---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-063850"
form_type: "8-K"
ticker: "MDB"
cik: "0001441816"
company_name: "MongoDB, Inc."
filed_at: "2026-09-29T21:15:25+00:00"
generated_at: "2026-10-12T13:53:30.191353+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "medium"
source: SEC EDGAR
---

# MongoDB board authorizes extra $1.0B buyback, lifting repurchase program to $2.0B; holds Investor Day

## Summary
- Board authorized an additional $1.0 billion of repurchases on September 25, 2026, bringing aggregate program authorization to $2.0 billion.
- Company said $1,353,700,000 remained available for future repurchases as of the filing date; buybacks may be open market or privately negotiated.
- MongoDB hosted an Investor Day on September 29, 2026 where leadership discussed strategies for sustainable growth and long-term shareholder value.
- The Investor Day deck (Exhibit 99.1) is appended only through its safe-harbor page, so no new targets, guidance or segment figures are disclosed in the filing text.
- Repurchases are not obligated in any dollar amount and may be suspended, terminated or modified at any time.

## SEC filing metadata
- accession: 0001628280-26-063850
- form_type: 8-K
- ticker: MDB
- cik: 0001441816
- company_name: MongoDB, Inc.
- filed_at: 2026-09-29T21:15:25+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: medium
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1441816/000162828026063850/0001628280-26-063850-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1441816/000162828026063850/mdb-20260925.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-063850
- JSON: https://secwatch.observer/filing/0001628280-26-063850.json
- Plain text: https://secwatch.observer/filing/0001628280-26-063850.txt

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