Natalie Glance - 27 Feb 2026 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Reporting relationship: Chief Engineering Officer
Issuer ticker: DUOL
Reported as of: 27 Feb 2026
Net transaction value: +$147,462
SEC form: 4
Accepted by SEC: 03 Mar 2026, 16:11:59 UTC
Prior SEC filing: 20 Feb 2026
Next SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance

Key filing fact

Natalie Glance filed Form 4 for Duolingo, Inc. (DUOL) on 03 Mar 2026.

Key facts

This page summarizes Natalie Glance's Form 4 filing for Duolingo, Inc. (DUOL).
4 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 16:11.

Change

Previous filing in this sequence was filed on 20 Feb 2026.
Current net transaction value: +$147,462.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001870350 Primary reporting owner

Glance Natalie

Relationship: Chief Engineering Officer
Address: C/O DUOLINGO, INC., 5900 PENN AVENUE, PITTSBURGH
Signature: /s/ Stephen Chen, as Attorney-in-Fact for Natalie Glance
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DUOL transaction

Class A Common Stock

Options Exercise

Transaction value: $59,170
Shares: +11,834
Change %: +10%
Price: $5.00
Shares after: 127,214
Date: 27 Feb 2026
Ownership: Direct

DUOL transaction

Class A Common Stock

Options Exercise

Transaction value: $88,292
Shares: +12,418
Change %: +9.8%
Price: $7.11
Shares after: 139,632
Date: 27 Feb 2026
Ownership: Direct

DUOL holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 130
Date: 27 Feb 2026
Ownership: By son

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DUOL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -11,834
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 27 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 11,834
Exercise price: $5.00
Footnotes: F1

DUOL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value: $0
Shares: -12,418
Change %: -71%
Price: $0.000000
Shares after: 5,000
Date: 27 Feb 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 12,418
Exercise price: $7.11
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The shares subject to the option are fully vested and exercisable.

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