Welcome to our dedicated page for Mersana Therapeutics SEC filings (Ticker: MRSN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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Mersana Therapeutics, Inc. (NASDAQ: MRSN) filed an 8-K to disclose the termination of its October 29, 2021 loan and security agreement with Oxford Finance LLC and other lenders. On July 1, 2025, the company paid approximately $17.9 million, which fully satisfied and discharged all outstanding indebtedness and related obligations under the agreement. As a result, the loan agreement and its related collateral security documents are no longer in effect.
The disclosure was made under Item 1.02 (“Termination of a Material Definitive Agreement”). No other material events, financial results, or operational updates were included in this filing.