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[Form 4] Duolingo, Inc. Insider Trading Activity

Filing Impact
(High)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

Duolingo CFO Matthew Skaruppa reported multiple transactions on 08/26/2025. He exercised a stock option for 1,378 shares at $14.42 and sold a total of 10,937 Class A shares under a Rule 10b5-1 trading plan, with weighted-average sale prices in multiple ranges from about $310.87 to $321.36 per share. Following these transactions, the filing shows beneficial ownership of 43,345 Class A shares. The sales were executed pursuant to a 10b5-1 plan adopted May 27, 2025, and the reporting person commits to provide transaction-level price details on request.

Il CFO di Duolingo, Matthew Skaruppa, ha comunicato più operazioni in data 26/08/2025. Ha esercitato un'opzione su 1.378 azioni al prezzo di $14,42 e ha venduto complessivamente 10.937 azioni di Classe A nell'ambito di un piano di negoziazione Rule 10b5-1, con prezzi medi ponderati di vendita in diverse fasce, approssimativamente da $310,87 a $321,36 per azione. A seguito di tali operazioni, la dichiarazione indica una proprietà effettiva di 43.345 azioni di Classe A. Le vendite sono state eseguite ai sensi di un piano 10b5-1 adottato il 27 maggio 2025 e la persona che segnala si impegna a fornire i prezzi per ciascuna transazione su richiesta.

El director financiero de Duolingo, Matthew Skaruppa, informó varias operaciones el 26/08/2025. Ejerció una opción sobre 1.378 acciones a $14,42 y vendió un total de 10.937 acciones Clase A bajo un plan de negociación Rule 10b5-1, con precios de venta ponderados medios en distintos tramos, aproximadamente entre $310,87 y $321,36 por acción. Tras estas transacciones, la presentación indica una titularidad beneficiaria de 43.345 acciones Clase A. Las ventas se ejecutaron conforme a un plan 10b5-1 adoptado el 27 de mayo de 2025 y la persona informante se compromete a facilitar los precios por transacción si se solicitan.

Duolingo의 최고재무책임자(CFO) 매튜 스카루파(Matthew Skaruppa)는 2025년 8월 26일 여러 거래를 보고했습니다. 그는 주당 $14.42에 1,378주 옵션을 행사했고, Rule 10b5-1 거래 계획에 따라 총 10,937주 Class A를 여러 구간에 걸쳐(주당 약 $310.87에서 $321.36 사이의 가중평균 매도 가격) 매도했습니다. 이들 거래 이후 제출서류에는 43,345주 Class A의 실질 보유가 표시되어 있습니다. 매도는 2025년 5월 27일 채택된 10b5-1 계획에 따라 이뤄졌으며, 보고인은 요청 시 거래별 가격 상세를 제공하겠다고 약속했습니다.

Le directeur financier de Duolingo, Matthew Skaruppa, a déclaré plusieurs transactions le 26/08/2025. Il a exercé une option portant sur 1 378 actions au prix de 14,42 $ et a vendu au total 10 937 actions de catégorie A dans le cadre d’un plan de négociation Rule 10b5-1, avec des prix de vente moyens pondérés s’échelonnant environ de 310,87 $ à 321,36 $ par action. À la suite de ces opérations, le dossier indique une détention bénéficiaire de 43 345 actions de catégorie A. Les ventes ont été réalisées en vertu d’un plan 10b5-1 adopté le 27 mai 2025, et la personne déclarant s’engage à fournir les détails des prix par transaction sur demande.

Duolingo-Finanzvorstand Matthew Skaruppa meldete am 26.08.2025 mehrere Transaktionen. Er übte eine Aktienoption über 1.378 Aktien zu $14,42 aus und verkaufte insgesamt 10.937 Class-A-Aktien im Rahmen eines Rule-10b5-1-Handelsplans, mit gewichteten Mittelpreisen in mehreren Bereichen von etwa $310,87 bis $321,36 je Aktie. Nach diesen Transaktionen weist die Meldung einen wirtschaftlichen Besitz von 43.345 Class-A-Aktien aus. Die Verkäufe wurden gemäß einem am 27. Mai 2025 angenommenen 10b5-1-Plan ausgeführt, und die meldende Person verpflichtet sich, auf Anfrage Transaktionspreisdetails bereitzustellen.

