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.
Duolingo鈥檚 friendly owl nudges more than 75 million learners each day, but what matters to investors is how those daily streaks translate into subscription revenue, advertising yields, and Duolingo English Test fees. The company鈥檚 SEC disclosures dig into user retention curves, paid-to-free ratios, and R&D spend on adaptive AI. If you鈥檙e searching for 鈥淒uolingo SEC filings explained simply鈥� or wondering 鈥渉ow to read a Duolingo annual report 10-K simplified,鈥� you鈥檙e in the right place.
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Enovix Corporation (ENVX) 鈥� Form 4 insider filing dated 07/09/2025
Chief Legal Officer Arthi Chakravarthy reported an automatic share disposition related to the vesting of restricted stock units (RSUs) on 07/08/2025. The company withheld 4,287 common shares at a reference price of $13.44 per share (transaction code F) solely to cover federal and state tax obligations. No open-market purchase or sale occurred.
Following the withholding, Chakravarthy鈥檚 aggregate beneficial ownership stands at 431,334 shares, of which 343,953 shares are underlying un-settled RSUs. Ownership remains direct; no indirect holdings were reported. The filing does not reveal additional derivative transactions or new option grants.
Because the transaction represents routine tax-withholding rather than discretionary buying or selling, the filing carries minimal market impact and does not materially alter the insider鈥檚 exposure to ENVX equity.
Arhaus, Inc. (NASDAQ: ARHS) filed an 8-K announcing a board change. On 27 June 2025 the Board appointed Samir Desai鈥攃urrently EVP & Chief Digital and Technology Officer at Abercrombie & Fitch鈥攁s an independent Class III director. His initial term runs until the 2027 annual meeting, after which he is expected to stand for re-election. Desai will sit on the Board鈥檚 Technology Committee, bringing extensive omnichannel retail and IT leadership experience from Abercrombie & Fitch, Equinox Group and Intertex Apparel Group. To accommodate the appointment, the Board鈥檚 size rises from ten to eleven directors. Compensation will mirror that of Arhaus鈥檚 other non-employee directors and no related-party transactions were reported. Exhibit 104 (Inline XBRL cover page) accompanies the filing.
Duolingo CTO and Co-Founder Severin Hacker executed multiple stock transactions on June 20, 2025, as reported in this Form 4 filing. The transactions included:
- Exercise of stock options for 10,000 shares at $38.08 per share
- Conversion of Class B shares to Class A shares
- Sale of 10,000 Class A shares in multiple transactions at prices ranging from $465.82 to $481.35
Following these transactions, Hacker holds 72 Class A shares directly and 105,252 stock options. Additionally, he maintains indirect ownership of 2,896,917 Class B shares through the SBH Trust. The sales were executed under a Rule 10b5-1 trading plan established on September 11, 2024. Hacker maintains significant ownership as a Director, 10% Owner, and Chief Technology Officer.
Duolingo, Inc. (DUOL) filed a Form 144 indicating a planned sale of 70,000 common shares through Morgan Stanley Smith Barney. The shares have an aggregate market value of $33,511,100, implying a reference price of roughly $479 per share. The transaction is scheduled for 20 June 2025 and represents approximately 0.18 % of the company鈥檚 39,260,633 shares outstanding; therefore, no dilution is involved, but the filing signals potential insider sentiment.
The filing also details five prior 10b5-1 sales by the same account holder鈥攊dentified in the tables as 鈥淪everin Hacker鈥濃攖otalling 50,000 shares between 7 April 2025 and 5 June 2025 for gross proceeds of about $21.6 million. When combined with the proposed transaction, the insider will have disposed of 120,000 shares within roughly three months.
Investors typically scrutinise repeated insider disposals for potential negative signals regarding future performance or valuation. Nevertheless, the Rule 144 notice and use of a 10b5-1 trading plan provide transparency and a structured framework that reduces the likelihood of trading on undisclosed material information.
Duolingo director Mario Schlosser received 379 restricted stock units (RSUs) of Class A Common Stock on June 11, 2025. The RSUs were granted at $0 cost and represent direct ownership.
Key terms of the RSU grant:
- Each RSU converts to one share of Class A Common Stock upon vesting
- Vesting occurs at the earlier of: - First anniversary of grant date - Next annual stockholder meeting
- Vesting is contingent on continued service with Duolingo
This Form 4 filing, executed by Stephen Chen as attorney-in-fact on June 20, 2025, discloses standard equity compensation for a board member, indicating continued alignment between director and shareholder interests.
Director Gillian Munson of Duolingo received a new equity grant on June 11, 2025, consisting of 379 restricted stock units (RSUs) of Class A Common Stock. Following this transaction, Munson now beneficially owns 3,909 shares directly.
Key terms of the RSU grant:
- Each RSU converts to one share of Class A Common Stock upon vesting
- Vesting occurs at the earlier of: (1) first anniversary of grant date or (2) next annual stockholder meeting
- Vesting is contingent on continued service with Duolingo
- The RSUs were granted at $0 cost to the director
This Form 4 filing was submitted by Stephen Chen as Attorney-in-Fact for Munson on June 18, 2025, within the required reporting timeline for insider transactions.
Duolingo director Sara Clemens received a grant of 379 restricted stock units (RSUs) on June 11, 2025. Following this transaction, Clemens beneficially owns 3,954 shares of Class A Common Stock directly.
Key terms of the RSU grant:
- Each RSU converts to one share of Class A Common Stock upon vesting
- Vesting occurs at the earlier of: (1) first anniversary of grant date or (2) next annual stockholder meeting
- Vesting is contingent on continued service with Duolingo
- The RSUs were granted at $0 cost to the director
This Form 4 filing represents standard equity compensation for a board member, filed in compliance with SEC regulations requiring disclosure of insider transactions. The transaction was executed under normal board compensation arrangements.
Duolingo director Bonnie Ross received a grant of 379 restricted stock units (RSUs) on June 11, 2025. The RSUs represent the right to receive an equal number of Class A Common Stock shares upon vesting.
Key terms of the RSU grant:
- Grant price: $0
- Vesting schedule: 100% vests at earlier of (i) first anniversary of grant date or (ii) next annual stockholder meeting
- Vesting condition: Continued service with Duolingo
- Each RSU converts to one share of Class A Common Stock upon vesting
This Form 4 filing, reported on June 28, 2025, reflects standard equity compensation for board service. The transaction was executed under direct ownership.
Duolingo director John Osborne Lilly III received a grant of 379 restricted stock units (RSUs) on June 11, 2025. Following this transaction, Lilly owns a total of 6,904 shares of Class A Common Stock directly.
Key terms of the RSU grant:
- Each RSU converts to one share of Class A Common Stock upon vesting
- Vesting occurs at the earlier of: (1) first anniversary of grant date or (2) next annual stockholder meeting
- Vesting is contingent on continued service with Duolingo
- The RSUs were granted at $0 cost to the director
This Form 4 filing represents standard equity compensation for a board member, indicating continued alignment between director and shareholder interests through stock ownership.
Duolingo director James H. Shelton received 379 restricted stock units (RSUs) on June 11, 2025, as reported in this Form 4 filing. Following the transaction, Shelton now owns 4,632 shares of Class A Common Stock directly.
Key details of the RSU grant:
- RSUs were granted at $0 exercise price
- Each RSU converts to one share of Class A Common Stock upon vesting
- Vesting occurs at the earlier of: - One year from grant date - Next annual stockholder meeting
- Vesting is contingent on continued service with Duolingo
This equity grant appears to be part of Duolingo's director compensation program. The transaction was reported through an attorney-in-fact on June 18, 2025.