---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-063657"
form_type: "8-K"
ticker: "MDB"
cik: "0001441816"
company_name: "MongoDB, Inc."
filed_at: "2026-09-28T12:30:44+00:00"
generated_at: "2026-10-12T13:31:51.631847+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.78
calibrated_materiality_score: 0.78
confidence: "high"
source: SEC EDGAR
---

# MongoDB CEO Chirantan Desai steps down effective Sept 28; Dev Ittycheria returns as interim President and CEO

## Summary
- CJ Desai resigned as President and CEO effective Sept 28, 2026 to take a senior role at Meta Platforms; MongoDB said the exit was not due to any disagreement.
- The Board appointed Dev Ittycheria, 59, as interim President and CEO effective Sept 28, 2026; he previously led MongoDB as CEO from September 2014 to November 2025.
- Ittycheria's prior tenure scaled MongoDB from about $35 million to more than $2.3 billion in annual revenue; the Board retained an executive search firm for a permanent CEO.
- MongoDB reaffirmed Q3 and full-year fiscal 2027 guidance issued Sept 1, 2026, and hosts an Investor Day at Nasdaq MarketSite on Sept 29, 2026, 11:00 am-3:15 pm ET.
- Ittycheria is lead independent director of Datadog and remains on MongoDB's board; his October 29, 2025 advisory agreement stays in force during the interim role.

## SEC filing metadata
- accession: 0001628280-26-063657
- form_type: 8-K
- ticker: MDB
- cik: 0001441816
- company_name: MongoDB, Inc.
- filed_at: 2026-09-28T12:30:44+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.78
- calibrated_materiality_score: 0.78
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1441816/000162828026063657/0001628280-26-063657-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1441816/000162828026063657/mdb-20260924.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-063657
- JSON: https://secwatch.observer/filing/0001628280-26-063657.json
- Plain text: https://secwatch.observer/filing/0001628280-26-063657.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.