Protagonist Therapeutics, Inc Stock: price and insider trades · United States · SEC (Form 4)Track the Protagonist Therapeutics, Inc stock price and the full insider trade history of the company, a listed equity based in United States. Shares are quoted on the US market, under the supervision of SEC (Form 4). Operating in the Healthcare & Pharma sector, Protagonist Therapeutics, Inc has published 119 reports. Market capitalisation: €9.6bn. The latest transaction was reported on 8 September 2026 (Don). Among the most active insiders: PATEL DINESH V PH D. The full history is free.
Analyst consensus: bullish or bearish? Analysts rate Protagonist Therapeutics, Inc Strong Buy (bullish), based on 13 analysts. Average price target: US$170.38.
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 8 September 2026
All Executives119 Thresholds0 Prospectus0 Other0
Declarations 119 total
● President and CEO · Executives · 3 Sept 2026
510 shares 0Common Stock SEC:0001104659-26-105955:0
◇ President and CEO · Executives · 10 Aug 2026
65,761 shares @ US$21.58 0.015% mcap 4.3% of flow Common Stock SEC:0001104659-26-095111:0
◇ President and CEO · Executives · 11 Aug 2026
34,239 shares @ US$21.58 0.0078% mcap 2.3% of flow Common Stock SEC:0001104659-26-095111:2
▼ President and CEO · Executives · 11 Aug 2026
34,239 shares @ US$148.52 0.054% mcap 15.5% of flow Common Stock SEC:0001104659-26-095111:3
▼ President and CEO · Executives · 10 Aug 2026
65,761 shares @ US$149.11 0.10% mcap 29.9% of flow Common Stock SEC:0001104659-26-095111:1
◇ President and CEO · Executives · 12 May 2026
75,000 shares @ US$21.58 0.016% mcap 32.5% of flow Common Stock SEC:0001104659-26-061476:0
● President and CEO · Executives · 23 Apr 2026
1,460 shares 0Common Stock SEC:0001104659-26-048572:0
▼ Chief Financial Officer · Executives · 20 Apr 2026
1,750 shares @ US$105.47 0.0018% mcap 3.6% of flow Common Stock SEC:0001104659-26-046110:0
◇ Chief Medical Officer · Executives · 26 Mar 2026
15,000 shares @ US$8.04 11.1% of flow Common Stock SEC:0001104659-26-036319:0
◇ Chief Financial Officer · Executives · 26 Mar 2026
19,500 shares @ US$19.19 6.8% of flow Common Stock SEC:0001104659-26-036317:0
◇ Director · Executives · 26 Mar 2026
24,000 shares @ US$12.88 90.8% of flow Common Stock SEC:0001104659-26-036318:0
● President and CEO · Executives · 23 Mar 2026
50,000 shares 0Common Stock SEC:0001104659-26-034736:0
◇ Director · Executives · 17 Feb 2026
18,000 shares @ US$10.84 100.0% of flow Common Stock SEC:0001104659-26-017176:0
◇ Director · Executives · 6 Feb 2026
20,000 shares @ US$8.31 11.0% of flow Common Stock SEC:0001104659-26-011575:0
● President and CEO · Executives · 23 Jan 2026
6,000 shares 0Common Stock SEC:0001104659-26-007129:0
◇ Chief Financial Officer · Executives · 27 Jan 2026
16,000 shares @ US$19.19 5.9% of flow Common Stock SEC:0001104659-26-007128:0
