Aptose Biosciences Inc. Stock: price and management transactions · United States · SEC (Form 4)Follow the Aptose Biosciences Inc. stock price and the full management transaction log of the company, a publicly traded company based in United States. Shares are quoted on the US market, under the supervision of SEC (Form 4). Operating in the Healthcare & Pharma sector, Aptose Biosciences Inc. has logged 31 reports. Market capitalisation: €4.3m. The latest transaction was reported on 2 July 2026 (Disposition). Among the most active insiders: Rice William G.. The full history is openly available.
€509,078
14 ops.
Buy Volume
€43,307
10 ops.
Sell Volume
Buys €509,078 €43,307 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.
Σ Sigma AI Analysis Fundamental view, insider signal, bull and bear case, synthesis.
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Last declaration on 2 July 2026
All Executives31 Thresholds0 Prospectus0 Other0
Declarations 31 total
17,000 shares Common Shares SEC:0000912282-26-000902:0
244 shares Common Shares SEC:0000912282-26-000893:0
70 shares Common Shares SEC:0000912282-26-000894:0
222 shares Common Shares SEC:0000912282-26-000895:0
22 shares Common Shares SEC:0000912282-26-000895:1
1,122 shares Common Shares SEC:0000912282-26-000896:0
● Chair, President & CEO · Executives · 30 Jun 2026
613,252 shares Common Shares SEC:0000912282-26-000897:0
14 shares Common Shares SEC:0000912282-26-000898:0
33 shares Common Shares SEC:0000912282-26-000900:0
● 3 - 10% Security Holder of Issuer · Executives · 30 Jun 2026
Common Shares TSXSEDI:4742265 ▲ Chair, President & CEO · Executives · 25 Nov 2024
100,000 shares @ US$0.20 10.9% of flow Common Shares SEC:0000912282-24-000829:0
Canonical exit: 23 Feb 2025 (T+90) ▲ Director · Executives · 22 Sept 2023
17,000 shares @ US$3.14 100.0% of flow Common Shares SEC:0000912282-23-000385:0
Canonical exit: 21 Dec 2023 (T+90) ◆ SR VP & Chief Fin. Officer · Executives · 19 Jan 2023
100,000 shares 0Common Shares SEC:0001567619-23-001162:0
◆ Chair, President & CEO · Executives · 19 Jan 2023
150,000 shares 0Common Shares SEC:0001567619-23-001167:0
◆ Sr. VP, Chief Medical Officer · Executives · 19 Jan 2023
100,000 shares 0Common Shares SEC:0001567619-23-001153:0
◆ Chief Commercial Officer · Executives · 19 Jan 2023
100,000 shares 0Common Shares SEC:0001567619-23-001160:0
▲ Chair, President & CEO · Executives · 19 Sept 2022
10,000 shares @ US$0.6834 3.9% of flow Common Shares SEC:0001567619-22-017698:0
Canonical exit: 18 Dec 2022 (T+90) ▲ SR VP & Chief Fin. Officer · Executives · 19 Sept 2022
10,000 shares @ US$0.6775 100.0% of flow Common Shares SEC:0001567619-22-017697:0
Canonical exit: 18 Dec 2022 (T+90) ▲ Chair, President & CEO · Executives · 6 Jun 2022
10,000 shares @ US$0.9681 0.23% mcap 6.1% of flow Common Shares SEC:0001567619-22-012379:0
