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. reported that it issued a press release with a preliminary update on certain operating metrics for the quarter ended December 31, 2025, noting that these figures are estimates and may change after normal closing and review procedures. The release is furnished as an exhibit rather than filed, meaning it is not automatically incorporated into other securities filings.
The company also announced a planned chief financial officer transition. Matthew Skaruppa has resigned as CFO, to be succeeded by current director Gillian Munson as chief financial officer, principal financial officer, and principal accounting officer effective February 23, 2026. The company states that neither Skaruppa nor Munson resigned because of any disagreements regarding operations, policies, or practices. Skaruppa will remain in an advisory role through November 20, 2026 under a transition agreement providing a monthly base salary of $32,292, continued RSU vesting, and access to certain benefits. Munson’s offer includes an $800,000 annual base salary and a start-date RSU grant calculated from $14 million in value, vesting over four years, along with defined severance protections, including salary continuation and potential equity acceleration upon certain terminations.
Duolingo, Inc. director Mario Schlosser filed an amended insider ownership report related to a transaction dated June 11, 2025. The amendment corrects a prior filing that accidentally left out 1,742 shares that were beneficially owned after the reported transaction. Following this correction, Schlosser is shown as directly owning 2,121 shares of Duolingo Class A common stock. This update is administrative in nature and does not reflect a new transaction, but rather a clarification of the director's previously reported holdings.
Duolingo, Inc. director updates insider share holdings after prior omission. A reporting person who serves as a director of Duolingo, Inc. (DUOL) has filed an amended insider trading report to correct the number of Class A common shares beneficially owned after a previously reported transaction dated June 11, 2025. The amendment explains that a filing made on June 18, 2025 inadvertently left out an additional 965 shares that were beneficially owned following that transaction.
After including the omitted amount, the director now reports beneficial ownership of 1,344 shares of Duolingo Class A common stock, held directly. The filing is made by a single reporting person and is signed by an attorney-in-fact on the director’s behalf.
Duolingo, Inc. (DUOL) CTO and Co-Founder Severin Hacker, who is also a director and 10% owner, reported insider transactions dated 11/19/2025 on a Form 4. He exercised a stock option for 10,000 shares of Class B Common Stock at an exercise price of $38.08 per share, which are convertible into Class A Common Stock.
On the same date, he sold multiple blocks of Class A Common Stock, including 1,146 shares at a weighted average price of $169.5673 and additional sales at weighted average prices up to $176.6814, all under a Rule 10b5-1 trading plan adopted on September 11, 2024. After these transactions, he beneficially owned 72 shares of Class A Common Stock directly and 2,886,917 shares of Class A Common Stock indirectly through SBH Trust dated March 10, 2020.
Duolingo, Inc. (DUOL) reported insider share sales by its General Counsel on a Form 4. On 11/17/2025, the officer sold 1,282 shares of Class A common stock at $177.95, described as an automatic sale to cover tax withholding from vesting Restricted Stock Units. On 11/18/2025, additional sales of 120, 594, 320, and 480 shares were executed at weighted average prices of $173.97, $175.1512, $175.9363, and $177.1858, respectively.
The filing notes that the 11/18/2025 sales were made under a Rule 10b5-1 trading plan adopted on May 27, 2025, meaning they were pre-scheduled. After these transactions, the reporting person beneficially owns 31,542 shares of Duolingo Class A common stock, held directly.
Duolingo, Inc. (DUOL)11/17/2025, the CFO disposed of 2,799 shares of Class A common stock at a price of $177.95 per share, with the filing noting this sale was to cover tax withholding tied to vesting restricted stock units. On 11/18/2025, additional sales totaling several thousand shares occurred in multiple trades at weighted average prices between about $174 and $178 per share under a Rule 10b5-1 trading plan adopted on May 27, 2025. Following these transactions, the CFO beneficially owned 37,487 shares of Duolingo Class A common stock.
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.