Filing excerpt
For example, we launched our Math and Music courses, in the Duolingo App in 2022 and 2023, respectively, however, neither has generated material revenue for us.
Despite launching Math and Music courses to diversify its offerings, Duolingo has not yet successfully monetized them, indicating a challenge in converting investment in new subjects into profitable revenue streams.
Filing excerpt
For example, we launched our Math and Music courses, in the Duolingo App in 2022 and 2023, respectively, however, neither has generated material revenue for us.
What this signalsFilings often name leadership changes, deals and spending plans.
Technologies
sec-10kmarginPressureGet every 10-K signal for Duolingo and the companies you sell to, in the tools you already use.
Connect Autobound to Claude, Claude Code or Cursor with MCP. Then ask: “What changed at Duolingo this week?”
The Signal API returns 10-K signals for any list of companies as JSON, for your CRM, warehouse or app.
Sign up and spend your free credits on the companies you sell to.
This page shows a preview. The full sec-10k record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/cb4567ba-b00c-4495-b3ee-c36007856ffa returns this record as JSON. POST /v1/companies/enrich returns every signal for duolingo.com.
{
"signal_id": "cb4567ba-b00c-4495-b3ee-c36007856ffa",
"signal_type": "sec-10k",
"signal_subtype": "marginPressure",
"detected_at": "2026-03-03T06:11:06.935+00:00",
"company": {
"name": "Duolingo",
"domain": "duolingo.com"
},
"data": {
"detail": "Despite launching Math and Music courses to diversify its offerings, Duolingo has not yet successfully monetized them, indicating a challenge in converting investment in new subjects into profitable revenue streams.",
"metrics": {
"timeframe": "multi_year"
},
"summary": "New Math and Music courses have failed to generate material revenue since 2022-2023 launch",
"excerpts": "For example, we launched our Math and Music courses, in the Duolingo App in 2022 and 2023, respectively, however, neither has generated material revenue for us.",
"relevance": 0.9,
"sentiment": "negative",
"confidence": "high",
"source_url": "https://www.sec.gov/Archives/edgar/data/1562088/000162828026012494/duol-20251231.htm",
"filing_date": "2026-02-26",
"filing_year": 2026,
"fiscal_year_end": "12/31",
"sales_relevance": "Efficiency tools needed",
"signal_category": "financial",
"technologies_mentioned": [
"GenAI"
]
}
}
curl https://signals.autobound.ai/v1/signals/cb4567ba-b00c-4495-b3ee-c36007856ffa \
-H "X-API-KEY: $AUTOBOUND_API_KEY"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","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.