[Form 4] MongoDB, Inc. Insider Trading Activity

Rhea-AI Filing Summary

MongoDB, Inc. (MDB) insider sale disclosed on Form 4: Charles M. Hazard Jr., a company director and trustee, sold shares of Class A common stock under a Rule 10b5-1 trading plan. On 08/28/2025 the filing reports two sell transactions at $300.00 per share: 6,668 shares sold reducing Mr. Hazard's direct holdings to 48,199 shares, and 1,336 shares sold reducing the indirect holdings held in The Narragansett Bay Children’s Trust to 14,659 shares.

The report notes the sales were executed pursuant to a pre-established 10b5-1 plan and that Mr. Hazard is the trustee of the Trust and disclaims beneficial ownership of Trust shares except to the extent of his pecuniary interest. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person on 09/02/2025.

Positive

• Sales executed under a Rule 10b5-1 trading plan which documents pre-arranged transactions
• Full disclosure of direct and indirect holdings including trust ownership and disclaimer
• Filing includes specific transaction details: dates, share amounts, and price per share

Negative

• Reduction in direct ownership by 6,668 shares to 48,199 shares
• Reduction in indirect (trust) ownership by 1,336 shares to 14,659 shares

Insights

Securities Analyst

TL;DR: Routine, pre-planned insider sales under a 10b5-1 program; limited immediate market signal absent other material disclosures.

The transactions are explicitly labeled as executed under a Rule 10b5-1 trading plan, which typically indicates pre-scheduled disposals rather than opportunistic trading. The reported prices and share counts are specific: two dispositions on 08/28/2025 at $300.00 per share for 6,668 and 1,336 shares. The remaining direct and indirect holdings are quantified, enabling straightforward calculation of ownership changes. From a market-impact perspective, these are disclosed insider sales without accompanying operational or financial information, so they should be treated as routine transparency rather than a standalone material event.

Corporate Governance Expert

TL;DR: Governance disclosure practices followed: director file, 10b5-1 plan noted, and trust ownership properly explained.

The Form 4 identifies the reporting person as a director and discloses the trustee role and an explicit disclaimer of beneficial ownership for the Trust-held shares, which aligns with standard governance and disclosure protocols. The filing includes transaction dates, share counts, price, ownership form (direct/indirect), and an attorney-in-fact signature, meeting SEC Form 4 requirements. The clear statement that the sales were pursuant to a 10b5-1 plan supports compliance with affirmative defense documentation for insider trading.

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).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hazard Charles M Jr

(Last) (First) (Middle)

C/O FLYBRIDGE CAPITAL PARTNERS

855 BOYLSTON ST, SUITE 1000

(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)
08/28/2025

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	08/28/2025		S(1)		6,668	D	$300	48,199	D
Class A Common Stock	08/28/2025		S(1)		1,336	D	$300	14,659	I	By Trust(2)

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 transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

2. 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:

	/s/ Paul Johnston, Attorney-in-Fact	09/02/2025
	** 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.

FAQ

What did Charles M. Hazard Jr. disclose in the MDB Form 4?

The filing reports two sales on 08/28/2025 of Class A common stock at $300.00 per share: 6,668 shares sold (direct) and 1,336 shares sold (indirect via trust).

Were the MDB sales part of a 10b5-1 trading plan?

Yes. The Form 4 explicitly states the transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

How much does Hazard hold after the reported transactions?

Following the reported sales, Hazard holds 48,199 shares directly and 14,659 shares indirectly through The Narragansett Bay Children’s Trust.

What is the reporting person’s relation to MongoDB (MDB)?

The Form 4 checks the box indicating the reporting person is a Director of MongoDB, Inc.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by /s/ Paul Johnston, Attorney-in-Fact on 09/02/2025.