$MRSN: Mersana Therapeutics, Inc. - Common Stock
2025-04-11 MRSN 2025-04-11 16:00:59 0.32 0.28 16.67% MRSN 2025-04-11 17:00:43 0.34 0.27 19.23% MRSN 2025-04-11 19:00:45 0.33 0.27 19.23% MRSN 2025-04-11 20:00:57 0.00 0.00 19.23% 2025-04-14 MRSN 2025-04-14 04:00:52 1.60 0.00 19.23% MRSN 2025-04-14 05:00:47 0.40 0.32 19.23% MRSN 2025-04-14 06:00:57 0.34 0.27 3.85% MRSN 2025-04-14 08:00:59 0.34 0.28 0.00% MRSN 2025-04-14 09:00:48 0.34 0.27 0.00% MRSN 2025-04-14 10:00:58 0.32 0.32 3.85% MRSN 2025-04-14 12:00:57 0.33 0.33 7.69% MRSN 2025-04-14 16:00:53 0.34 0.32 7.69% MRSN 2025-04-14 17:00:45 0.34 0.29 6.45% MRSN 2025-04-14 20:00:51 0.00 0.00 6.45% 2025-04-15 MRSN 2025-04-15 04:00:56 0.79 0.00 6.45% MRSN 2025-04-15 05:00:43 0.43 0.30 6.45% MRSN 2025-04-15 06:00:56 0.38 0.30 0.00% MRSN 2025-04-15 08:01:00 0.38 0.33 0.00% MRSN 2025-04-15 10:00:59 0.37 0.36 12.90% MRSN 2025-04-15 11:00:50 0.38 0.37 16.13% MRSN 2025-04-15 12:00:57 0.37 0.37 12.90% MRSN 2025-04-15 15:00:44 0.36 0.36 9.68% MRSN 2025-04-15 16:00:53 0.40 0.34 6.45% MRSN 2025-04-15 17:00:52 0.39 0.34 6.06% MRSN 2025-04-15 18:00:54 0.43 0.34 6.06% MRSN 2025-04-15 20:00:51 0.00 0.00 6.06% 2025-04-16 MRSN 2025-04-16 04:00:53 1.60 0.00 6.06% MRSN 2025-04-16 05:00:43 0.45 0.35 6.06% MRSN 2025-04-16 06:00:56 0.45 0.35 0.00% MRSN 2025-04-16 07:00:47 0.43 0.35 0.00% MRSN 2025-04-16 08:00:54 0.42 0.35 0.00% MRSN 2025-04-16 09:00:45 0.43 0.35 0.00% MRSN 2025-04-16 10:00:57 0.34 0.34 -3.03% MRSN 2025-04-16 11:00:45 0.33 0.33 -6.06% MRSN 2025-04-16 13:00:40 0.32 0.32 -9.09% MRSN 2025-04-16 16:00:51 0.34 0.32 -3.03% MRSN 2025-04-16 17:00:44 0.37 0.32 -2.86% MRSN 2025-04-16 19:00:43 0.36 0.32 -2.86% MRSN 2025-04-16 20:00:55 0.00 0.00 -2.86% 2025-04-17 MRSN 2025-04-17 04:00:50 1.60 0.00 -2.86% MRSN 2025-04-17 05:00:46 0.39 0.34 -2.86% MRSN 2025-04-17 06:00:57 0.38 0.34 0.00% MRSN 2025-04-17 07:00:46 0.38 0.33 0.00% MRSN 2025-04-17 08:00:52 0.37 0.33 0.00% MRSN 2025-04-17 10:00:56 0.38 0.37 11.43% MRSN 2025-04-17 11:00:44 0.36 0.35 5.71% MRSN 2025-04-17 12:00:52 0.36 0.36 5.71% MRSN 2025-04-17 13:00:42 0.35 0.35 5.71% MRSN 2025-04-17 14:00:51 0.36 0.36 5.71% MRSN 2025-04-17 15:00:39 0.36 0.36 8.57% MRSN 2025-04-17 16:00:53 0.43 0.34 2.86% MRSN 2025-04-17 17:00:43 0.39 0.32 2.94% MRSN 2025-04-17 18:00:50 0.40 0.31 2.94% MRSN 2025-04-17 19:00:45 0.40 0.32 2.94% MRSN 2025-04-17 20:00:54 0.00 0.00 2.94% 2025-04-21 MRSN 2025-04-21 04:00:56 1.60 0.00 2.94% MRSN 2025-04-21 05:00:44 0.39 0.31 2.94% MRSN 