MongoDB Inc. Watch

from 10-K 4 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 10-K 5 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 10-K 6 pages Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from 8-K 112 pages Mongodb, Inc. and U.S. Bank National Association, as Trustee Indenture Dated as of January 14, 2020 0.25% Convertible Senior Notes Due 2026

from 8-K 112 pages Mongodb, Inc. and U.S. Bank National Association, as Trustee Indenture Dated as of June 28, 2018 0.75% Convertible Senior Notes Due 2024

from S-1/A 1 page Mongodb, Inc. See Reverse Side for Certain Definitions Incorporated Under the Laws of the State of Delaware Fully Paid and Non-Assessable Shares of Class a Common Stock, $0.001 Par Value Per Share, of Mongodb, Inc. Transferable on the Books of the Corporation Bycthe Hoolder Mhereof Imn Persoon or Bny Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Until Countersigned and Registered by the Transfer Agent and Registrar. in Witness Whereof, the Said Corporation Has Caused This Certificate to Be Signed by Facsimile Signatures of Its Duly Authorized Officers. Dated: President & Chief Executive Officer Secretary Countersigned and Registered: American Stock Transfer & Trust Company (Brooklyn, New York) Transfer Agent and Registrar by Authorized Signature This Certifies That Is the Owner of Cusip 60937p 10 6

from S-1 52 pages Fifth Amended and Restated Investors’ Rights Agreement

from DRS/A 52 pages Fifth Amended and Restated Investors’ Rights Agreement