Positive
  • None.
Negative
  • None.

Insights

TL;DR: Insider exercised options then sold shares under a documented 10b5-1 plan; disclosure follows standard governance practice.

The filing documents a fully vested option exercise of 1,378 shares at $14.42 and subsequent sales of 10,937 Class A shares executed under a 10b5-1 plan adopted May 27, 2025. Use of a pre-established trading plan and the offer to disclose per-trade price details are consistent with robust insider-trading controls and transparency. The report clearly discloses post-transaction beneficial ownership of 43,345 shares and identifies the transactions' weighted-average price ranges.

TL;DR: Option exercise at low strike followed by staged sales at $310–$321 ranges; quantified insider liquidity event.

The reporting shows conversion of a stock option and immediate market sales in multiple tranches totaling 10,937 shares on a single date. Footnotes provide the sale price ranges for each tranche, indicating execution across different price points between approximately $310.87 and $321.36. The filing states the shares were sold via broker-calculated weighted-average prices and that detailed per-trade pricing will be furnished upon request. This is a routine liquidity action executed under a 10b5-1 plan.

Il CFO di Duolingo, Matthew Skaruppa, ha comunicato più operazioni in data 26/08/2025. Ha esercitato un'opzione su 1.378 azioni al prezzo di $14,42 e ha venduto complessivamente 10.937 azioni di Classe A nell'ambito di un piano di negoziazione Rule 10b5-1, con prezzi medi ponderati di vendita in diverse fasce, approssimativamente da $310,87 a $321,36 per azione. A seguito di tali operazioni, la dichiarazione indica una proprietà effettiva di 43.345 azioni di Classe A. Le vendite sono state eseguite ai sensi di un piano 10b5-1 adottato il 27 maggio 2025 e la persona che segnala si impegna a fornire i prezzi per ciascuna transazione su richiesta.

El director financiero de Duolingo, Matthew Skaruppa, informó varias operaciones el 26/08/2025. Ejerció una opción sobre 1.378 acciones a $14,42 y vendió un total de 10.937 acciones Clase A bajo un plan de negociación Rule 10b5-1, con precios de venta ponderados medios en distintos tramos, aproximadamente entre $310,87 y $321,36 por acción. Tras estas transacciones, la presentación indica una titularidad beneficiaria de 43.345 acciones Clase A. Las ventas se ejecutaron conforme a un plan 10b5-1 adoptado el 27 de mayo de 2025 y la persona informante se compromete a facilitar los precios por transacción si se solicitan.

Duolingo의 최고재무책임자(CFO) 매튜 스카루파(Matthew Skaruppa)는 2025년 8월 26일 여러 거래를 보고했습니다. 그는 주당 $14.42에 1,378주 옵션을 행사했고, Rule 10b5-1 거래 계획에 따라 총 10,937주 Class A를 여러 구간에 걸쳐(주당 약 $310.87에서 $321.36 사이의 가중평균 매도 가격) 매도했습니다. 이들 거래 이후 제출서류에는 43,345주 Class A의 실질 보유가 표시되어 있습니다. 매도는 2025년 5월 27일 채택된 10b5-1 계획에 따라 이뤄졌으며, 보고인은 요청 시 거래별 가격 상세를 제공하겠다고 약속했습니다.

Le directeur financier de Duolingo, Matthew Skaruppa, a déclaré plusieurs transactions le 26/08/2025. Il a exercé une option portant sur 1 378 actions au prix de 14,42 $ et a vendu au total 10 937 actions de catégorie A dans le cadre d’un plan de négociation Rule 10b5-1, avec des prix de vente moyens pondérés s’échelonnant environ de 310,87 $ à 321,36 $ par action. À la suite de ces opérations, le dossier indique une détention bénéficiaire de 43 345 actions de catégorie A. Les ventes ont été réalisées en vertu d’un plan 10b5-1 adopté le 27 mai 2025, et la personne déclarant s’engage à fournir les détails des prix par transaction sur demande.

