SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Hazard Charles M Jr (Last) (First) (Middle) C/O FLYBRIDGE CAPITAL PARTNERS 31 ST. JAMES AVENUE, 6TH FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol MongoDB, Inc. [ MDB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 03/20/2020
	4. If Amendment, Date of Original Filed (Month/Day/Year)	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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	03/20/2020		S(1)		367	D	$120.84(2)	100,408	D
Class A Common Stock	03/20/2020		S(1)		200	D	$121.97(3)	100,208	D
Class A Common Stock	03/20/2020		S(1)		300	D	$124.59(4)	99,908	D
Class A Common Stock	03/20/2020		S(1)		200	D	$125.92(5)	99,708	D
Class A Common Stock	03/20/2020		S(1)		100	D	$126.5	99,608	D
Class A Common Stock	03/20/2020		S(1)		100	D	$128.24	99,508	D
Class A Common Stock	03/20/2020		S(1)		100	D	$129.3	99,408	D
Class A Common Stock	03/20/2020		S(1)		200	D	$130.87(6)	99,208	D
Class A Common Stock	03/20/2020		S(1)		100	D	$133.46	99,108	D
Class A Common Stock	03/20/2020		S(1)		350	D	$123.22	25,545	I	By Trust(7)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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

Explanation of Responses:

1. The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

2. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $120.61 to $121.26, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

3. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $121.87 to $122.07, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

4. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $124.24 to $125.05, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

5. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $125.47 to $126.37, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

6. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $130.73 to $131.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

7. These shares are held by The Narragansett Bay Childrens Trust (the "Trust"). The reporting person is the Trustee of the Trust and, as such, has the power to vote and dispose of the shares held by the Trust. The reporting person disclaims beneficial ownership of the shares owned by the Trust except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.

Remarks:

Exhibit 24 - Power of Attorney

	/s/Sophie Hubscher, Attorney-in-Fact	03/24/2020
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

POWER OF ATTORNEY

(For Executing Form ID and Forms 3, 4 and 5)

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Andrew Stephens and Sophie Hubscher of MongoDB, Inc. (the "Company")
and Nicole Brookshire and Alison Haggerty of Cooley LLP with full power of
substitution, signing individually, the undersigned's true and lawful attorneys
-in fact and agents to:

(1) Prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the Securities and Exchange Commission (the
"SEC") Form ID and Forms 3, 4 and 5 (including amendments thereto and joint
filing agreements in connection therewith) in accordance with Section 16(a) of
the Securities Exchange Act of 1934, as amended (the "Exchange Act") and the
rules thereunder in the undersigned's capacity as an officer, director or
beneficial owner of more than 10% of a registered class of securities of the
Company;

(2) Do and perform any and all acts for and on behalf of the
undersigned that may be necessary or desirable to prepare and execute any such
Form ID and Forms 3, 4 or 5 (including amendments thereto and joint filing
agreements in connection therewith) and timely file such forms with the SEC and
any stock exchange, self-regulatory association or any similar authority; and

(3) Take any other action of any type whatsoever in connection with
the foregoing that, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required of the undersigned, it being
understood that the documents executed by the attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as the attorney-in-fact may approve in the
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney in fact, or such attorney in fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, and their substitutes, in serving in such capacity
at the request of the undersigned, are not assuming (nor is the Company
assuming) any of the undersigned's responsibilities to comply with Section 16
of the Exchange Act.

This Power of Attorney shall remain in full force and effect until the
earliest to occur of (a) the undersigned is no longer required to file Forms 3,
4 and 5 with respect to the undersigned's holdings of and transactions in
securities issued by the Company, (b) revocation by the undersigned in a signed
writing delivered to the Company and the foregoing attorneys-in fact or (c) as
to any attorney-in-fact individually, until such attorney-in-fact is no longer
employed by the Company, or any of its subsidiaries, or Cooley LLP, as
applicable.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of the date written below.

Date: February 27, 2020

By: /s/Charles M Hazard Jr.
Charles M. Hazard Jr.