As of Apr 11th, 2025, there has been substantial selling of Mersana Therapeutics, Inc. in recent trading

The chart below shows ALL of the short selling each day in MERSANA THERAPEUTICS, INC. (MRSN). We have consolidated the tape of ALL US stock exchanges and dark pools (this means we get the TRADE IDENTIFIER showing whether the trade was a buy, sell or sell short). The data below shows just the short sales each day in your stock. It includes both EXEMPT (market makers) and NON-EXEMPT (everyone else) short sales in MERSANA THERAPEUTICS, INC.. An average of 40.32% of the daily trading in MRSN is short selling. This is abnormally high and implies there is illicit trading taking place in your stock. We run automated surveillance and reporting algorithms that report manipulative market making and short selling (to FINRA, SEC, Whistleblower's Office and Dept of Treasury FINCEN). We then issue FINRA COMPLIANT research to our large user base to counteract this activity that is driving MRSN lower unfairly.

You can find the full report at [ https://www.woprai.com/ ]

Please find the applicable data below, drawn from all major market providers.

Date	Short Volume	Total Volume	Percentage	Squeeze Trigger	$ Value
2025-04-10	1,991,648	3,777,189	52.73	0.276	549,695
2025-04-09	1,022,964	2,662,480	38.42	0.308	315,073
2025-04-08	755,743	1,815,908	41.62	0.316	238,815
2025-04-07	1,660,763	3,504,115	47.39	0.305	506,533
2025-04-04	1,239,566	2,314,686	53.55	0.311	385,505
2025-04-03	1,299,983	2,531,120	51.36	0.317	412,095
2025-04-02	915,953	2,525,245	36.27	0.351	321,500
2025-04-01	1,822,704	3,620,257	50.35	0.343	625,187
2025-03-31	2,606,238	4,058,274	64.22	0.351	914,790
2025-03-28	2,883,949	4,772,083	60.43	0.387	1,116,088
2025-03-27	3,146,859	6,047,082	52.04	0.378	1,189,513
2025-03-26	1,781,419	3,630,590	49.07	0.409	728,600
2025-03-25	946,741	1,676,639	56.47	0.434	410,886
2025-03-24	935,051	2,121,919	44.07	0.431	403,007
2025-03-21	1,823,509	3,553,345	51.32	0.429	782,285
2025-03-20	1,218,785	2,066,098	58.99	0.437	532,609
2025-03-19	1,310,824	3,477,975	37.69	0.447	585,938
2025-03-18	1,153,420	2,573,461	44.82	0.455	524,806
2025-03-17	1,768,220	2,936,690	60.21	0.461	815,149
2025-03-14	1,810,540	3,020,262	59.95	0.467	845,522
2025-03-13	1,378,357	2,802,232	49.19	0.465	640,936
2025-03-12	853,146	2,170,207	39.31	0.504	429,986
2025-03-11	1,324,450	2,654,706	49.89	0.473	626,465
2025-03-10	867,397	2,147,655	40.39	0.52	451,046
2025-03-07	764,461	1,882,637	40.61	0.536	409,751
2025-03-06	1,286,275	2,874,944	44.74	0.524	674,008
2025-03-05	1,240,134	3,607,825	34.37	0.507	628,748
2025-03-04	2,469,676	6,083,707	40.59	0.514	1,269,413
2025-03-03	1,874,853	3,560,383	52.66	0.495	928,052
2025-02-28	2,139,167	3,686,455	58.03	0.493	1,054,609
2025-02-27	1,883,705	3,307,967	56.94	0.518	975,759
2025-02-26	1,801,840	3,458,090	52.11	0.535	963,984
2025-02-25	2,544,290	4,271,477	59.56	0.52	1,323,031
2025-02-24	2,764,251	5,559,783	49.72	0.545	1,506,517
2025-02-21	4,123,051	6,685,977	61.67	0.519	2,140,688
2025-02-20	2,299,706	4,756,597	48.35	0.537	1,234,942
2025-02-19	1,466,895	3,581,307	40.96	0.578	847,865

Total	930,642,915	2,303,109,710	40.41	5.02	4,675,626,982

* Totals include all data records back to 2020-04-13 00:00:00, data set is truncated for viewing.

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As of Apr 11th, 2025, there has been substantial selling of Mersana Therapeutics, Inc. in recent trading