CS Cassava Sciences INC Stock: price and management transactions · United States · SEC (Form 4)Follow the Cassava Sciences INC stock price and the full directors' dealings record of the company, a listed issuer based in United States. Shares are listed on the US market, under the authority of SEC (Form 4). Operating in the Healthcare & Pharma sector, Cassava Sciences INC has published 36 insider filings. The latest transaction was filed on 25 November 2025 (Acquisition). Among the most active insiders: Barry Richard. All data is free.
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Σ Sigma AI Analysis Fundamental view, insider signal, bull and bear case, synthesis.
AI analysis generation is paused.
Last declaration on 25 November 2025
All Executives36 Thresholds0 Prospectus0 Other0
Declarations 36 total
▲ Director · Executives · 24 Nov 2025
8,600 shares @ US$2.90 100.0% of flow Common Stock SEC:0001437749-25-036321:0
Canonical exit: 22 Feb 2026 (T+90) ▲ President & CEO · Executives · 20 Nov 2025
150,000 shares @ US$2.76 6.7% of flow Common Stock SEC:0001437749-25-036125:0
Canonical exit: 18 Feb 2026 (T+90) ▲ President & CEO · Executives · 19 Nov 2025
73,385 shares @ US$2.75 3.5% of flow Common Stock SEC:0001437749-25-035882:0
Canonical exit: 17 Feb 2026 (T+90) ▲ Chief Operating & Legal Office · Executives · 30 Sept 2025
13,725 shares @ US$2.91 100.0% of flow Common Stock SEC:0001437749-25-030348:0
Canonical exit: 29 Dec 2025 (T+90) ▲ President & CEO · Executives · 22 Sept 2025
7,172 shares @ US$2.28 0.3% of flow Common Stock SEC:0001437749-25-029725:0
Canonical exit: 21 Dec 2025 (T+90) ▲ President & CEO · Executives · 18 Sept 2025
5,400 shares @ US$2.13 0.2% of flow Common Stock SEC:0001437749-25-029586:0
Canonical exit: 17 Dec 2025 (T+90) ▼ Chief Medical Officer · Executives · 29 Nov 2024
4,000 shares @ US$3.87 13.7% of flow Common Stock SEC:0001437749-24-036551:0
◇ Chief Financial Officer · Executives · 29 Nov 2024
50,000 shares @ US$1.18 41.3% of flow Common Stock SEC:0001437749-24-036546:0
● Director · Executives · 16 May 2024
5,000 shares 0Common Stock SEC:0001437749-24-017355:0
◇ Director · Executives · 26 Apr 2024
69,000 shares @ US$22.00 34.4% of flow Common Stock SEC:0001437749-24-013866:0
◇ Director · Executives · 23 Apr 2024
176,085 shares @ US$22.00 75.2% of flow Common Stock SEC:0001437749-24-013144:0
◇ Chief Medical Officer · Executives · 18 Apr 2024
1,500 shares @ US$22.00 29.0% of flow Common Stock SEC:0001437749-24-012643:0
◇ Chief Financial Officer · Executives · 17 Apr 2024
1,500 shares @ US$22.00 22.9% of flow Common Stock SEC:0001437749-24-012331:0
▲ Director · Executives · 23 Aug 2023
30,000 shares @ US$17.45 11.7% of flow Common Stock SEC:0001069530-23-000045:0
Canonical exit: 21 Nov 2023 (T+90) ▲ Director · Executives · 21 Aug 2023
1,906 shares @ US$16.80 0.6% of flow Common Stock SEC:0001069530-23-000043:0
