EXHIBIT 10.5
Passage BIO, Inc.
Agreed Form
FORM OF REGISTRATION RIGHTS AGREEMENT
This Registration Rights Agreement (this “Agreement”) is made and entered into as of [·] 2026, among Remix Therapeutics, Inc., a Delaware corporation (“Remix”), Passage Bio, Inc., a Delaware corporation (“Passage”), and each of the several investors signatory hereto.
WHEREAS, Remix and Passage are party to that certain Agreement and Plan of Merger by and among Remix, Peregrine Merger Sub, Inc., and Passage, dated as of June 24, 2026 (the “Merger Agreement”), pursuant to which the Company will become a wholly-owned subsidiary of Passage (the “Merger”);
WHEREAS, following the Effective Time (as defined in the Merger Agreement), Passage will change its name to Remix Therapeutics, Inc. (“TopCo”);
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