Duolingo-Finanzvorstand Matthew Skaruppa meldete am 26.08.2025 mehrere Transaktionen. Er übte eine Aktienoption über 1.378 Aktien zu $14,42 aus und verkaufte insgesamt 10.937 Class-A-Aktien im Rahmen eines Rule-10b5-1-Handelsplans, mit gewichteten Mittelpreisen in mehreren Bereichen von etwa $310,87 bis $321,36 je Aktie. Nach diesen Transaktionen weist die Meldung einen wirtschaftlichen Besitz von 43.345 Class-A-Aktien aus. Die Verkäufe wurden gemäß einem am 27. Mai 2025 angenommenen 10b5-1-Plan ausgeführt, und die meldende Person verpflichtet sich, auf Anfrage Transaktionspreisdetails bereitzustellen.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
 Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Skaruppa Matthew
(Last) (First) (Middle)
C/O DUOLINGO, INC.
5900 PENN AVENUE
(Street)
PITTSBURGH PA 15206
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Duolingo, Inc. [ DUOL ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Financial Officer
3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 08/26/2025 M 1,378 A $14.42 54,282 D
Class A Common Stock 08/26/2025 S(1) 500 D $311.378(2) 53,782 D
Class A Common Stock 08/26/2025 S(1) 300 D $312.67(3) 53,482 D
Class A Common Stock 08/26/2025 S(1) 755 D $314.1634(4) 52,727 D
Class A Common Stock 08/26/2025 S(1) 1,402 D $315.2669(5) 51,325 D
Class A Common Stock 08/26/2025 S(1) 2,301 D $316.2427(6) 49,024 D
Class A Common Stock 08/26/2025 S(1) 800 D $317.4428(7) 48,224 D
Class A Common Stock 08/26/2025 S(1) 1,501 D $318.358(8) 46,723 D
Class A Common Stock 08/26/2025 S(1) 700 D $319.3285(9) 46,023 D
Class A Common Stock 08/26/2025 S(1) 1,100 D $320.5045(10) 44,923 D
Class A Common Stock 08/26/2025 S(1) 1,578 D $321.334(11) 43,345 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $14.42 08/26/2025 M 1,378 (12) 03/10/2030 Class A Common Stock 1,378 $0 0 D
Explanation of Responses:
1. The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.
2. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $310.87 to $311.80, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
3. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $312.18 to $313.13, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $313.69 to $314.63, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $314.70 to $315.67, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
6. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $315.76 to $316.75, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
7. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $316.94 to $317.90, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
8. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $317.97 to $318.70, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
9. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $319.05 to $319.83, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
10. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $320.08 to $320.95, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
11. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $321.14 to $321.36, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.
12. The shares subject to the option are fully vested and exercisable.
Remarks:
/s/ Stephen Chen, as Attorney-in-Fact for Matthew Skaruppa 08/28/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What transactions did Duolingo CFO Matthew Skaruppa report on Form 4 (DUOL)?

He exercised a stock option for 1,378 shares at $14.42 and sold 10,937 Class A shares on 08/26/2025 under a Rule 10b5-1 plan.

Were the sales by Matthew Skaruppa pre-arranged or discretionary?

The sales were executed pursuant to a Rule 10b5-1 trading plan adopted on May 27, 2025, as stated in the filing.

What price ranges were reported for the shares sold by the reporting person?

Footnotes disclose weighted-average sale prices with per-tranche ranges approximately from $310.87 to $321.36, with specific tranche averages reported in the filing.

How many shares did the reporting person beneficially own after the transactions?

The filing reports beneficial ownership of 43,345 Class A shares following the reported transactions.

Will detailed per-trade pricing be available?

Yes; the reporting person states they will provide full information on the number of shares sold at each price within the disclosed ranges upon request to the SEC, issuer, or a security holder.
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Duolingo, Inc.

NASDAQ:DUOL

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#719 Ranked by Market Cap
N/A Ranked by Dividends

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[Form 4] Duolingo, Inc. Insider Trading Activity
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[Form 4] Duolingo, Inc. Insider Trading Activity

DUOL Stock Data

14.57B
39.00M
0.81%
101.54%
5.36%
Software - Application
Services-prepackaged Software
Link
United States
PITTSBURGH