---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-057818"
form_type: "8-K"
ticker: "DUOL"
cik: "0001562088"
company_name: "Duolingo, Inc."
filed_at: "2026-08-19T01:11:54+00:00"
generated_at: "2026-08-19T10:05:25.836626+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Duolingo inadvertently shows 27.4% DAU growth estimate for Aug 17, 2026

## Summary
- On Aug 18, 2026, investor meeting screen displayed estimated DAU growth of 27.4% YoY for Aug 17, 2026.
- Similar estimated growth rates for prior days in August were also shown on the screen.
- Company has not completed review/validation; data not indicative of Q3 2026 results.
- No updated guidance provided; Q2 2026 guidance from Aug 5, 2026 remains in effect.

## SEC filing metadata
- accession: 0001628280-26-057818
- form_type: 8-K
- ticker: DUOL
- cik: 0001562088
- company_name: Duolingo, Inc.
- filed_at: 2026-08-19T01:11:54+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1562088/000162828026057818/0001628280-26-057818-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1562088/000162828026057818/duol-20260818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-057818
- JSON: https://secwatch.observer/filing/0001628280-26-057818.json
- Plain text: https://secwatch.observer/filing/0001628280-26-057818.txt

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