Canonical exit: 19 Nov 2023 (T+90) ◇ Director · Executives · 12 Jun 2023
1,000 shares @ US$0.95 100.0% of flow Common Stock SEC:0001069530-23-000037:0
◇ President and CEO · Executives · 24 May 2023
14,285 shares @ US$16.87 2.8% of flow Common Stock SEC:0001069530-23-000035:0
◇ Director · Executives · 10 May 2023
3,571 shares @ US$19.60 1.5% of flow Common Stock SEC:0001069530-23-000033:0
◇ Director · Executives · 1 May 2023
2,142 shares @ US$16.66 13.1% of flow Common Stock SEC:0001069530-23-000019:0
▲ Director · Executives · 6 Mar 2023
11,565 shares @ US$26.13 5.9% of flow Common Stock SEC:0001069530-23-000011:0
Canonical exit: 4 Jun 2023 (T+90) ◇ Director · Executives · 7 Mar 2023
3,571 shares @ US$16.66 100.0% of flow Common Stock SEC:0001069530-23-000013:0
◇ Chief Medical Officer · Executives · 3 Oct 2022
9,376 shares @ US$0.95 10.6% of flow Common Stock SEC:0001069530-22-000049:0
◇ Director · Executives · 8 Sept 2022
2,802 shares @ US$23.59 1.6% of flow Common Stock SEC:0001069530-22-000043:0
▲ Director · Executives · 23 Aug 2022
36,159 shares @ US$23.79 17.9% of flow Common Stock SEC:0001069530-22-000041:0
Canonical exit: 21 Nov 2022 (T+90) ▲ Chief Clinical Dev. Officer · Executives · 23 Aug 2022
2,500 shares @ US$24.44 57.3% of flow Common Stock SEC:0001069530-22-000039:0
Canonical exit: 21 Nov 2022 (T+90) 25 of 36 declarations
Load more (11 remaining) 关于 Cassava Sciences INC Cassava Sciences Inc. 是一家在美国纳斯达克市场上市的美国生物技术公司,公司总部位于德克萨斯州奥斯汀。对于法国、比利时和瑞士的投资者而言,它最好被视为一家临床阶段的专业生物技术公司,而非商业制药公司。该公司的运营历史围绕着神经退行性疾病和神经系统疾病新疗法的发现和开发,其战略以专有科学和高风险、高回报的临床开发模式为中心。美国证券交易委员会的文件将 Cassava 描述为一家没有获批产品上市的临床阶段生物技术公司,这对于理解其机遇和风险状况至关重要。([sec.gov](https://www.sec.gov/Archives/edgar/data/1069530/000106953023000009/sava-20221231x10k.htm?utm_source=openai))
历史上,Cassava 的主要资产是 simufilam,一种口服小分子候选药物,最初用于阿尔茨海默病痴呆症。该公司的核心投资故事基于一种差异化的机制,专注于稳定关键脑蛋白,而非简单地清除病理蛋白,Cassava 将其定位为潜在的同类首创。随着时间的推移,该公司的产品组合叙事不断演变。2025 年,Cassava 表示打算利用其科学和许可协议,在结节性硬化症 (TSC) 相关癫痫中推进 simufilam,从而超越其最初的阿尔茨海默病重点。该公司目前的管线页面强调了一项计划中的 TSC 相关癫痫开放标签概念验证研究,同时强调了临床前工作和 IND 启用活动。([cassavasciences.com](https://www.cassavasciences.com/pipeline?utm_source=openai))
从竞争角度来看,Cassava 在生物技术领域最具竞争力的领域之一运营。阿尔茨海默病和癫痫药物开发是拥挤的领域,面临来自大型制药公司、专业生物技术公司和学术衍生公司的激烈竞争。因此,Cassava 的相对地位并非由商业规模或市场份额决定,而是由其数据包的感知质量、其机制的新颖性以及其通过监管途径的能力决定。这也意味着该股票对临床里程碑、FDA 互动和融资条件高度敏感。重要的是,该公司已承认其严重依赖 simufilam,并且没有产品批准或产品销售的历史,这突显了投资案例的二元性质。([sec.gov](https://www.sec.gov/Archives/edgar/data/1069530/000143774925005919/sava20241231c_10k.htm?utm_source=openai))
最近的事态发展具有实质性意义。Cassava 在 2025 年报告了中期财务和运营更新,包括围绕其 TSC 项目的业务更新。更重要的是,一份提交给美国证券交易委员会的 8-K 文件披露,FDA 于 2025 年 12 月发布了一封正式信函,对拟议的 TSC 相关癫痫临床试验实施了全面临床暂停,要求提供额外的临床前信息和方案修改。该公司表示,此次暂停推迟了其此前预期的 2026 年上半年启动时间表。对于股票投资者而言,这是一个关键的近期不确定因素,并提醒人们 Cassava 的估值更多地由监管执行和管线选择权驱动,而非当前的商业基本面。([cassavasciences.com](https://www.cassavasciences.com/node/17466/pdf?utm_source=openai))