{"url_path":"/sec/mdb/proxy/2026-05-19/000162828026036420","section_key":"body","section_title":"DEFA14A body","topic":"sec","document":{"doc_type":"DEFA14A","doc_date":"2026-05-19","source_url":"https://www.sec.gov/Archives/edgar/data/1441816/0001628280-26-036420-index.html","accession_number":"0001628280-26-036420","cik":"0001441816","ticker":"MDB","issuer_name":"MongoDB, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1441816/0001628280-26-036420-index.html","primary_entity_key":"0001441816","primary_entity_name":"MongoDB, Inc."},"word_count":142,"has_tables":true,"body_markdown":"DEFA14A\n1\nmdbdefa14a2026noticeandacc.htm\nDEFA14A\n\nDocument\n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\nSCHEDULE 14A INFORMATION\n\nProxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934\n\n(Amendment No. )\n\nFiled by the Registrant    ☒\n\nFiled by a Party other than the Registrant    ☐\n\nCheck the appropriate box:\n\n☐    Preliminary Proxy Statement\n\n☐    Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))\n\n☐    Definitive Proxy Statement\n\n☒    Definitive Additional Materials\n\n☐    Soliciting Material Pursuant to § 240.14a-12\n\nMONGODB, INC.\n\n(Name of Registrant as Specified In Its Charter)\n\n(Name of Person(s) Filing Proxy Statement if Other Than the Registrant)\n\nPayment of Filing Fee (Check all boxes that apply)\n\n☒\n\nNo fee required\n\n☐\n\nFee paid previously with preliminary materials\n\n☐\nFee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11"}