---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-21-015040"
form_type: "8-K"
ticker: "DUOL"
cik: "0001562088"
company_name: "Duolingo, Inc."
filed_at: "2021-07-30T23:59:59+00:00"
generated_at: "2026-06-30T00:22:56.432291+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Duolingo completes IPO on July 30, 2021; gross proceeds of $455.5M from 5.87M shares at $102/share

## Summary
- Offered 5,872,029 shares of Class A common stock at $102.00 per share, including full underwriter option exercise.
- Company sold 4,465,916 shares for gross proceeds of $455.5M; selling stockholders sold 1,406,113 shares with no proceeds to Duolingo.
- Amended and restated certificate of incorporation and bylaws became effective upon IPO closing on July 30, 2021.
- IPO detailed in final prospectus dated July 27, 2021; Class A common stock began trading on Nasdaq under ticker DUOL.

## SEC filing metadata
- accession: 0001628280-21-015040
- form_type: 8-K
- ticker: DUOL
- cik: 0001562088
- company_name: Duolingo, Inc.
- filed_at: 2021-07-30T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1562088/000162828021015040/0001628280-21-015040-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1562088/000162828021015040/duolingo-8xk.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-21-015040
- JSON: https://secwatch.observer/filing/0001628280-21-015040.json
- Plain text: https://secwatch.observer/filing/0001628280-21-015040.txt

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