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Duolingo, Inc.

For the period ended Jun 30, 2026. Filed Aug 6, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 6, 2026

DUOL$160.42+2.2%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For thequarterly period ended June 30, 2026

OR

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ___ to ___

Commission file number 001-40653

Duolingo, Inc.

(Exact name of registrant as specified in its charter)

Delaware45-3055872
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)

5900 Penn Avenue

Pittsburgh, Pennsylvania 15206

(412)567-6602

(Address, Including Zip Code, and Telephone Number, Including

Area Code, of Registrant’s Principal Executive Offices)

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered
Class A common stock, $0.0001 per shareDUOLThe Nasdaq Stock Market LLC

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports); and (2) has been subject to such filing requirements for the past 90 days.

Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer☒Accelerated filer☐
Non-accelerated filer☐Smaller reporting company☐
Emerging growth company☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No☒

As of August 4, 2026,40,387,012 shares of the registrant's Class A common stock were outstanding, and 6,399,257 shares of the registrant's Class B common stock were outstanding.

Table of Contents Page

Special Note Regarding Forward-Looking Statements2
Special Note Regarding Key Operating Metrics4
Part I Financial Information5
Item 1. Financial Statements (Unaudited)5
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations22
Item 3. Quantitative and Qualitative Disclosures About Market Risk35
Item 4. Controls and Procedures36
Part II Other Information37
Item 1. Legal Proceedings37
Item 1A. Risk Factors37
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds37
Item 3. Defaults Upon Senior Securities37
Item 4. Mine Safety Disclosures37
Item 5. Other Information37
Item 6. Exhibits39
Signatures40
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.