2025-04-21 06:00:55 0.39 0.32 2.94% MRSN 2025-04-21 10:00:56 0.34 0.34 -2.94% MRSN 2025-04-21 11:00:48 0.35 0.34 -2.94% MRSN 2025-04-21 12:00:56 0.35 0.35 0.00% MRSN 2025-04-21 13:00:45 0.36 0.36 2.94% MRSN 2025-04-21 14:00:58 0.34 0.34 -2.94% MRSN 2025-04-21 15:00:50 0.35 0.34 0.00% MRSN 2025-04-21 16:00:58 0.43 0.33 -5.88% MRSN 2025-04-21 17:00:44 0.40 0.33 -5.71% MRSN 2025-04-21 19:00:46 0.37 0.33 -5.71% MRSN 2025-04-21 20:00:54 0.00 0.00 -5.71% 2025-04-22 MRSN 2025-04-22 04:00:59 1.60 0.00 -5.71% MRSN 2025-04-22 05:00:47 0.40 0.33 -5.71% MRSN 2025-04-22 07:00:49 0.37 0.33 -5.71% MRSN 2025-04-22 09:00:46 0.44 0.33 -5.71% MRSN 2025-04-22 10:00:58 0.36 0.35 2.86% MRSN 2025-04-22 11:00:48 0.36 0.36 8.57% MRSN 2025-04-22 12:00:57 0.38 0.38 14.29% MRSN 2025-04-22 13:00:53 0.37 0.37 11.43% MRSN 2025-04-22 15:00:47 0.38 0.37 11.43% MRSN 2025-04-22 16:00:52 0.40 0.37 14.29% MRSN 2025-04-22 17:00:49 0.41 0.33 15.15% MRSN 2025-04-22 18:00:59 0.41 0.34 15.15% MRSN 2025-04-22 19:00:55 0.41 0.35 15.15% MRSN 2025-04-22 20:01:04 0.00 0.00 15.15% 2025-04-23 MRSN 2025-04-23 04:01:03 0.79 0.41 15.15% MRSN 2025-04-23 05:00:53 0.43 0.35 9.09% MRSN 2025-04-23 06:01:05 0.44 0.36 9.09% MRSN 2025-04-23 07:00:52 0.43 0.35 6.06% MRSN 2025-04-23 08:00:58 0.43 0.36 6.06% MRSN 2025-04-23 09:00:51 0.43 0.35 6.06% MRSN 2025-04-23 10:01:03 0.40 0.40 6.06% MRSN 2025-04-23 11:00:46 0.43 0.42 12.12% MRSN 2025-04-23 12:01:04 0.38 0.38 0.00% MRSN 2025-04-23 16:01:07 0.39 0.38 3.03% MRSN 2025-04-23 17:00:46 0.42 0.34 2.63% MRSN 2025-04-23 20:00:56 0.00 0.00 2.63% 2025-04-24 MRSN 2025-04-24 04:00:56 0.41 0.00 2.63% MRSN 2025-04-24 05:00:43 0.41 0.34 2.63% MRSN 2025-04-24 06:00:59 0.41 0.36 2.63% MRSN 2025-04-24 10:00:58 0.40 0.39 0.00% MRSN 2025-04-24 11:00:52 0.38 0.38 -2.63% MRSN 2025-04-24 12:00:56 0.39 0.39 0.00% MRSN 2025-04-24 13:00:49 0.39 0.38 0.00% MRSN 2025-04-24 14:00:56 0.38 0.37 -5.26% MRSN 2025-04-24 15:00:47 0.36 0.36 -7.89% MRSN 2025-04-24 16:00:57 0.37 0.35 -7.89% MRSN 2025-04-24 17:00:57 0.39 0.35 -7.69% MRSN 2025-04-24 19:00:44 0.39 0.35 -5.13% MRSN 2025-04-24 20:00:57 0.00 0.00 -5.13% 2025-04-25 MRSN 2025-04-25 04:01:05 0.79 0.00 -5.13% MRSN 2025-04-25 05:00:49 0.39 0.33 -5.13% MRSN 2025-04-25 06:00:57 0.42 0.32 -5.13% MRSN 2025-04-25 07:00:52 0.41 0.33 -5.13% MRSN 2025-04-25 08:01:01 0.41 0.37 2.56% MRSN 2025-04-25 10:00:54 0.36 0.36 0.00% MRSN 2025-04-25 11:00:46 0.37 0.36 2.56% MRSN 2025-04-25 13:00:44 0.36 0.36 0.00% MRSN 2025-04-25 14:00:53 