Day One Acquires Mersana for $25 per Share, Expanding Oncology Pipeline
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 06 2026
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Source: Globenewswire
- Acquisition Completed: Day One successfully acquired Mersana, paying $25 per share in cash along with a non-tradable contingent value right per share, with potential milestone payments totaling up to $30.25 per CVR, thereby enhancing its strategic positioning in adult oncology.
- Pipeline Expansion: This acquisition adds the innovative antibody-drug conjugate Emi-Le targeting B7-H4 to Day One's clinical pipeline, aimed at treating the rare adenoid cystic carcinoma, addressing a significant unmet medical need in this area.
- Market Response: As of the tender offer expiration, a total of 3,029,135 shares of Mersana were validly tendered, representing 60.57% of outstanding shares, ensuring the smooth completion of the acquisition and further solidifying Day One's market position.
- Strategic Fit: Day One's CEO stated that this acquisition aligns closely with the company's mission, aiming to accelerate the development of new therapies by integrating resources, thereby enhancing its impact on patient communities and achieving sustainable business growth.
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Analyst Views on DAWN
Wall Street analysts forecast DAWN stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for DAWN is 24.13 USD with a low forecast of 16.00 USD and a high forecast of 34.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
9 Analyst Rating
8 Buy
1 Hold
0 Sell
Strong Buy
Current: 11.780
Low
16.00
Averages
24.13
High
34.00
Current: 11.780
Low
16.00
Averages
24.13
High
34.00
About DAWN
Day One Biopharmaceuticals, Inc. is a commercial-stage biopharmaceutical company focused on developing and commercializing targeted therapies for people of all ages with life-threatening diseases. It partners with clinical oncologists, families, and scientists to identify, acquire, and develop cancer treatments. Its commercial product, OJEMDA (tovorafenib), is an oral, brain-penetrant, selective type II rapidly accelerated fibrosarcoma (RAF) kinase inhibitor. OJEMDA is used for the treatment of patients over six months of age and older with relapsed or refractory pLGG harboring a BRAF fusion or rearrangement, or BRAF V600 mutation. Its pipeline product candidates include DAY301 and Emi-Le (emiltatug ledadotin). DAY301 is a novel Antibody Drug Conjugate, or ADC, targeting protein-tyrosine kinase 7, or PTK7. Emi-Le (emiltatug ledadotin) is a novel antibody drug conjugate (ADC) targeting the B7-H4 protein in clinical development to treat the rare cancer adenoid cystic carcinoma (ACC).
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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Day One Biopharmaceuticals Reports $155.4M Revenue for 2025, Projects 53% Growth in 2026
- 2025 Revenue Performance: Day One Biopharmaceuticals reported approximately $52.8 million in net product revenue for OJEMDA in Q4 2025, totaling $155.4 million for the full year, indicating strong market demand and sales capability in the biopharmaceutical sector.
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