---
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/285396067.md"
description: "MannKind shares are trading higher after the company announced that its development of a dry powder inhalation version of ralinepag with United Therapeutics will yield milestone payments and royalties."
datetime: "2026-05-06T14:16:07.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/285396067.md)
  - [en](https://longbridge.com/en/news/285396067.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/285396067.md)
---

# 

MannKind shares are trading higher after the company announced that its development of a dry powder inhalation version of ralinepag with United Therapeutics will yield milestone payments and royalties.

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