0.35 0.35 -2.56% MRSN 2025-04-25 16:00:52 0.37 0.35 0.00% MRSN 2025-04-25 17:00:45 0.39 0.35 0.00% MRSN 2025-04-25 18:00:57 0.39 0.36 0.00% MRSN 2025-04-25 19:00:48 0.39 0.35 0.00% MRSN 2025-04-25 20:00:56 0.00 0.00 0.00% 2025-04-29 MRSN 2025-04-29 11:04:04 0.36 0.36 -5.56% MRSN 2025-04-29 14:00:44 0.35 0.35 -8.33% MRSN 2025-04-29 16:00:44 0.39 0.34 -2.78% MRSN 2025-04-29 17:00:53 0.37 0.34 -2.78% MRSN 2025-04-29 19:00:52 0.40 0.34 -2.78% MRSN 2025-04-29 20:00:41 0.00 0.00 -2.78% 2025-04-30 MRSN 2025-04-30 04:00:52 1.60 0.00 -2.78% MRSN 2025-04-30 05:00:52 0.38 0.32 -2.78% MRSN 2025-04-30 07:00:49 0.38 0.35 -2.78% MRSN 2025-04-30 08:00:48 0.38 0.32 -2.78% MRSN 2025-04-30 10:00:51 0.35 0.35 -2.78% MRSN 2025-04-30 11:00:48 0.36 0.36 -2.78% MRSN 2025-04-30 12:00:52 0.37 0.37 0.00% MRSN 2025-04-30 13:00:43 0.39 0.38 2.78% MRSN 2025-04-30 14:00:49 0.40 0.40 8.33% MRSN 2025-04-30 15:00:50 0.43 0.43 16.67% MRSN 2025-04-30 16:00:49 0.45 0.40 13.89% MRSN 2025-04-30 17:00:46 0.44 0.43 16.22% MRSN 2025-04-30 18:00:49 0.44 0.39 16.22% MRSN 2025-04-30 20:00:53 0.00 0.00 16.22% 2025-05-01 MRSN 2025-05-01 04:03:19 1.60 0.00 16.22% MRSN 2025-05-01 05:00:45 0.47 0.37 16.22% MRSN 2025-05-01 06:00:58 0.49 0.37 16.22% MRSN 2025-05-01 07:00:42 0.46 0.37 16.22% MRSN 2025-05-01 08:00:59 0.47 0.39 16.22% MRSN 2025-05-01 09:00:46 0.43 0.30 0.00% MRSN 2025-05-01 10:00:55 0.41 0.40 -5.41% MRSN 2025-05-01 11:00:44 0.40 0.40 -8.11% MRSN 2025-05-01 12:00:58 0.39 0.39 -10.81% MRSN 2025-05-01 15:00:44 0.38 0.38 -13.51% MRSN 2025-05-01 16:00:55 0.42 0.38 -8.11% MRSN 2025-05-01 17:00:43 0.40 0.38 -6.98% MRSN 2025-05-01 19:00:46 0.43 0.38 -6.98% MRSN 2025-05-01 20:00:53 0.00 0.00 -6.98% 2025-05-02 MRSN 2025-05-02 04:00:58 1.60 0.00 -6.98% MRSN 2025-05-02 05:00:46 0.43 0.33 -6.98% MRSN 2025-05-02 06:01:07 0.48 0.36 -6.98% MRSN 2025-05-02 07:00:45 0.45 0.40 -6.98% MRSN 2025-05-02 08:00:56 0.45 0.37 -6.98% MRSN 2025-05-02 10:00:53 0.38 0.38 -4.65% MRSN 2025-05-02 11:00:44 0.39 0.39 -2.33% MRSN 2025-05-02 12:00:57 0.38 0.38 -4.65% MRSN 2025-05-02 15:00:47 0.39 0.39 -2.33% MRSN 2025-05-02 16:00:57 0.40 0.39 -2.33% MRSN 2025-05-02 17:00:46 0.40 0.39 0.00% MRSN 2025-05-02 19:00:44 0.40 0.39 -2.50% MRSN 2025-05-02 20:00:59 0.00 0.00 -2.50% 2025-05-05 MRSN 2025-05-05 04:00:56 0.80 0.00 -2.50% MRSN 2025-05-05 05:00:46 0.43 0.38 -2.50% MRSN 2025-05-05 06:00:52 0.44 0.39 -2.50% MRSN 2025-05-05 07:00:51 0.43 0.39 -2.50% MRSN 2025-05-05 08:00:52 0.42 0.38 -2.50% MRSN 2025-05-05 