---
schema_version: "secwatch.filing_event.v1"
accession: "0001562088-23-000254"
form_type: "8-K"
ticker: "DUOL"
cik: "0001562088"
company_name: "Duolingo, Inc."
filed_at: "2023-12-19T23:59:59+00:00"
generated_at: "2026-06-07T10:32:52.642552+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Duolingo sub-subleases 85,666 sq ft NYC office from Spotify; term through 2034

## Summary
- Sub-sublease from Spotify USA Inc. for 85,666 sq ft at 4 World Trade Center; term until April 2034 (~10 years).
- Initial base rent $62/sq ft/yr ($442,608/month) triple net; increasing to $67/sq ft/yr in year 6.
- Rent payments begin 20 months after commencement; security deposit replaced by $2.66M letter of credit.
- Sub-lease effective Jan 1, 2024, subject to landlord consent; CFO Matthew Skaruppa signed for Duolingo.

## SEC filing metadata
- accession: 0001562088-23-000254
- form_type: 8-K
- ticker: DUOL
- cik: 0001562088
- company_name: Duolingo, Inc.
- filed_at: 2023-12-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1562088/000156208823000254/0001562088-23-000254-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1562088/000156208823000254/duol-20231218.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001562088-23-000254
- JSON: https://secwatch.observer/filing/0001562088-23-000254.json
- Plain text: https://secwatch.observer/filing/0001562088-23-000254.txt

## Key facts
- Material Agreements
  Duolingo, Inc. entered into Agreement of Sub-Sublease with Spotify USA Inc. valued at initial base rent is $62 per rentable square foot per annum (i.e., $442,608 per month) (effective 2023-12-18).
  - Action: entry
  - Agreement: lease
  - Counterparty: Spotify USA Inc.
  - Value: initial base rent is $62 per rentable square foot per annum (i.e., $442,608 per month)
  - Effective: 2023-12-18
  source text: On December 18, 2023, Duolingo, Inc. (the “Company”), as sub-subtenant, entered into an Agreement of Sub-Sublease, dated December 18, 2023 (the “Sub-Sublease”), with Spotify USA Inc., as Sub-Sublandlord (the “Sub-Sublandlord”) for 85,666 square feet of office space in the building located at 4 World Trade Center, 150 Greenwich Street, New York, New York 10007 for use as additional office space.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1562088/000156208823000254/0001562088-23-000254-index.htm

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