secwatch.observer — SEC 8-K summary ====================================== Issuer: Mersana Therapeutics, Inc. (—) CIK: 0001442836 Form: 8-K Filed at: 2024-05-09T23:59:59+00:00 Accession: 0001104659-24-059104 Event type: earnings Sentiment: neutral Materiality: 0.65 Item codes: 2.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Mersana Q1 net loss $19.3M ($0.16/shr); XMT-1660 Phase 1 ongoing, XMT-2056 resumed -------------------------------------------------------------------------------- - Net loss of $19.3M ($0.16/shr) vs $56.2M loss ($0.52) in Q1 2023; collaboration revenue $9.2M (up from $7.8M). - Cash, equivalents and securities $183.1M; expects runway into 2026. - XMT-1660 Phase 1 dose escalation continues; MTD not yet reached; initial data and expansion expected H2 2024. - XMT-2056 Phase 1 resumed enrollment after clinical hold lifted; dose escalation planned in 2024. - R&D expenses fell sharply to $18.7M from $47.3M driven by UpRi discontinuation and restructuring. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1442836/000110465924059104/0001104659-24-059104-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1442836/000110465924059104/tm2413939d1_8k.htm HTML page: https://secwatch.observer/filing/0001104659-24-059104 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer