---
title: "Dyne Therapeutics closes upsized public offering of 21,045,000 shares at $20.5 each"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/293663368.md"
description: "Dyne Therapeutics closed an upsized public offering of 21,045,000 common shares at $20.5 each, including 2,745,000 shares from the underwriters' full exercise of their option. The gross proceeds totaled approximately USD 431.4 million before discounts and expenses. Morgan Stanley, Jefferies, Evercore ISI, LifeSci Capital, and Raymond James served as bookrunners for the transaction."
datetime: "2026-07-23T20:29:10.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/293663368.md)
  - [en](https://longbridge.com/en/news/293663368.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/293663368.md)
---

# Dyne Therapeutics closes upsized public offering of 21,045,000 shares at $20.5 each

-   Dyne Therapeutics closed an upsized underwritten follow-on offering of 21,045,000 common shares at USD 20.5 each. \* Offering included 2,745,000 shares from full exercise of the underwriters’ option to purchase additional shares. \* Gross proceeds totaled about USD 431.4 million, before underwriting discounts, commissions, and offering expenses. \* Morgan Stanley, Jefferies, Evercore ISI, LifeSci Capital, and Raymond James served as bookrunners. 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. Dyne Therapeutics Inc. published the original content used to generate this news brief on July 23, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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