Canonical exit: 4 Sept 2022 (T+90) ▲ Director · Executives · 20 Dec 2021
10,000 shares @ US$1.449 0.33% mcap 19.9% of flow Common Shares SEC:0001567619-21-022365:0
Canonical exit: 20 Mar 2022 (T+90) ▲ Director · Executives · 16 Dec 2021
50,000 shares @ US$1.37 1.54% mcap 16.5% of flow Common Shares SEC:0001567619-21-022331:0
Canonical exit: 16 Mar 2022 (T+90) ▲ Chair, President & CEO · Executives · 16 Dec 2021
13,183 shares @ US$1.52 0.45% mcap 11.9% of flow Common Shares SEC:0001567619-21-022227:0
Canonical exit: 16 Mar 2022 (T+90) ▲ Director · Executives · 15 Dec 2021
120,000 shares @ US$1.159 3.13% mcap 33.5% of flow Common Shares SEC:0001567619-21-022229:0
Canonical exit: 15 Mar 2022 (T+90) ▲ Chair, President & CEO · Executives · 15 Dec 2021
17,822 shares @ US$1.12 0.45% mcap 11.9% of flow Common Shares SEC:0001567619-21-022080:0
Canonical exit: 15 Mar 2022 (T+90) ▲ Chair, President & CEO · Executives · 26 Nov 2021
8,643 shares @ US$2.31 0.45% mcap 11.9% of flow Common Shares SEC:0001567619-21-021215:0
Canonical exit: 24 Feb 2022 (T+90) 25 of 31 declarations
Load more (6 remaining) 关于 Aptose Biosciences Inc. Aptose Biosciences Inc. 是一家临床阶段的生物技术公司,专注于肿瘤学,特别是血液系统恶性肿瘤。就市场背景而言,APTOF 所指的证券在美国 OTC 市场报价,而该公司也曾以 APTO 的代码在纳斯达克上市;实际上,投资者通常将 Aptose 视为一家面向美国的、在美加两国开展跨境业务的小盘生物技术公司。该公司称其行政办公室设在多伦多,运营业务设在圣地亚哥,这进一步巩固了其在北美的业务足迹。([aptose.com](https://www.aptose.com/contact?utm_source=openai))
Aptose 的商业模式直接但风险高:它致力于开发差异化的口服小分子疗法,旨在解决血液癌症中未满足的医疗需求。该公司目前的核心管线围绕两种临床阶段资产构建:tuspetinib,一种口服髓系激酶抑制剂;以及 luxeptinib,一种口服双重淋巴/髓系激酶抑制剂。第三种分子 APTO-253 已不再是活跃的临床优先事项。这意味着 Aptose 不是一家多元化的商业生物技术公司;相反,它是一个集中的管线故事,其投资案例由临床验证、融资和合作成果驱动。([aptose.com](https://www.aptose.com/about?utm_source=openai))
在产品方面,tuspetinib 主要用于急性髓系白血病 (AML) 的开发,包括通过 TUS+VEN+AZA 方案在一线联合用于新诊断的 AML 患者。管理层已将 tuspetinib 描述为一种基因型无关的口服抑制剂,有可能改善难治性 AML 患者的预后。Luxeptinib 定位用于 B 细胞恶性肿瘤,如慢性淋巴细胞白血病 (CLL)、小淋巴细胞淋巴瘤 (SLL) 和某些非霍奇金淋巴瘤,同时也在髓系肿瘤中进行评估。其战略逻辑是靶向与耐药性和复发相关的通路,同时保持可耐受的安全性,以支持联合治疗。([aptose.com](https://www.aptose.com/product-pipeline/hm43239?utm_source=openai))
竞争定位仍然充满挑战。Aptose 在竞争激烈的肿瘤市场中运营,其中大型生物制药公司和资金更充足的生物技术公司争夺相同的疾病领域。该公司的差异化论点不是规模,而是科学重点:旨在解决耐药机制并支持联合治疗方案而无重叠毒性的小分子。尽管如此,其商业护城河仍是理论上的,因为它尚未达到上市产品状态。([aptose.com](https://www.aptose.com/about?utm_source=openai))
近期发展尤为重要。在 2025 年末和 2026 年初,Aptose 宣布与韩美制药达成协议,通过一项安排计划进行私有化交易,到 2026 年 3 月,股东已批准该交易,并获得了最终法院批准。该公司还继续报告 tuspetinib 的临床更新,包括 ASH 2025 数据,强调了 AML 的缓解率和耐受性。此外,Aptose 披露了非常有限的现金资源,并依赖韩美的预付款来资助运营,这突显了晚期临床生物技术公司典型的财务脆弱性。([aptose.com](https://www.aptose.com/investors/news-events/press-releases/detail/343/aptose-biosciences-announces-results-of-special?utm_source=openai))
对于欧洲投资者而言,Aptose 应被视为一种投机性生物技术情况,而非一家传统的运营公司。其上行空间取决于临床执行和交易完成,而下行风险则与资金限制、开发风险以及肿瘤药物开发固有的不确定性相关。([aptose.com](https://www.aptose.com/investors/news-events/press-releases/detail/343/aptose-biosciences-announces-results-of-special?utm_source=openai))