Astria Therapeutics Inc. Watch

from 8-K 17 pages Form of Common Stock Purchase Warrant Astria Therapeutics, Inc

from 8-K 14 pages Astria Therapeutics, Inc. Warrant to Purchase Common Stock

from 10-K 3 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 10-K 3 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 8-K 23 pages [Form of Warrant] Catabasis Pharmaceuticals, Inc. Warrant to Purchase Common Stock

from 8-K 22 pages [Form of Warrant] Catabasis Pharmaceuticals, Inc. Warrant to Purchase Common Stock

from S-1/A 20 pages [Form of Warrant] Catabasis Pharmaceuticals, Inc. Warrant to Purchase Common Stock

from S-1/A 20 pages [Form of Warrant] Catabasis Pharmaceuticals, Inc. Warrant to Purchase Common Stock

from S-1/A 19 pages [Form of Pre-Funded Warrant] Catabasis Pharmaceuticals, Inc. Pre-Funded Warrant to Purchase Common Stock

from S-1/A 1 page Catabasis Pharmaceuticals, Inc. See Reverse for Certain Definitions Incorporated Under the Laws of the State of Delaware Cusip 14875p 10 7 This Certifies That Is the Owner of Fully Paid and Nonassessable Shares of the Common Stock, Par Value $0.001, Per Share, of Catabasis Pharmaceuticals, Inc. Transferable on the Books of the Corporation in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: Seal 2008 Treasurer President Countersigned and Registered: American Stock Transfer & Trust Company, LLC (Brooklyn, Ny) Transfer Agent and Registrar By: Authorized Officer B