---
title: "Aptose Biosciences deregisters common shares, ends SEC reporting duty"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291402838.md"
description: "Aptose Biosciences filed to deregister its common shares on July 1, 2026, thereby ending its SEC reporting obligations. The filing notes a single record holder as of the notice date, with no other securities remaining subject to ongoing public reporting requirements."
datetime: "2026-07-01T10:52:11.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291402838.md)
  - [en](https://longbridge.com/en/news/291402838.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291402838.md)
---

# Aptose Biosciences deregisters common shares, ends SEC reporting duty

-   Aptose Biosciences filed to deregister its common shares without par value on July 1, 2026. \* The filing indicates one holder of record as of the notice date. \* No other classes of securities remain subject to ongoing public reporting. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Aptose Biosciences Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-291469), on July 01, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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