Mersana Therapeutics, Inc. Stock: price and directors' dealings · United States · SEC (Form 4)Follow the Mersana Therapeutics, Inc. share price and the full management transaction log of the company, a listed equity based in United States. Shares are listed on the US market, under the oversight of SEC (Form 4). Operating in the Healthcare & Pharma sector, Mersana Therapeutics, Inc. has logged 107 insider filings. The latest transaction was disclosed on 6 January 2026 (U). Among the most active insiders: Lowinger Timothy B. All data is free.
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Last declaration on 6 January 2026
All Executives107 Thresholds0 Prospectus0 Other0
Declarations 107 total
● Director · Executives · 6 Jan 2026
578 shares Common Stock SEC:0001104659-26-001377:0
● Director · Executives · 6 Jan 2026
84 shares Common Stock SEC:0001104659-26-001377:1
● VP, Chief Accounting Officer · Executives · 6 Jan 2026
2,300 shares Common Stock SEC:0001104659-26-001375:0
● Director · Executives · 6 Jan 2026
6,721 shares Common Stock SEC:0001104659-26-001374:0
● SVP, Chief Sci.&Tech. Officer · Executives · 6 Jan 2026
10,466 shares Common Stock SEC:0001104659-26-001371:0
● Director · Executives · 6 Jan 2026
23,546 shares Common Stock SEC:0001104659-26-001368:0
● SVP, COO & CFO · Executives · 6 Jan 2026
5,015 shares Common Stock SEC:0001104659-26-001365:0
● Director · Executives · 6 Jan 2026
578 shares Common Stock SEC:0001193125-26-004925:0
● Director · Executives · 6 Jan 2026
578 shares Common Stock SEC:0001104659-26-001389:0
● Director · Executives · 6 Jan 2026
578 shares Common Stock SEC:0001104659-26-001385:0
● Director · Executives · 6 Jan 2026
1,567 shares Common Stock SEC:0001104659-26-001382:0
● SVP, Chief Legal Officer · Executives · 6 Jan 2026
3,131 shares Common Stock SEC:0001104659-26-001380:0
● SVP, Chief Development · Executives · 6 Jan 2026
2,927 shares Common Stock SEC:0001104659-26-001379:0
● President, CEO · Executives · 6 Jan 2026
9,573 shares Common Stock SEC:0001104659-26-001376:0
▼ SVP, Chief Development Officer · Executives · 27 Oct 2025
77 shares @ US$9.90 16.5% of flow Common Stock SEC:0001104659-25-103170:1
◇ SVP, Chief Development Officer · Executives · 25 Oct 2025
250 shares 0Common Stock SEC:0001104659-25-103170:0
◇ President, CEO · Executives · 11 Sept 2025
6,670 shares 0Common Stock SEC:0001104659-25-090026:0
◇ SVP, COO & CFO · Executives · 15 Jan 2025
6,250 shares 0Common Stock SEC:0001104659-25-004592:0
◇ SVP, Chief Legal Officer · Executives · 15 Jan 2025
12,500 shares 0Common Stock SEC:0001104659-25-004591:0
◇ SVP, Chief Development Officer · Executives · 15 Jan 2025
14,583 shares 0Common Stock SEC:0001104659-25-004590:0
◇ SVP, Chief Sci.&Tech. Officer · Executives · 15 Jan 2025
7,291 shares 0Common Stock SEC:0001104659-25-004595:0
◇ VP, Chief Accounting Officer · Executives · 15 Jan 2025
4,519 shares 0Common Stock SEC:0001104659-25-004597:0
◇ Director · Executives · 15 Jan 2025
21,250 shares 0Common Stock SEC:0001104659-25-004596:0
◇ President, CEO · Executives · 15 Jan 2025
11,062 shares 0Common Stock SEC:0001104659-25-004593:0
◇ SVP, Chief Legal Officer · Executives · 14 Jan 2025
2,500 shares 0Common Stock SEC:0001104659-25-004180:0
25 of 107 declarations
Load more (82 remaining) 关于 Mersana Therapeutics, Inc. Mersana Therapeutics, Inc.(股票代码:MRSN)是一家在美国纳斯达克上市的美国生物制药公司。对于法语投资者而言,它最好被视为一家临床阶段的生物技术公司,具有该行业常见的特点:高研发强度、二元临床结果风险、潜在稀释以及距离经常性商业盈利能力尚远的商业模式。该公司总部位于马萨诸塞州剑桥,成立于2001年。其核心战略围绕抗体偶联药物(ADCs),这是一类靶向肿瘤疗法,旨在比传统化疗更选择性地将细胞毒性有效载荷递送至癌细胞。因此,Mersana 的定位是高未满足需求癌症领域的专家,利用专有平台而非广泛的商业基础设施。([stockanalysis.com](https://stockanalysis.com/stocks/mrsn/company/?utm_source=openai))
从商业角度来看,Mersana 已从一家早期研究公司发展成为一家专注于临床的生物技术公司,拥有少量主要资产。其最引人注目的项目是 Emi-Le(emiltatug ledadotin, XMT-1660),一种靶向 B7-H4 的 Dolasynthen ADC,以及 XMT-2056,一种靶向 HER2 的 Immunosynthen ADC。该公司的差异化在于其技术栈,包括 Dolasynthen 和 Immunosynthen 平台,旨在支持设计更具选择性且可能耐受性更好的 ADC。换句话说,Mersana 尚未从已上市产品中获得价值;其投资案例取决于成功的临床开发、监管进展以及将平台科学转化为有吸引力的肿瘤候选药物的能力。([ir.mersana.com](https://ir.mersana.com/news-releases/news-release-details/mersana-therapeutics-announces-positive-initial-clinical-data?utm_source=openai))
在竞争方面,Mersana 活跃于肿瘤学领域最拥挤且战略上最重要的领域之一。ADC 吸引了大型制药集团和专业生物技术同行的大量关注,因此 Mersana 的优势不在于规模,而在于靶点选择和平台差异化。尽管如此,该公司已取得显著进展:它报告了 XMT-1660 和 XMT-2056 的临床更新,并披露了与 GSK 围绕 XMT-2056 的合作活动,包括2025年7月的一笔15 million美元的开发里程碑付款。这些数据点很重要,因为它们为平台提供了外部验证,同时也强化了公司对合作经济和管线执行的依赖。([ir.mersana.com](https://ir.mersana.com/news-releases/news-release-details/mersana-therapeutics-provides-business-update-and-announces-12?utm_source=openai))
近期头条新闻也突出了该故事的融资和上市风险维度。2025年9月,Mersana 披露收到纳斯达克关于上市公司证券最低市值要求不合规的通知,同时声明其普通股继续在纳斯达克全球精选市场交易,股票代码为 MRSN。该公司还继续筹集资金并向投资者更新临床进展,这表明其开发路径资本密集,需要保留选择权。对于欧洲投资者而言,MRSN 仍然是一个高风险、高波动性的肿瘤学股票:其上涨空间与 ADC 管线的科学和临床成功相关,但近期叙事同样受到融资需求、纳斯达克合规考量以及未来数据发布时间的影响。([ir.mersana.com](https://ir.mersana.com/static-files/501562f1-57b8-4b11-8522-c194a5cc58f6?utm_source=openai))