◇ Chief Financial Officer · Executives · 27 Jan 2026
12,000 shares @ US$12.17 2.8% of flow Common Stock SEC:0001104659-26-007128:1
▼ Chief Financial Officer · Executives · 27 Jan 2026
28,000 shares @ US$83.13 44.4% of flow Common Stock SEC:0001104659-26-007128:2
▼ Chief Medical Officer · Executives · 23 Jan 2026
13,151 shares @ US$82.42 33.7% of flow Common Stock SEC:0001104659-26-007127:0
▼ Chief Financial Officer · Executives · 27 Jan 2026
18,203 shares @ US$83.14 28.9% of flow Common Stock SEC:0001104659-26-007128:3
▼ Chief Medical Officer · Executives · 20 Jan 2026
9,514 shares @ US$82.48 24.7% of flow Common Stock SEC:0001104659-26-005443:0
▼ President and CEO · Executives · 20 Jan 2026
34,438 shares @ US$82.48 18.0% of flow Common Stock SEC:0001104659-26-005442:0
▼ Chief Financial Officer · Executives · 20 Jan 2026
8,588 shares @ US$82.48 11.4% of flow Common Stock SEC:0001104659-26-005440:0
◇ Director · Executives · 9 Jan 2026
14,299 shares @ US$4.21 14.9% of flow Common Stock SEC:0001104659-26-003386:0
◆ Director · Executives · 2 Jan 2026
2,695 shares 0Common Stock SEC:0001104659-26-001479:0
25 of 119 declarations
Load more (94 remaining) 关于 Protagonist Therapeutics, Inc Protagonist Therapeutics, Inc. 是一家在美国纳斯达克(NYSE/NASDAQ 市场)上市的生物制药公司,总部位于美国硅谷纽瓦克。该公司围绕一个基于肽的发现平台建立,旨在设计结构受限的治疗性肽,这些肽可以保留生物制剂相关的选择性和效力,同时提供在某些情况下可能比传统抗体项目更实用的开发概况。对于股权投资者而言,Protagonist 最好被视为一家处于开发阶段的生物技术公司:其估值主要由临床、监管和合作里程碑驱动,而非成熟产品收入。([sec.gov](https://www.sec.gov/Archives/edgar/data/1377121/000110465926019696/ptgx-20251231x10k.htm?utm_source=openai))
历史上,Protagonist 专注于将其专有科学转化为针对生物学验证靶点的候选药物。其战略结合了内部研发和选择性合作,使公司能够推进高价值资产,同时通过许可经济学保留选择权。该公司还称自己具有全球业务足迹,在纽瓦克和澳大利亚布里斯班均有运营,这反映了其执行模式并非纯粹的国内模式,尽管其公司总部和股票市场上市地都在美国。([protagonist-inc.com](https://www.protagonist-inc.com/locations?utm_source=openai))
核心业务线集中在免疫学、炎症以及选定的血液学/代谢机会。最先进的项目是 rusfertide,一种正被开发用于治疗真性红细胞增多症 (PV) 的铁调素功能模拟物。根据最近的 SEC 文件和公司更新,新药申请已于 2025 年提交,该项目于 2026 年处于优先审查阶段。Protagonist 还通过 PN-8047(一种口服铁调素模拟物)、PN-477 和 PN-458 等肥胖资产,以及用于特应性皮炎和中度至重度哮喘的口服 IL-4R α 拮抗剂,扩大了其临床前管线。([sec.gov](https://www.sec.gov/Archives/edgar/data/1377121/000110465926055661/ptgx-20260331x10q.htm?utm_source=openai))
在竞争方面,Protagonist 并非一家大型商业制药公司;相反,其竞争地位取决于科学差异化、其肽平台的新颖性以及将管线进展转化为合作价值的能力。这就是为什么合作对投资案例如此重要。该公司与武田和强生公司的合作使其能够获得潜在的里程碑付款、特许权使用费和商业经济效益,同时降低了一些开发风险。2026 年,该公司披露了与 icotytde 获得 FDA 批准相关的 50 million 美元里程碑付款,并且还行使其权利,选择退出与武田就 rusfertide 达成的美国利润分成结构,将该资产的未来经济效益重塑为基于特许权使用费的模式。([sec.gov](https://www.sec.gov/Archives/edgar/data/1377121/000110465926055661/ptgx-20260331x10q.htm?utm_source=openai))
近期新闻强调了其催化剂丰富的概况。Protagonist 于 2026 年 2 月公布了 2025 财年全年业绩,随后于 2026 年 5 月公布了 2026 年第一季度更新。这些发布强调了对发现和开发的持续投资、更大的临床前管线以及 rusfertide 持续的监管进展。对于法国、比利时和瑞士的投资者而言,关键的启示是 PTGX 仍然是一个经典的纳斯达克生物技术故事:高科学选择性、有意义的合作验证以及与美国临床结果和 FDA 决策相关的巨大上行或下行空间。([sec.gov](https://www.sec.gov/Archives/edgar/data/0001377121/000110465926055629/tm2613550d1_ex99-1.htm?utm_source=openai))