---
schema_version: "secwatch.filing_event.v1"
accession: "0001562088-24-000058"
form_type: "8-K"
ticker: "DUOL"
cik: "0001562088"
company_name: "Duolingo, Inc."
filed_at: "2024-03-06T23:59:59+00:00"
generated_at: "2026-06-05T02:37:54.994802+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Duolingo expands Pittsburgh HQ lease by 110,008 sq ft; total 148,266 sq ft through 2036

## Summary
- Lease amendment signed March 4, 2024 increases leased space from 38,000 to 148,266 sq ft starting August 1, 2025.
- Initial base rent for additional space is ~$394k/month, rising ~2% annually (except 9% jumps in years 3 & 5 for parking).
- Existing lease rent rises to ~$188k/month from June 2035 through new expiration April 30, 2036 (extension).
- Landlord provides ~$6.6 million improvement allowance for design, permitting, and construction of improvements.
- Amendment extends lease term to April 30, 2036 (from original June 15, 2035) and adds parking access.

## SEC filing metadata
- accession: 0001562088-24-000058
- form_type: 8-K
- ticker: DUOL
- cik: 0001562088
- company_name: Duolingo, Inc.
- filed_at: 2024-03-06T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1562088/000156208824000058/0001562088-24-000058-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1562088/000156208824000058/duol-20240304.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001562088-24-000058
- JSON: https://secwatch.observer/filing/0001562088-24-000058.json
- Plain text: https://secwatch.observer/filing/0001562088-24-000058.txt

## Key facts
- Debt Financings
  Duolingo, Inc. amended lease obligation with 5704 Penn Office, LLC. at increase by approximately 2.0% per annum maturing April 30, 2036.
  - Instrument: lease obligation
  - Counterparty: 5704 Penn Office, LLC.
  - Rate: increase by approximately 2.0% per annum
  - Maturity: April 30, 2036
  - Event: amendment
  source text: (the “Company”) entered into an Office Lease Agreement (the “Lease”) with 5704 Penn Office, LLC. (the "Landlord"), to lease approximately 38,000 square feet of office space located at Liberty East at 141 South Saint Clair Street, Pittsburgh, Pennsylvania (the “Premises”) for additional office space.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1562088/000156208824000058/0001562088-24-000058-index.htm
- Material Agreements
  Duolingo, Inc. amended First Amendment to the Lease with 5704 Penn Office, LLC valued at approximately $188,000 per month; approximately $394,000 per month; improvement allowance of up to a (effective 2024-03-04).
  - Action: amendment
  - Agreement: lease
  - Counterparty: 5704 Penn Office, LLC
  - Value: approximately $188,000 per month; approximately $394,000 per month; improvement allowance of up to a
  - Effective: 2024-03-04
  source text: On March 4, 2024, the Company entered into the First Amendment to the Lease (the “First Amendment”), which, among other things, increases the leased square footage by 110,008 square feet to a total of 148,266 square feet beginning on August 1, 2025, with an expiration date of April 30, 2036.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1562088/000156208824000058/0001562088-24-000058-index.htm

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