GB Gritstone bio, Inc. Stock: price and insider trades · United States · SEC (Form 4)Track the Gritstone bio, Inc. share price and the full insider trade history of the company, a listed equity based in United States. Shares trade on the US market, under the supervision of SEC (Form 4). Operating in the Healthcare & Pharma sector, Gritstone bio, Inc. has recorded 50 insider filings. The latest transaction was filed on 8 April 2025 (J). Among the most active insiders: Jones Erin. Every trade is accessible without an account.
€183,184
2 ops.
Sell Volume
Buys €21,197 €183,184 Sells
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.
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Last declaration on 8 April 2025
All Executives50 Thresholds0 Prospectus0 Other0
Declarations 50 total
● Director · Executives · 4 Apr 2025
25,000 shares 0Common Stock SEC:0001415889-25-010435:0
● SVP, CHIEF ACCOUNTING OFFICER · Executives · 4 Apr 2025
155,123 shares 0Common Stock SEC:0001415889-25-010440:0
● EVP, CHIEF FINANCIAL OFFICER · Executives · 4 Apr 2025
250,437 shares 0Common Stock SEC:0001415889-25-010441:0
▼ EVP, CHIEF FINANCIAL OFFICER · Executives · 18 Dec 2024
12,000 shares @ US$0.015 0.8% of flow Common Stock SEC:0001415889-24-029968:0
● PRESIDENT AND CEO · Executives · 24 Jun 2024
325,000 shares 0Common Stock SEC:0001415889-24-018275:0
◆ EVP, CHIEF FINANCIAL OFFICER · Executives · 15 May 2024
27,128 shares 0Common Stock SEC:0001415889-24-013653:0
◆ EVP, CHIEF BUSINESS OFFICER · Executives · 15 May 2024
19,149 shares 0Common Stock SEC:0001415889-24-013654:0
◆ SVP, CHIEF ACCOUNTING OFFICER · Executives · 3 May 2024
10,800 shares 0Common Stock SEC:0001415889-24-013652:0
◆ PRESIDENT AND CEO · Executives · 15 May 2024
47,873 shares 0Common Stock SEC:0001415889-24-013657:0
◆ EVP, CHIEF OPERATING OFFICER · Executives · 15 May 2024
27,128 shares 0Common Stock SEC:0001415889-24-013656:0
◆ SEE REMARKS · Executives · 15 May 2024
27,128 shares 0Common Stock SEC:0001415889-24-013655:0
◆ SVP, CHIEF ACCOUNTING OFFICER · Executives · 1 Feb 2024
18,000 shares 0Common Stock SEC:0001415889-24-002709:0
◆ EVP, CHIEF BUSINESS OFFICER · Executives · 1 Feb 2024
35,000 shares 0Common Stock SEC:0001415889-24-002738:0
◆ EVP, CHIEF OPERATING OFFICER · Executives · 1 Feb 2024
40,000 shares 0Common Stock SEC:0001415889-24-002729:0
◆ PRESIDENT AND CEO · Executives · 1 Feb 2024
105,000 shares 0Common Stock SEC:0001415889-24-002702:0
◆ SEE REMARKS · Executives · 1 Feb 2024
40,000 shares 0Common Stock SEC:0001415889-24-002714:0
◆ EVP, CHIEF FINANCIAL OFFICER · Executives · 1 Feb 2024
35,000 shares 0Common Stock SEC:0001415889-24-002721:0
▲ See Remarks · Executives · 23 May 2023
12,000 shares @ US$1.9024 99.2% of flow Common Stock SEC:0000899243-23-013810:0
Canonical exit: 21 Aug 2023 (T+90) ◆ See Remarks · Executives · 2 Feb 2023
252,763 shares 0Common Stock SEC:0001567619-23-001947:0
◆ See Remarks · Executives · 2 Feb 2023
191,771 shares 0Common Stock SEC:0001567619-23-001945:0
◆ See Remarks · Executives · 2 Feb 2023
179,058 shares 0Common Stock SEC:0001567619-23-001944:0
◆ See Remarks · Executives · 2 Feb 2023
252,845 shares 0Common Stock SEC:0001567619-23-001946:0
◆ Chief Accounting Officer · Executives · 2 Feb 2023
64,515 shares 0Common Stock SEC:0001567619-23-001943:0
◆ President and CEO · Executives · 2 Feb 2023
738,550 shares 0Common Stock SEC:0001567619-23-001941:0
◆ See Remarks · Executives · 31 Jan 2022
27,600 shares 0Common Stock SEC:0001567619-22-008721:0
25 of 50 declarations
Load more (25 remaining) 关于 Gritstone bio, Inc. Gritstone bio, Inc.(股票代码:GRTS)是一家在美国纳斯达克市场上市的生物技术公司。该公司成立于2015年8月,与旧金山湾区的加利福尼亚州埃默里维尔相关联。Gritstone 的业务围绕高度专业化的肿瘤学和免疫学理论构建:开发旨在靶向癌症和传染病的下一代免疫疗法和疫苗。对于股票投资者而言,该公司完全符合临床阶段生物技术领域的特征,在该领域,科学差异化至关重要,但资本密集度、监管执行和融资风险往往具有决定性作用。
在运营方面,Gritstone 专注于基于疫苗和免疫疗法的项目,特别是围绕肿瘤特异性肽-HLA(pMHC)靶点和新抗原导向方法。这种科学定位旨在提高癌症靶向的精确性并支持差异化的免疫反应。该公司还公布了传染病疫苗开发方面的工作,尽管其公开叙述日益强调肿瘤学研发。实际上,Gritstone 是一家平台驱动型生物技术公司,而非商业化阶段的制药公司,这意味着其价值创造主要取决于临床前和临床里程碑、知识产权以及推动候选药物通过开发途径的能力。
该公司的公司历史对投资者而言很重要。它最初于2015年在特拉华州注册成立,并于2021年将其名称从 Gritstone Oncology, Inc. 更改为 Gritstone bio, Inc.,反映了其超越肿瘤学本身的更广泛范围。其地理基地一直与加利福尼亚生物技术生态系统紧密相连,这提供了接近研究人才、风险投资和合作伙伴网络的便利。然而,该公司也经历了严重的财务困境:2024年10月,它在美国申请了破产保护(Chapter 11),并于2025年4月重组为一家更精简的组织,专注于其肿瘤学技术的研发。
从竞争角度来看,Gritstone 在一个竞争激烈且科学要求高的领域运营,其中包括拥有更多财务资源的大型免疫肿瘤学、疫苗和精准医疗开发商。其竞争优势在于其技术重点、利基知识产权和持续的研究产出,包括2025年与专利相关的公告。其劣势同样明显:规模有限、重组历史以及对临床和融资结果的依赖。因此,GRTS 应被视为美国纳斯达克市场上的高风险生物技术公司,其关注点更多在于管线进展、通过Form 4文件报告的内部人活动以及公司重组动态,而非稳定的运营现金流。