MERSANA THERAPEUTICS, INC.

MRSN US59045L1061

🆔
Registration No.
3340388
💰
Capitalization
Small-cap

Mersana Therapeutics Inc is a clinical-stage biopharmaceutical company using its differentiated and proprietary ADC platforms to develop targeted drugs with increased tolerability and expanded opportunities to deliver meaningful clinical benefits to patients. The Company's early stage programs includes XMT-1660, a Dolasynthen ADC targeting B7-H4, as well as XMT-2056, a STING agonist ADC developed using the Company's Immunosynthen platform and targeting a novel epitope of human epidermal growth factor receptor 2. The Company also has two earlier stage preclinical candidates, XMT-2068 and XMT-2175, both of which leverage the Company's Immunosynthen platform and target tumor-associated antigens.

Annual Performance 1
2021 2022 2023 2024 2025
-77% -9% -60% -37% -1%
Annual Insiders Turnover, USD 2

1 annual and historical performance metrics are recalculated on a daily basis;
2 represents the total value of insider transactions (both buying and selling);

Insider Activity
📊
Transactions
39
🙍
Insiders
8
Person Price Shares Total Published Completed
Huber Martin H. Jr.
CEO
7.31
USD
2,012
Sold
14,708
USD
11/09/2025 12/09/2025
Huber Martin H. Jr.
CEO
0.58
USD
4,514
Sold
2,618
USD
15/01/2025 16/01/2025
Lowinger Timothy B
VP
0.58
USD
8,048
Sold
4,668
USD
15/01/2025 16/01/2025
Protopapas Anna
O
0.58
USD
8,637
Sold
5,009
USD
15/01/2025 16/01/2025
Deschuytner Brian
VP
0.58
USD
8,470
Sold
4,913
USD
15/01/2025 16/01/2025
Carvajal Alejandra
VP
0.58
USD
5,096
Sold
2,956
USD
15/01/2025 16/01/2025
Bala Mohan
VP
0.58
USD
5,939
Sold
3,445
USD
15/01/2025 16/01/2025
Mandelia Ashish
CCO
0.58
USD
3,554
Sold
2,061
USD
15/01/2025 16/01/2025
Lowinger Timothy B
VP
0.63
USD
1,794
Sold
1,130
USD
14/01/2025 15/01/2025
Deschuytner Brian
VP
0.63
USD
2,331
Sold
1,469
USD
14/01/2025 15/01/2025

Integrated EOD Stock Data and Insider Transactions Chart

Sign in or subscribe to include MERSANA THERAPEUTICS, INC. to your watchlist and receive automatic alerts for upcoming transactions.

The visibility of insider buy and sell transactions on this chart should not be the sole factor in your decision to buy or sell a particular stock. Always consider the following dynamic reports for a broader understanding of stock market activities:

 

Historical Performance
1M 3M 6M 1Y 3Y 5Y All Time
-32% -32% -72% -55% -93% -92% -90%
Last 52W Low 52W High All-Time Low All-Time High β
8.20 0.26 8.28 0.26 27.59
Company Insiders
Person / Entity Transactions Turnover, USD Average, USD First Last
Protopapas Anna 5 175,864.81 35,172.96 16/01/2024 16/01/2025
Huber Martin H. Jr. 3 106,070.32 35,356.77 12/09/2024 12/09/2025
Lowinger Timothy B 6 63,455.31 10,575.89 16/01/2024 16/01/2025
Deschuytner Brian 6 61,257.96 10,209.66 16/01/2024 16/01/2025
Bala Mohan 6 45,619.29 7,603.22 16/01/2024 16/01/2025
Carvajal Alejandra 6 44,775.83 7,462.64 16/01/2024 16/01/2025
Mandelia Ashish 6 33,769.58 5,628.26 16/01/2024 16/01/2025
Misra Tushar 1 9,097.47 9,097.47 16/01/2024 16/01/2024

Insiders marked in yellow represent long-term insiders. These are individuals who have engaged in transactions for over 3 years and have conducted at least 10 transactions or reached a cumulative turnover of $1M USD. When examining transaction clusters, we prioritize those conducted by long-term insiders for analysis.

Stock Advanced Metrics
Delta Correlation subscribe 🔒
Upper Bound of Standardized Transaction Amount (ubsta), USD 4 subscribe 🔒

4 represents the maximum expected transaction amount for a company's insiders, calculated based on historical data. It provides insight into the typical range of insider transaction amounts and helps in identifying unusually large transactions.

5 a proprietary metric reflecting the consistency of insider trading behavior within a company. A higher discipline index suggests more regular and predictable insider transactions.