AG˹ٷ

STOCK TITAN

[Form 4] Duolingo, Inc. Insider Trading Activity

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

Enovix Corporation (ENVX) � 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’s 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’s exposure to ENVX equity.

Enovix Corporation (ENVX) � Comunicazione interna Form 4 datata 09/07/2025

Il Chief Legal Officer Arthi Chakravarthy ha segnalato una cessione automatica di azioni correlata al consolidamento di unità azionarie vincolate (RSU) avvenuta il 08/07/2025. La società ha trattenuto 4.287 azioni ordinarie al prezzo di riferimento di 13,44 $ per azione (codice transazione F) esclusivamente per coprire obblighi fiscali federali e statali. Non si è verificato alcun acquisto o vendita sul mercato aperto.

Dopo la trattenuta, la proprietà complessiva di Chakravarthy ammonta a 431.334 azioni, di cui 343.953 azioni sono RSU non ancora regolate. La proprietà rimane diretta; non sono state segnalate partecipazioni indirette. La comunicazione non evidenzia ulteriori transazioni derivati o nuove concessioni di opzioni.

Poiché la transazione rappresenta una normale trattenuta fiscale e non un acquisto o vendita discrezionale, la comunicazione ha un impatto minimo sul mercato e non modifica sostanzialmente l’esposizione dell’insider al capitale ENVX.

Enovix Corporation (ENVX) � Presentación interna Formulario 4 fechada 09/07/2025

La directora legal, Arthi Chakravarthy, reportó una disposición automática de acciones relacionada con la consolidación de unidades restringidas de acciones (RSU) el 08/07/2025. La compañía retuvo 4,287 acciones ordinarias a un precio de referencia de $13.44 por acción (código de transacción F) únicamente para cubrir obligaciones fiscales federales y estatales. No hubo compra ni venta en el mercado abierto.

Tras la retención, la propiedad total de Chakravarthy asciende a 431,334 acciones, de las cuales 343,953 acciones son RSU pendientes de liquidación. La propiedad sigue siendo directa; no se reportaron participaciones indirectas. La presentación no revela transacciones adicionales con derivados ni nuevas concesiones de opciones.

Dado que la transacción representa una retención fiscal rutinaria y no una compra o venta discrecional, la presentación tiene un impacto mínimo en el mercado y no altera materialmente la exposición del insider al capital de ENVX.

Enovix Corporation (ENVX) � 2025� 7� 9일자 내부� 신고�(Form 4)

법률 최고책임� Arthi Chakravarthy가 2025� 7� 8� 제한 주식 단위(RSU) 권리 취득� 관련된 자동 주식 처분� 보고했습니다. 회사� 연방 � � 세금 의무� 충당하기 위해 4,287� 보통�� 주당 $13.44� 기준 가�(거래 코드 F)으로 원천징수했습니다. 공개 시장에서� 매매� 없었습니�.

원천징수 � Chakravarthy� � 실질 보유 주식은 431,334�이며, � � 343,953�� 아직 정산되지 않은 RSU입니�. 보유 형태� 직접 보유이며, 간접 보유� 보고되지 않았습니�. 추가 파생상품 거래� 신규 옵션 부여는 보고서에 나타나지 않았습니�.

� 거래� 임의 매매가 아닌 세금 원천징수� 따른 일상적인 거래이므� 시장� 미치� 영향은 미미하며 내부자의 ENVX 지� 노출� 실질적인 변화가 없습니다.

Enovix Corporation (ENVX) � Déclaration d’initié Formulaire 4 datée du 09/07/2025

La directrice juridique Arthi Chakravarthy a signalé une cession automatique d’actions liée à la levée d’unités d’actions restreintes (RSU) le 08/07/2025. La société a retenu 4 287 actions ordinaires à un prix de référence de 13,44 $ par action (code transaction F) uniquement pour couvrir les obligations fiscales fédérales et étatiques. Aucun achat ou vente sur le marché ouvert n’a eu lieu.

Après cette retenue, la détention globale de Chakravarthy s’élève à 431 334 actions, dont 343 953 actions sont des RSU non encore réglées. La propriété reste directe ; aucune participation indirecte n’a été déclarée. La déclaration ne révèle pas d’autres opérations sur dérivés ou de nouvelles attributions d’options.

Étant donné que cette opération représente une retenue fiscale courante plutôt qu’un achat ou une vente discrétionnaire, la déclaration a un impact minimal sur le marché et ne modifie pas de manière significative l’exposition de l’initié aux actions ENVX.