10:00:58 0.37 0.36 -10.00% MRSN 2025-05-05 11:00:43 0.37 0.37 -7.50% MRSN 2025-05-05 12:00:55 0.37 0.36 -10.00% MRSN 2025-05-05 13:00:43 0.37 0.37 -7.50% MRSN 2025-05-05 14:00:56 0.37 0.36 -7.50% MRSN 2025-05-05 15:00:45 0.36 0.36 -10.00% MRSN 2025-05-05 16:00:56 0.37 0.36 -7.50% MRSN 2025-05-05 18:00:51 0.40 0.35 -7.50% MRSN 2025-05-05 20:00:54 0.00 0.00 -7.50% 2025-05-06 MRSN 2025-05-06 04:01:03 1.60 0.00 -7.50% MRSN 2025-05-06 05:00:44 0.45 0.36 -7.50% MRSN 2025-05-06 06:00:56 0.46 0.36 -7.50% MRSN 2025-05-06 07:00:46 0.43 0.35 -7.50% MRSN 2025-05-06 07:11:55 8-K Sec report https://www.sec.gov/Archives/edgar/data/1442836/000110465925044792/0001104659-25-044792-index.htm 8-K - Mersana Therapeutics, Inc. (0001442836) (Filer) MRSN 2025-05-06 08:00:56 0.37 0.35 -2.50% MRSN 2025-05-06 09:00:49 0.36 0.31 -2.50% MRSN 2025-05-06 10:01:01 0.33 0.33 -7.50% MRSN 2025-05-06 11:00:42 0.32 0.31 -12.50% MRSN 2025-05-06 12:00:58 0.33 0.33 -7.50% MRSN 2025-05-06 13:00:45 0.32 0.32 -7.50% MRSN 2025-05-06 14:01:00 0.32 0.32 -10.00% MRSN 2025-05-06 16:00:58 0.37 0.31 -10.00% MRSN 2025-05-06 17:00:47 0.33 0.31 -13.51% MRSN 2025-05-06 19:00:39 0.33 0.31 -8.11% MRSN 2025-05-06 20:00:55 0.00 0.00 -8.11% 2025-05-07 MRSN 2025-05-07 04:00:56 0.40 0.00 -8.11% MRSN 2025-05-07 05:00:49 0.40 0.32 0.00% MRSN 2025-05-07 08:00:56 0.35 0.29 10.81% MRSN 2025-05-07 09:00:48 0.35 0.32 10.81% MRSN 2025-05-07 10:00:53 0.33 0.32 5.41% MRSN 2025-05-07 11:00:43 0.32 0.31 2.70% MRSN 2025-05-07 15:00:48 0.33 0.32 5.41% MRSN 2025-05-07 16:00:52 0.34 0.31 5.41% MRSN 2025-05-07 17:00:45 0.36 0.32 5.41% MRSN 2025-05-07 18:00:47 0.36 0.30 5.41% MRSN 2025-05-07 20:00:52 0.00 0.00 5.41% 2025-05-08 MRSN 2025-05-08 05:00:47 0.50 0.29 5.41% MRSN 2025-05-08 06:00:50 0.38 0.29 5.41% MRSN 2025-05-08 07:00:47 0.38 0.30 5.41% MRSN 2025-05-08 09:00:42 0.37 0.30 5.41% MRSN 2025-05-08 10:00:53 0.33 0.32 2.70% MRSN 2025-05-08 11:00:47 0.33 0.31 0.00% MRSN 2025-05-08 12:00:46 0.34 0.33 5.41% MRSN 2025-05-08 14:00:53 0.33 0.32 2.70% MRSN 2025-05-08 16:00:53 0.35 0.32 5.41% MRSN 2025-05-08 17:00:39 0.38 0.32 6.25% MRSN 2025-05-08 20:00:50 0.00 0.00 6.25% 2025-05-09 MRSN 2025-05-09 05:00:44 0.39 0.33 6.25% MRSN 2025-05-09 06:00:52 0.39 0.34 6.25% MRSN 2025-05-09 07:00:42 0.37 0.32 6.25% MRSN 2025-05-09 10:00:53 0.35 0.33 3.13% MRSN 2025-05-09 11:00:47 0.33 0.32 -3.13% MRSN 2025-05-09 12:00:49 0.32 0.31 -3.13% MRSN 2025-05-09 16:00:54 0.36 0.30 -3.13% MRSN 2025-05-09 20:00:48 0.00 0.00 -3.13%