MDB MongoDB Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Pech Cedric	2. Issuer Name and Ticker or Trading Symbol MongoDB, Inc. [ MDB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Chief Revenue Officer
(Last)          (First)          (Middle) C/O MONGODB, INC., 1633 BROADWAY, 38TH FLOOR	3. Date of Earliest Transaction (MM/DD/YYYY) 11/2/2020
(Street) NEW YORK, NY 10019 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	11/2/2020		M(1)		5729	A	$8.40	82098	I	By KW Investments SRL (2)
Class A Common Stock	11/2/2020		S(1)		600 (3)	D	$227	81498	I	By KW Investments SRL (2)
Class A Common Stock								41161	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	$8.4	11/2/2020		M (1)			5729	(4)	4/5/2027	Class A Common Stock	5729.0	$0	45834	I	By KW Investments SRL (2)

Explanation of Responses:
(1)	The transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 19, 2020.
(2)	KW Investments SRL is an Italian limited liability company owned by the Reporting Person and the Reporting Person's spouse.
(3)	Represents the sale of shares of Class A common stock to satisfy the exercise price and the Reporting Person's tax withholding obligations in connection with the Reporting Person's exercise of options.
(4)	All shares underlying this option are immediately exercisable, subject to a repurchase right in the Issuer's favor which lapses in accordance with the option's vesting schedule. The remaining shares shall vest in 8 equal monthly installments beginning on December 1, 2020, subject to the Reporting Person providing continuous service to the Issuer on each such date.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Pech Cedric C/O MONGODB, INC. 1633 BROADWAY, 38TH FLOOR NEW YORK, NY 10019			Chief Revenue Officer

Signatures
/s/ Sophie Hubscher, Attorney-in-Fact		11/4/2020
**Signature of Reporting Person		Date