Decibel Therapeutics Inc – Indentures Watch

from S-3 8 pages Form of Subordinated Note

from S-3 8 pages Form of Senior Note

from S-3 62 pages Decibel Therapeutics, Inc. and Trustee Indenture Dated as of Subordinated Debt Securities

from S-3 59 pages Decibel Therapeutics, Inc. and Trustee Indenture Dated as of Senior Debt Securities

from 10-K 3 pages Description of Securities Registered Under Section 12 of the Securities Exchange Act of 1934

from S-1/A 2 pages Common Stock Common Stock Par Value $0.001 Certificate Number Zq00000000 Shares **000000****************** ***000000***************** ****000000**************** *****000000*************** ******000000************** Decibel Therapeutics Decibel Therapeutics, Inc. Incorporated Under the Laws of the State of Delaware This Certifies That Mr. Sample & Mrs. Sample & Mr. Sample & Mrs. Sample Is the Owner of Zero Hundred Thousand Zero Hundred and Zero See Reverse for Certain Definitions Cusip 24343r 10 6 This Certificate Is Transferable in Cities Designated by the Transfer Agent, Available Online at WWW.COMPUTERSHARE.com Fully-Paid and Non-Assessable Shares of Common Stock of Decibel Therapeutics, Inc. (Hereinafter Called the “Company”), Transferable on the Books of the Company in Person or Duly Authorized Attorney, Upon Surrender of This Certificate Properly Endorsed. This Certificate and Incorporation, as Amended, and the By-Laws, as Amended, of the Company (Copies of Which Are on File With the Certificate Is Not Valid Unless Countersigned and Registered by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Company and the Facsimile Signatures of Its Duly Authorized Officers. Facsimile Signature to Come President Dated Dd-MM-Yyyy Countersigned and Registed: Computershare Trust Company, N.A. Transfer Agent and Registrar, Facsimile Signature to Come Secretary by Authorized Signature Decibel Therapeutics Tm Po Box 505006, Louisville, Ky 40233-5006 Mr a Sample Designation (If Any) Add 1 Add 2 Add 3 Add 4 Cusip/Identifier Xxxxxx XX X Holder Id Xxxxxxxxxx Insurance Value 1,000,000.00 Number of Shares 123456 Dtc 12345678 123456789012345 Certificate Numbers Num/No. DENOM.TOTAL 1234567890/1234567890 1 11 1234567890/1234567890 2 22 1234567890/1234567890 3 33 1234567890/1234567890 4 44 1234567890/1234567890 5 55 1234567890/1234567890 6 66 Total Transaction 7 Decibel Therapeutics, Inc. Corporate Seal 11/26/2013 Delaware 1234567 Security Instructions on Reverse

from S-1 51 pages Decibel Therapeutics, Inc. Third Amended and Restated Investors’ Rights Agreement November 2, 2020

from DRS 51 pages Decibel Therapeutics, Inc. Third Amended and Restated Investors’ Rights Agreement November 2, 2020