Charles M. Hazard Jr. - 06 Oct 2026 Form 4 Insider Report for MongoDB, Inc. (MDB)

Reporting relationship: Director
Issuer ticker: MDB
Reported as of: 06 Oct 2026
Net transaction value: -$216,491
SEC form: 4
Accepted by SEC: 08 Oct 2026, 17:11:14 UTC
Prior SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Paul Johnston, Attorney-in-Fact

Filing notes and source

Key filing fact

Charles M. Hazard Jr. filed Form 4 for MongoDB, Inc. (MDB) on 08 Oct 2026.

Key facts

This page summarizes Charles M. Hazard Jr.'s Form 4 filing for MongoDB, Inc. (MDB).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 08 Oct 2026, 17:11.

Change

Previous filing in this sequence was filed on 02 Jul 2026.
Current net transaction value: -$216,491.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001339247 Primary reporting owner

Hazard Charles M Jr

Relationship: Director
Address: C/O FLYBRIDGE CAPITAL PARTNERS, 855 BOYLSTON ST, SUITE 1000, BOSTON
Signature: /s/ Paul Johnston, Attorney-in-Fact
Signature date: 08 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MDB transaction

Common Stock

Sale

Transaction value: $216,491
Shares: -595
Change %: -1.3%
Price: $363.85
Shares after: 45,237
Date: 06 Oct 2026
Ownership: Direct
Footnotes: F1

MDB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,995
Date: 06 Oct 2026
Ownership: By Trust
Footnotes: F2

MDB holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 17,500
Date: 06 Oct 2026
Ownership: By Limited Partnership
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

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

Footnote F2

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.

Footnote F3

The Reporting Person was appointed as the manager and general partner of a family limited partnership that owns the reported securities. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.