Enovix Corporation (ENVX) � Insider-Meldung Form 4 vom 09.07.2025

Die Chief Legal Officer Arthi Chakravarthy meldete eine automatische Aktienveräußerung im Zusammenhang mit der Ausübung von Restricted Stock Units (RSUs) am 08.07.2025. Das Unternehmen behielt 4.287 Stammaktien zum Referenzpreis von 13,44 $ pro Aktie (Transaktionscode F> ein, ausschließlich zur Abdeckung von bundes- und landessteuerlichen Verpflichtungen. Kein Kauf oder Verkauf am offenen Markt fand statt.

Nach der Einbehaltung beläuft sich Chakravarthys gesamtes wirtschaftliches Eigentum auf 431.334 Aktien, davon sind 343.953 Aktien noch unabgewickelte RSUs. Das Eigentum bleibt direkt; keine indirekten Beteiligungen wurden gemeldet. Die Meldung zeigt keine weiteren Derivatgeschäfte oder neue Optionszuteilungen.

Da die Transaktion eine routinemäßige Steuerabführung und keinen diskretionären Kauf oder Verkauf darstellt, hat die Meldung geringen Markteinfluss und ändert die Insider-Beteiligung an ENVX nicht wesentlich.

Positive
  • None.
Negative
  • None.

Insights

TL;DR: Routine tax-withholding; neutral signal, does not change insider ownership meaningfully.

The Form 4 shows an F-code transaction—shares withheld to satisfy taxes on RSU vesting. Such actions are mandated and therefore provide no directional insight into insider sentiment. Chakravarthy’s remaining 431k-share stake (�0.2�0.3% of outstanding, depending on share count) indicates continued alignment but is unchanged economically. Investors should view this as administrative housekeeping rather than a valuation catalyst.

Enovix Corporation (ENVX) � Comunicazione interna Form 4 datata 09/07/2025

Il Chief Legal Officer Arthi Chakravarthy ha segnalato una cessione automatica di azioni correlata al consolidamento di unità azionarie vincolate (RSU) avvenuta il 08/07/2025. La società ha trattenuto 4.287 azioni ordinarie al prezzo di riferimento di 13,44 $ per azione (codice transazione F) esclusivamente per coprire obblighi fiscali federali e statali. Non si è verificato alcun acquisto o vendita sul mercato aperto.

Dopo la trattenuta, la proprietà complessiva di Chakravarthy ammonta a 431.334 azioni, di cui 343.953 azioni sono RSU non ancora regolate. La proprietà rimane diretta; non sono state segnalate partecipazioni indirette. La comunicazione non evidenzia ulteriori transazioni derivati o nuove concessioni di opzioni.

Poiché la transazione rappresenta una normale trattenuta fiscale e non un acquisto o vendita discrezionale, la comunicazione ha un impatto minimo sul mercato e non modifica sostanzialmente l’esposizione dell’insider al capitale ENVX.

Enovix Corporation (ENVX) � Presentación interna Formulario 4 fechada 09/07/2025

La directora legal, Arthi Chakravarthy, reportó una disposición automática de acciones relacionada con la consolidación de unidades restringidas de acciones (RSU) el 08/07/2025. La compañía retuvo 4,287 acciones ordinarias a un precio de referencia de $13.44 por acción (código de transacción F) únicamente para cubrir obligaciones fiscales federales y estatales. No hubo compra ni venta en el mercado abierto.

Tras la retención, la propiedad total de Chakravarthy asciende a 431,334 acciones, de las cuales 343,953 acciones son RSU pendientes de liquidación. La propiedad sigue siendo directa; no se reportaron participaciones indirectas. La presentación no revela transacciones adicionales con derivados ni nuevas concesiones de opciones.

Dado que la transacción representa una retención fiscal rutinaria y no una compra o venta discrecional, la presentación tiene un impacto mínimo en el mercado y no altera materialmente la exposición del insider al capital de ENVX.

Enovix Corporation (ENVX) � 2025� 7� 9일자 내부� 신고�(Form 4)

법률 최고책임� Arthi Chakravarthy가 2025� 7� 8� 제한 주식 단위(RSU) 권리 취득� 관련된 자동 주식 처분� 보고했습니다. 회사� 연방 � � 세금 의무� 충당하기 위해 4,287� 보통�� 주당 $13.44� 기준 가�(거래 코드 F)으로 원천징수했습니다. 공개 시장에서� 매매� 없었습니�.

원천징수 � Chakravarthy� � 실질 보유 주식은 431,334�이며, � � 343,953�� 아직 정산되지 않은 RSU입니�. 보유 형태� 직접 보유이며, 간접 보유� 보고되지 않았습니�. 추가 파생상품 거래� 신규 옵션 부여는 보고서에 나타나지 않았습니�.

� 거래� 임의 매매가 아닌 세금 원천징수� 따른 일상적인 거래이므� 시장� 미치� 영향은 미미하며 내부자의 ENVX 지� 노출� 실질적인 변화가 없습니다.

