Agreement signedPublished 22 Sep 2026

Lexeo Therapeutics, Inc. /
Mantle Therapeutics Inc.

Lexeo Therapeutics, Inc. signed an agreement for Mantle Therapeutics Inc.

Buy side: Lexeo Therapeutics, Inc.
Buy sideLexeo Therapeutics, Inc.
Target: Mantle Therapeutics Inc.
TargetMantle Therapeutics Inc.
Lexeo Therapeutics, Inc. · 22 Sep 2026Source
Buy side: Lexeo Therapeutics, Inc.
Buy sideLexeo Therapeutics, Inc.
Target: Mantle Therapeutics Inc.
TargetMantle Therapeutics Inc.
01 / BuyerLexeo Therapeutics, Inc.
02 / TargetMantle Therapeutics Inc.
Source for the buyer and target: Lexeo Therapeutics, Inc.

For the buyer and target.

“On September 16, 2026, Lexeo Therapeutics, Inc. (“ Lexeo ” or the “ Company ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Mantle Therapeutics Inc. (“ Mantle ”), Magma Merger Sub Inc., a Delaware corporation and a wholly-owned subsidiary of the Company (“ Merger Sub ”), and Shareholder Representative Services LLC, a Colorado limited liability company, solely in its capacity as representative, agent and attorney in fact of the Sellers.”

Published 22 Sep 2026

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01

What happened

The deal for Mantle Therapeutics Inc. is signed, with Lexeo Therapeutics, Inc. as the buyer, at a stated price of $5,300,000 in cash, subject to certain adjustments; and (ii) $3,000,000 in shares of Lexeo common stock. [01]

The filing from Lexeo Therapeutics, Inc. is dated Sept. 22, 2026. [01]

02

The source

Everything on this page comes from the source below, quoted word for word.

01
Source · Lexeo Therapeutics, Inc.

Lexeo Therapeutics, Inc. signed an agreement for Mantle Therapeutics Inc.

This document is the source for the companies, stage and people on this page.

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03

Timeline

Every date the source states, in order, each with the words it comes from. Anything marked ahead is a target the source gives, not something that has happened.

  1. Announced

    “The filing from Lexeo Therapeutics, Inc. is dated Sept. 22, 2026”

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  2. Published by Lexeo Therapeutics, Inc.

    The source this page is built from.

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