Duolingo, Inc.'s SEC filings document its Nasdaq-listed Class A common stock, operating results furnished on Form 8-K, and governance matters presented through proxy materials. The filings cover quarterly and annual financial-result releases, preliminary operating metrics, shareholder-letter exhibits and amendments to furnished earnings materials.
Duolingo filings also record capital-allocation disclosures, including a share repurchase authorization, and public-company governance items such as annual meeting proposals, board and committee matters, executive compensation, equity awards and leadership appointments. These records describe the company's reporting controls, stockholder voting framework and corporate actions as a public mobile learning platform.
Stephen C. Chen, General Counsel of Duolingo, Inc. (DUOL), reported the disposition of 1,282 shares of Class A common stock on 08/15/2025 at an average price of $329.03 per share. The sale was executed to satisfy tax withholding obligations arising from the vesting and delivery of restricted stock units (RSUs).
After the reported transaction Mr. Chen beneficially owns 34,153 shares of Class A common stock. The Form 4 was signed and filed on 08/18/2025.
Duolingo CFO Matthew Skaruppa sold 2,797 shares of Class A common stock on 08/15/2025 at $329.03 per share, leaving him with 52,904 shares directly held. The Form 4 states the sale was made to satisfy tax withholding obligations arising from the vesting and delivery of Restricted Stock Units (RSUs). The transaction is reported as a routine disposition tied to compensation-related vesting rather than an open-market investment decision.
Natalie Glance, Chief Engineering Officer of Duolingo, sold 2,533 shares of Class A common stock on 08/15/2025 at $329.03 per share to satisfy tax withholding tied to the vesting of restricted stock units (RSUs). After the transaction she beneficially owned 122,112 shares directly and 130 shares indirectly (held by her son). The filing was submitted via attorney-in-fact Stephen Chen on 08/18/2025. This disclosure documents a routine, non-discretionary sale to cover tax obligations arising from equity compensation.
Duolingo insider sale tied to RSU tax withholding Robert Meese, Chief Business Officer, reported a sale of 1,444 shares of Duolingo Class A common stock on 08/15/2025 at $329.03 per share. The filing states these shares were automatically sold to satisfy tax withholding obligations upon vesting of restricted stock units. After the transaction, Meese directly beneficially owned 120,080 Class A shares. The filing also discloses indirect holdings of 1,800 Class A shares each held by the Eliot Meese Qualified Minor's Trust and the Isaac Meese Qualified Minor's Trust. The Form 4 is signed by an attorney-in-fact on behalf of Meese on 08/18/2025.
Duolingo, Inc. (DUOL) insider sale notice: The filing reports a proposed sale of 5,754 shares of Duolingo common stock through Morgan Stanley Smith Barney LLC with an approximate aggregate market value of $1,881,155.22. The filing lists the approximate date of sale as 08/18/2025 and reports 39,694,545 shares outstanding. The shares were acquired as Restricted Stock Units on 08/15/2024 and paid on that date. The form also discloses prior sales by the same person: 261 shares sold on 08/15/2025 for $85,877.67 and 2,709 shares sold under a Rule 10b5-1 plan on 07/01/2025 for $1,090,509.58.
Duolingo insider sale notice under Rule 144: This Form 144 reports a proposed sale of 2,533 shares of the issuer's common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $833,441.10 and an approximate sale date of 08/15/2025 on NASDAQ. The filing states these shares were acquired as restricted stock on 08/15/2025 from the issuer and paid for on that date.
The form also discloses recent sales by the same person: 2,709 shares sold on 07/01/2025 for $1,090,581.46 and 3,267 shares sold on 05/16/2025 for $1,726,185.67. The filer attests there is no undisclosed material adverse information.
Duolingo insider sale notice: This Form 144 shows that Matthew Skaruppa intends to sell 2,797 shares of Duolingo common stock through Morgan Stanley Smith Barney on 08/15/2025 on NASDAQ, with an aggregate market value reported as $920,305.86. The shares were recorded as restricted stock acquired from the issuer on 08/15/2025 and payment is noted the same day. The filing also discloses that Mr. Skaruppa sold 3,573 shares on 05/16/2025 for gross proceeds of $1,887,802.30. By signing, the filer represents there is no undisclosed material adverse information about the issuer.
Duolingo, Inc. (DUOL) Form 144 notice reports a proposed sale of 1,444 shares of common stock, with an aggregate market value of $475,123.94, to be sold on or about 08/15/2025 on NASDAQ. The filing shows the shares were acquired as restricted stock from the issuer on 08/15/2025. The company’s outstanding common shares are listed as 45,821,907, making this sale a very small fraction of total shares outstanding. The filer certifies no undisclosed material adverse information and affirms compliance with Rule 144 disclosure requirements.
Stephen C. Chen, General Counsel of Duolingo, Inc. (DUOL), reported a non-derivative disposition of 750 shares of Class A common stock on 08/15/2025 via transaction code G indicating a gift. After the reported disposition, Mr. Chen beneficially owned 35,435 shares, held directly. The filing discloses the insider's transfer method and remaining direct ownership in clear, routine SEC Form 4 format.
Duolingo, Inc. (DUOL) notice of proposed sale under Rule 144 shows an insider plans to sell 1,282 restricted common shares through Morgan Stanley Smith Barney LLC, with an aggregate market value reported as $421,820.56. The filing states the shares were acquired on 08/15/2025 from the issuer as restricted stock and payment was recorded as 08/15/2025. The filer also reported a prior sale by the same person of 2,635 common shares on 05/16/2025 generating gross proceeds of $1,388,480.36. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.