Welcome to our dedicated page for Duolingo SEC filings (Ticker: DUOL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to Duolingo, Inc. (NASDAQ: DUOL) SEC filings, offering investors and researchers a structured view of the company’s regulatory disclosures. Duolingo’s Class A common stock is registered under Section 12(b) of the Exchange Act and trades on The Nasdaq Stock Market under the symbol DUOL, as noted in its Form 8-K filings.
For Duolingo, SEC filings such as annual reports on Form 10-K and quarterly reports on Form 10-Q typically contain detailed information about its mobile learning platform, revenue sources, and risk factors. The company has identified four predominant sources of revenue—time-based subscriptions, in-app advertising placement by third parties, the Duolingo English Test, and in-app purchases—so investors can use periodic reports to review how these areas contribute to overall performance over time.
Current reports on Form 8-K, like those referenced in the provided filings, are used by Duolingo to announce material events, including results of operations and financial condition for specific periods. These filings often accompany press releases and shareholder letters that discuss metrics such as bookings, daily active users, and revenue growth. They also confirm the company’s status as a Nasdaq-listed issuer and provide basic security information.
On this page, users can review Duolingo’s historical and recent SEC submissions and take advantage of AI-powered summaries that explain key points in plain language. Real-time updates from the SEC’s EDGAR system help surface new filings as they are released, while AI-generated highlights can assist in understanding complex sections of lengthy documents, including financial statements and management’s discussion and analysis.
In addition to periodic and current reports, investors may also consult proxy statements for governance and compensation information, and Forms 3, 4, and 5 for insider ownership and transaction details when available. Together, these filings offer a comprehensive regulatory record of Duolingo’s activities as a public company.
Duolingo, Inc. (DUOL) reported insider stock activity by its Chief Engineering Officer. A Form 4 shows that on 11/17/2025, 2,534 shares of Class A common stock were sold at $177.95 to satisfy tax withholding obligations related to vesting of restricted stock units. On 11/18/2025, additional open-market sales were executed under a Rule 10b5-1 trading plan adopted on November 14, 2024, including 160 shares at a weighted average price of $173.7975 and several other small blocks at weighted average prices between $174.9689 and $177.6025, each reflecting multiple trades within disclosed price ranges. After these transactions, the reporting person beneficially owned 111,166 Class A shares directly and 130 shares indirectly through a son.
Duolingo, Inc. (DUOL) officer and Chief Business Officer Robert Meese reported an automatic sale of company stock related to equity compensation. On 11/17/2025, 1,444 shares of Class A common stock were sold at a price of $177.95 per share to satisfy tax withholding obligations tied to the vesting of Restricted Stock Units and share delivery. After this transaction, he beneficially owns 123,636 shares directly, along with additional indirect holdings through two qualified minor's trusts.
Duolingo (DUOL): Insider transaction by CTO/Co‑Founder Severin Hacker. A Form 4 reports that on 11/04/2025 he exercised stock options for 10,000 shares at $38.08, converted Class B into Class A on a one‑for‑one basis, and executed multiple Class A sales under a Rule 10b5‑1 trading plan adopted on September 11, 2024. The sales were reported in weighted‑average price tranches ranging from $257.23 to $267.38. Following the reported transactions, direct Class A holdings were 72 shares. Indirect holdings include 2,886,917 Class A shares held by the SBH Trust dated March 10, 2020.
Duolingo, Inc. reported strong Q3 results. Revenue rose to $271.7 million from $192.6 million a year ago as subscriptions and other revenue streams grew. Net income jumped to $292.2 million, primarily due to a one-time income-tax benefit from the release of a valuation allowance on deferred tax assets.
Operational momentum continued: monthly active users reached 135.3 million, daily active users hit 50.5 million, and paid subscribers grew to 11.5 million. Adjusted EBITDA increased to $80.0 million, reflecting scale benefits while the company continued investing in R&D and growth.
The balance sheet strengthened with $1.01 billion in cash and cash equivalents and $441.7 million in deferred revenue, supporting future revenue recognition. Duolingo closed a July 2025 acquisition for $33.1 million cash (goodwill $24.8 million), and expanded its Pittsburgh headquarters lease through 2036, adding a right‑of‑use asset of $35.6 million.
Duolingo, Inc. (DUOL) furnished an update on its performance by announcing financial results for the nine months ended September 30, 2025. The company provided these results through a press release and a shareholder letter dated November 5, 2025.
Consistent with Item 2.02, the information, including Exhibit 99.1 (press release), is being furnished, not filed under General Instruction B.2 and is not subject to Section 18 liabilities. Duolingo also included Exhibit 99.2 (shareholder letter) dated November 5, 2025.
Duolingo (DUOL) insider activity: Co‑Founder/CTO and director Severin Hacker reported multiple transactions on 10/20/2025. He acquired 10,000 Class A shares at
He also reported the settlement of 60,000 performance‑based RSUs, with 31,770 shares withheld for taxes at
Duolingo (DUOL) insider activity: On 10/20/2025, President & CEO, Director, 10% owner and Co‑Founder Luis von Ahn reported multiple equity transactions. 120,000 performance‑based RSUs were settled into 120,000 shares of Class B common stock, then 120,000 Class B shares were converted into 120,000 Class A shares. To cover taxes, 51,768 Class A shares were withheld at $312.73 per share.
Following these transactions, the report lists 780,000 performance‑based RSUs beneficially owned and 3,218,403 shares of Class B common stock beneficially owned. Each Class B share is convertible into one Class A share and is subject to automatic conversion under specified conditions.
Duolingo, Inc. filed a Form 144 notice reporting a proposed sale of 1,000 shares of common stock through Morgan Stanley Smith Barney LLC on
Duolingo insider Severin Hacker reported multiple transactions dated
Duolingo, Inc. notice records a proposed sale of 40,000 common shares by an insider via Morgan Stanley Smith Barney, with an aggregate market value of $12,905,200 and an approximate sale date of 10/06/2025 on NASDAQ. The securities were acquired the same day by exercise of stock options and paid in cash. The filing also discloses six prior 10b5-1 plan sales by the same person, each for 10,000 shares between 07/07/2025 and 09/19/2025, producing gross proceeds ranging from $2,685,462 to $3,928,885. The signer represents they have no undisclosed material adverse information and, where applicable, relies on a written trading plan or instructions that satisfy Rule 10b5-1.