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What Duolingo's 8-K filings say: 4 filings, latest Aug 18, 2026

Duolingo filed its latest 8-K with the SEC on Aug 18, 2026. It discusses backlog growth and capacity constraint.

Public (DUOL)Software Development1,001 to 5,000 employeesduolingo.comLinkedIn

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Filed
Aug 18, 2026
Filings
4
Signals
8

Source: Autobound Signal API · 83 signals tracked for Duolingo · updated

8-K · latest 5

What Duolingo's 8-K filings say

  1. 8-K

    Filed · 2 signals

    SEC EDGAR
  2. 8-K

    Filed · 2 signals

    SEC EDGAR
  3. 8-K

    Filed · 1 signal

    SEC EDGAR
  4. 8-K

    Filed · 3 signals

    SEC EDGAR

Showing 5 of 8 filing signals. The Signal API returns all of them.

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Signal API · MCP

Track Duolingo with the Signal API

One POST /v1/companies/enrich call with duolingo.com returns Duolingo 8-K signals (sec-8k), each with its source. Or ask Claude through MCP.

2 credits per signal returned; zero-result calls are free. Endpoint reference

curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: $AUTOBOUND_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"duolingo.com","signal_types":["sec-8k"],"limit":20}'

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Questions about Duolingo 8-K

When did Duolingo file its latest 8-K?
Duolingo filed its latest 8-K on Aug 18, 2026. The one before it was filed on Aug 10, 2026.
What did Duolingo disclose in its latest 8-K?
From the filing dated Aug 18, 2026: Duolingo inadvertently discloses ~27.4% daily active user (DAU) growth, signaling potential infrastructure strain.
Where can I read Duolingo's 8-K filing?
The full filing is on SEC EDGAR: https://www.sec.gov/Archives/edgar/data/1562088/000162828026057818/duol-20260818.htm. This page summarizes what the filing says and links to it.

Page updated , the date of the newest row on this page.

Source. Current reports (Form 8-K) filed with the SEC. Every card links to the filing on EDGAR.

Method. Insights are extracted from the filing text and grouped by category. Numbers are quoted from the filing.

Data as of .

How this data is built →Get it from the Signal API →