 9.07 | 9.07 | -3.92% | 112,761 |
| Oct 8, 2025 | 8.07 | 9.50 | 7.83 | 9.44 | 9.44 | 18.59% | 183,499 |
| Oct 7, 2025 | 8.23 | 8.23 | 7.85 | 7.96 | 7.96 | -2.93% | 38,827 |
| Oct 6, 2025 | 8.35 | 8.35 | 8.07 | 8.20 | 8.20 | -0.97% | 32,734 |
| Oct 3, 2025 | 8.00 | 8.28 | 8.00 | 8.28 | 8.28 | 3.50% | 75,600 |
| Oct 2, 2025 | 8.00 | 8.05 | 7.63 | 8.00 | 8.00 | 0.76% | 27,085 |
| Oct 1, 2025 | 7.71 | 7.96 | 7.68 | 7.94 | 7.94 | 2.32% | 35,132 |
| Sep 30, 2025 | 7.79 | 8.22 | 7.48 | 7.76 | 7.76 | -0.39% | 51,516 |
| Sep 29, 2025 | 7.54 | 7.90 | 7.37 | 7.79 | 7.79 | 2.91% | 39,046 |
| Sep 26, 2025 | 7.22 | 7.57 | 7.13 | 7.57 | 7.57 | 5.58% | 39,810 |
| Sep 25, 2025 | 7.20 | 7.39 | 7.05 | 7.17 | 7.17 | -1.51% | 32,725 |
| Sep 24, 2025 | 7.37 | 7.47 | 7.19 | 7.28 | 7.28 | -0.82% | 31,536 |
| Sep 23, 2025 | 7.38 | 7.54 | 7.23 | 7.34 | 7.34 | -0.14% | 64,409 |
| Sep 22, 2025 | 7.17 | 7.36 | 6.87 | 7.35 | 7.35 | 1.38% | 43,084 |
| Sep 19, 2025 | 7.39 | 7.40 | 7.04 | 7.25 | 7.25 | -1.36% | 75,611 |
| Sep 18, 2025 | 7.17 | 7.40 | 7.09 | 7.35 | 7.35 | 2.80% | 36,826 |
| 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 |