Duolingo, Inc. (DUOL) — research page
US · us-cm-kg/NASDAQ/DUOL · as of 2026-11-08
Identity and listing
The issuer is Duolingo, Inc., listed on NASDAQ under ticker DUOL, with ISIN US26603R1068. The LEI is not on the record. The security type is Corporate, the segment is not on the record, the sector is 7372 Services-Prepackaged Software, and the jurisdiction is United States, Delaware. The listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | Duolingo, Inc. | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | DUOL | source · 2026-11-08 |
| ISIN | US26603R1068 | source · 2026-10-14 |
| LEI | not on the record | |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 7372 Services-Prepackaged Software | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 117 filings in the twelve months to 2026-11-08, across 60 filing days. The median gap between filing days is 3 days. The latency from the latest filing to the record date is 3 days. The latest filing is dated 2026-11-05 and is of type directors_dealings. The NASDAQ median cadence gap is 6.0 days and the NASDAQ median latency is 5.0 days, with a median of 52 filings across 4359 issuers. The sector median cadence gap is 5.0 days and the sector median latency is 4.5 days, with a median of 62.5 filings across 266 issuers.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 117 | 3 | 3 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 7372 Services-Prepackaged Software (266 issuers) | 62.5 | 5 | 4.5 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-05 | directors_dealings | 4 | 4 — FORM 4 |
| 2026-11-04 | regulatory_filing | 144 | 144 |
| 2026-11-04 | directors_dealings | 4 | 4 — FORM 4 |
| 2026-11-04 | results | 10-Q | 10-Q — 10-Q |
| 2026-11-03 | results | 8-K | 8-K — 8-K (items 2.02,9.01) |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is Deloitte & Touche LLP, located in New York, New York. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting or name change lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag is listed, not halted.
Orderability
The outcome is not determinable. The chapter's orderability section carries no client categories, so the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations pages read.
Open research
No openly published research notes were found on the record.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The vintage is sealed. The issuer years sealed are 2021, 2022, 2023, 2024, 2025 and 2026. The market's earliest sealed date is 2021-01-04, and the live record began on 2026-09-12.
Sources
8 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- 10.3
- https://data.sec.gov/submissions/CIK0001562088.json (identity.jurisdiction)
- 10.4
- https://mcp.us-cm-kg.ai/events/NASDAQ/DUOL (the disclosure lines)
- 10.5
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.6
- https://www.sec.gov/Archives/edgar/data/1562088/000162828026012494/duol-20251231.htm (the auditor)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NASDAQ/DUOL (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"US26603R1068"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:e8c7a390cf260283.