DUOL — what changed in the latest 10-Q
A section-by-section comparison of DUOL's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-11-04 vs the prior 10-Q · 2026-08-06
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +56 | −44 | ~15 | 25 |
| Market risk (Item 3) | Text added/removed | 0 | −1 | ~2 | 1 |
| Controls & procedures | Text added/removed | +1 | 0 | ~2 | 1 |
| Legal proceedings | Text added/removed | 0 | 0 | ~1 | 0 |
| Risk factors | No material changes reported (points to the 10-K) | — | — | — | — |
| Other information | Text added/removed | +2 | −5 | 0 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-11-04
including those discussed in “Special Note Regarding Forward-Looking Statements,” and included elsewhere in this Quarterly Report on Form 10-Q, and in Part I, Item 1A. “Risk Factors,” and Part II, Item 7. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” of our …
Three Months Ended September 30,Nine Months Ended September 30,
(1) We primarily evaluate user engagement using DAUs, with MAUs as a supplementary metric. MAUs were 153.1 million and 135.3 million for the three months ended September 30, 2026 and 2025, respectively.
(2) During the three months ended September 30, 2025, the Company released the valuation allowance previously recorded against its federal and state deferred tax assets, resulting in a one-time income-tax benefit, net of a return-to-provision adjustment, in the period of $222.7 million.
Daily active users (DAUs). DAUs are defined as unique users who engage with our Duolingo App or the learning section of our website each calendar day. DAUs are reported for a measurement period by taking the average of the DAUs for each day in that measurement period. The measurement period for DAUs…
Text removed vs the prior filing · source: 10-Q · 2026-08-06
(1) We primarily evaluate user engagement using DAUs, with MAUs as a supplementary metric. MAUs were 140.6 million and 128.3 million for the three months ended June 30, 2026 and 2025, respectively.
Daily active users (DAUs). DAUs are defined as unique users who engage with our Duolingo App or the learning section of our website each calendar day. DAUs are reported for a measurement period by taking the average of the DAUs for each day in that measurement period. The measurement period for DAUs…
analysis of results is based on those periods. DAUs are a measure of the consistent engagement of our global user community on Duolingo.
We had approximately 58.7 million and 47.7 million DAUs for the three months ended June 30, 2026 and 2025, respectively, representing an increase of 23% from the prior year period, driven largely by an increase in retention of current users. We grew DAUs through a combination of product initiatives …
applicable, and the analysis of results is based on those periods. MAUs are a supplemental measure and help illustrate the size of our global active user community on Duolingo.
Market risk (Item 3)
Text removed vs the prior filing · source: 10-Q · 2026-08-06
although we may choose to do so in the future. A hypothetical 10% increase or decrease in the relative value of the U.S. dollar to other currencies would not have a material effect on our operating results.
Controls & procedures
Text added vs the prior filing · source: 10-Q · 2026-11-04
misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, within the Company have been detected.
Other information
Text added vs the prior filing · source: 10-Q · 2026-11-04
On September 4, 2026, Natalie Glance, Chief Engineering Officer, entered into a 10b5-1 sales plan (the “Glance 10b5-1 Sales Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act, providing for (i) the sale of the net number of shares of Class A common stock unde…
No other “officer” (as defined in Rule 16a-1(f) under the Exchange Act) or director of the Company adopted, modified or terminated “Rule 10b5-1 trading arrangements” and/or “non-Rule 10b5-1 trading arrangements” (each as defined in Item 408 of Regulation S-K) during the three months ended September …
Text removed vs the prior filing · source: 10-Q · 2026-08-06
During the three months ended June 30, 2026, certain of our directors and officers adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K as follows:
On June 9, 2026, William "Bing" Gordon, a member of our Board of Directors, modified his Rule 10b5-1 sales plan that was originally adopted on December 11, 2025. The modified trading arrangement is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and provides for …
On June 2, 2026, Dr. Luis von Ahn, Chief Executive Officer and member of the Company’s Board of Directors, and the Luis von Ahn Foundation, entered into a 10b5-1 sales plan (the “von Ahn 10b5-1 Sales Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act, pursuan…
On June 14, 2026, Stephen Chen, General Counsel, entered into a 10b5-1 sales plan (the “Chen 10b5-1 Sales Plan”) intended to satisfy the affirmative defense of Rule 10b5-1(c) of the Exchange Act and providing for (i) the sale of the net number of shares of Class A common stock underlying 12,524 unve…
No other “officer” (as defined in Rule 16a-1(f) under the Exchange Act) or director of the Company adopted, modified or terminated “Rule 10b5-1 trading arrangements” and/or “non-Rule 10b5-1 trading arrangements” (each as defined in Item 408 of Regulation S-K) during the three months ended June 30, 2…
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice