Duolingo, Inc.
For the period ended Sep 30, 2025. Filed Nov 6, 2025.
View on SEC.govAbout 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.
Sep 30, 2025 · Filed Nov 6, 2025
Extracted filing text, with the paragraph anchors used by the comparison.
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Item 6. Exhibits
| Incorporated byReference | ||||||
|---|---|---|---|---|---|---|
| Exhibit Number | Exhibit Description | Form | File No. | Date | Exhibit | Filed Herewith |
| 3.1 | Amended and Restated Certificate of Incorporation, as currently in effect | 8-K | 001-40653 | 7/30/2021 | 3.1 | |
| 3.2 | Bylaws, as currently in effect | 8-K | 001-40653 | 12/08/2023 | 3.1 | |
| 31.1 | Certification of Principal Executive Officer pursuant to Exchange Act Rule 13a-14(a) | X | ||||
| 31.2 | Certification of Principal Financial Officer pursuant to Exchange Act Rule 13a-14(a) | X | ||||
| 32.1* | Certification of Principal Executive Officer and Principal Financial Officer pursuant to 18 U.S.C. Section 1350 | X | ||||
| 101.INS | Inline XBRL Instance Document - the Instance Document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document | X | ||||
| 101.SCH | Inline XBRL Taxonomy Extension Schema Document | X | ||||
| 101.CAL | Inline XBRL Taxonomy Extension Calculation Linkbase Document | X | ||||
| 101.DEF | Inline XBRL Taxonomy Extension Definition Linkbase Document | X | ||||
| 101.LAB | Inline XBRL Taxonomy Extension Label Linkbase Document | X | ||||
| 101.LAB | Inline XBRL Taxonomy Extension Presentation Linkbase Document | X | ||||
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) | X | ||||
*The certification attached as Exhibit 32.1 that accompanies this Quarterly Report on Form 10-Q pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, is not deemed “filed” by the Registrant for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.
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