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Mersana Therapeutics, Inc. — Investor Relations & Filings

Ticker · MRSN ISIN · US59045L1061 LEI · 529900VWD5VDZ7PVOS22 US Manufacturing
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Filings indexed 700 across all filing types
Latest filing 2023-01-19 Director's Dealing
Country US United States of America
Listing US MRSN

About Mersana Therapeutics, Inc.

https://www.mersana.com/

Mersana Therapeutics, Inc. is a clinical-stage company focused on discovering and developing life-changing antibody-drug conjugates (ADCs) for patients fighting cancer. The company utilizes its proprietary and differentiated ADC platforms, which incorporate both cytotoxic and immunostimulatory payloads, to develop its pipeline. These platforms are designed to customize and optimize ADCs, aiming to overcome the limitations of first-generation technologies by improving efficacy and tolerability. Mersana is advancing a portfolio of ADC candidates to address unmet medical needs in oncology.

Recent filings

Filing Released Lang Actions
OWNERSHIP DOCUMENT
Director's Dealing
2023-01-19 English
OWNERSHIP DOCUMENT
Director's Dealing
2023-01-19 English
FORM 8-K
Regulatory Filings Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a Current Report pursuant to the Securities Exchange Act of 1934. It includes preliminary unaudited financial information about cash, cash equivalents, and marketable securities as of December 31, 2022, but explicitly states that the audit is ongoing and the information is preliminary. It also includes a business update, strategic objectives, accomplishments, and expected milestones, as well as a press release furnished as an exhibit. The document does not contain full financial statements or comprehensive financial analysis typical of an Annual Report (10-K) or Interim Report (IR). It is a regulatory filing used to announce material events or updates. Therefore, the appropriate classification is Regulatory Filings (RNS). The document length (13,738 characters) and content confirm it is not a brief announcement but a detailed current report, yet it is not a full financial report. Confidence is high due to the clear identification as a Form 8-K and the nature of the content.
2023-01-06 English
FORM 8-K
Capital/Financing Update Classification · 95% confidence The document is a Form 8-K filed with the SEC, which is a Current Report used to announce major events that shareholders should know about. The content describes a Third Amendment to a Loan and Security Agreement, detailing changes to loan terms and financial obligations. It is not a full financial report like an Annual Report (10-K) or Interim Report (IR), nor is it a transcript, proxy, or governance document. The focus is on financing activity, specifically amendments to loan agreements and related financial obligations. Therefore, this fits the category of Capital/Financing Update (CAP). The document length is about 5171 characters, which is consistent with a detailed 8-K filing. Confidence is high because the document explicitly discusses loan amendments and financial obligations, which are classic capital/financing updates.
2022-12-27 English
FORM 8-K
Regulatory Filings Classification · 100% confidence The document is a Form 8-K filed with the SEC, which is a Current Report pursuant to the Securities Exchange Act of 1934. It reports a material definitive agreement entered into by the company, describing the terms of a collaboration and commercial license agreement. The document includes details about the agreement, payments, milestones, and termination rights. It also references a press release and states that the full agreement will be filed as an exhibit to the company's Annual Report on Form 10-K. The content is typical of a current report disclosing significant events or agreements, not a full financial report or earnings release. Therefore, the document fits the category of Regulatory Filings (RNS), which is the fallback for miscellaneous SEC filings like Form 8-K that do not fit other specific categories.
2022-12-22 English
OWNERSHIP DOCUMENT
Director's Dealing
2022-12-16 English

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