Sallie Krawcheck - 10 Aug 2026 Form 4 Insider Report for Duolingo, Inc. (DUOL)

Reporting relationship: Director
Issuer ticker: DUOL
Reported as of: 10 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 Aug 2026, 18:02:17 UTC
Prior SEC filing: 08 May 2023
Source filing: View source filing
Reporting owner signature: /s/ Stephen Chen, as Attorney-in-Fact for Sallie Krawcheck

Key filing fact

Sallie Krawcheck filed Form 4 for Duolingo, Inc. (DUOL) on 12 Aug 2026.

Key facts

This page summarizes Sallie Krawcheck's Form 4 filing for Duolingo, Inc. (DUOL).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 12 Aug 2026, 18:02.

Change

Previous filing in this sequence was filed on 08 May 2023.
Current net transaction value: $0.

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 0001226642 Primary reporting owner

KRAWCHECK SALLIE

Relationship: Director
Address: 5900 PENN AVENUE, PITTSBURGH
Signature: /s/ Stephen Chen, as Attorney-in-Fact for Sallie Krawcheck
Signature date: 12 Aug 2026

Reported non-derivative transactions

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

DUOL transaction

Class A Common Stock

Award

Transaction value
Shares: +1,312
Change %
Price: $0.000000^*
Shares after: 1,312
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1

DUOL transaction

Class A Common Stock

Award

Transaction value
Shares: +3,280
Change %: +250%
Price: $0.000000^*
Shares after: 4,592
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of the Issuer's Class A Common Stock for each RSU upon vesting. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next annual meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer.

Footnote F2

One-half of the RSUs vest on August 10, 2027, and one-fourth vest on each of August 10, 2028 and August 10, 2029.