Enovix Corporation (ENVX) � Déclaration d’initié Formulaire 4 datée du 09/07/2025

La directrice juridique Arthi Chakravarthy a signalé une cession automatique d’actions liée à la levée d’unités d’actions restreintes (RSU) le 08/07/2025. La société a retenu 4 287 actions ordinaires à un prix de référence de 13,44 $ par action (code transaction F) uniquement pour couvrir les obligations fiscales fédérales et étatiques. Aucun achat ou vente sur le marché ouvert n’a eu lieu.

Après cette retenue, la détention globale de Chakravarthy s’élève à 431 334 actions, dont 343 953 actions sont des RSU non encore réglées. La propriété reste directe ; aucune participation indirecte n’a été déclarée. La déclaration ne révèle pas d’autres opérations sur dérivés ou de nouvelles attributions d’options.

Étant donné que cette opération représente une retenue fiscale courante plutôt qu’un achat ou une vente discrétionnaire, la déclaration a un impact minimal sur le marché et ne modifie pas de manière significative l’exposition de l’initié aux actions ENVX.

Enovix Corporation (ENVX) � Insider-Meldung Form 4 vom 09.07.2025

Die Chief Legal Officer Arthi Chakravarthy meldete eine automatische Aktienveräußerung im Zusammenhang mit der Ausübung von Restricted Stock Units (RSUs) am 08.07.2025. Das Unternehmen behielt 4.287 Stammaktien zum Referenzpreis von 13,44 $ pro Aktie (Transaktionscode F> ein, ausschließlich zur Abdeckung von bundes- und landessteuerlichen Verpflichtungen. Kein Kauf oder Verkauf am offenen Markt fand statt.

Nach der Einbehaltung beläuft sich Chakravarthys gesamtes wirtschaftliches Eigentum auf 431.334 Aktien, davon sind 343.953 Aktien noch unabgewickelte RSUs. Das Eigentum bleibt direkt; keine indirekten Beteiligungen wurden gemeldet. Die Meldung zeigt keine weiteren Derivatgeschäfte oder neue Optionszuteilungen.

Da die Transaktion eine routinemäßige Steuerabführung und keinen diskretionären Kauf oder Verkauf darstellt, hat die Meldung geringen Markteinfluss und ändert die Insider-Beteiligung an ENVX nicht wesentlich.

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*
Hacker Severin

(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)
X Director X 10% Owner
X Officer (give title below) Other (specify below)
Chief Tech Officer, Co-Founder
3. Date of Earliest Transaction (Month/Day/Year)
07/07/2025
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 07/07/2025 C 10,000 A $38.08 10,072 D
Class A Common Stock 07/07/2025 S(1) 200 D $386.905(2) 9,872 D
Class A Common Stock 07/07/2025 S(1) 500 D $388.5641(3) 9,372 D
Class A Common Stock 07/07/2025 S(1) 1,741 D $390.8261(4) 7,631 D
Class A Common Stock 07/07/2025 S(1) 1,557 D $391.7132(5) 6,074 D
Class A Common Stock 07/07/2025 S(1) 2,000 D $392.7584(6) 4,074 D
Class A Common Stock 07/07/2025 S(1) 1,400 D $393.7848(7) 2,674 D
Class A Common Stock 07/07/2025 S(1) 800 D $394.9312(8) 1,874 D
Class A Common Stock 07/07/2025 S(1) 1,202 D $396.0873(9) 672 D
Class A Common Stock 07/07/2025 S(1) 600 D $396.7317(10) 72 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) $38.08 07/07/2025 M 10,000 (11) 12/02/2030 Class B Common Stock 10,000 $0 95,252 D
Class B Common Stock (12) 07/07/2025 C 10,000 (12) (12) Class A Common Stock 10,000 $0 96,075 D
Class B Common Stock (12) 07/07/2025 C 10,000 (12) (12) Class A Common Stock 10,000 $0 86,075 D
Class B Common Stock (12) (12) (12) Class A Common Stock 2,896,917 2,896,917 I See footnote(13)
Explanation of Responses:
1. The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 11, 2024.
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 $386.88 to $386.93, 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 $388.00 to $388.85, 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 $390.20 to $391.18, 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 $391.21 to $392.11, 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 $392.25 to $393.15, 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 $393.28 to $394.19, 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 $394.43 to $395.35, 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 $395.58 to $396.52, 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 $396.60 to $397.00, 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 shares subject to the option are fully vested and exercisable.
12. Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation, (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding, and (iii) the death of the Reporting Person.
13. Shares held by SBH Trust dated March 10, 2020, of which Reporting Person is Trustee.
Remarks:
/s/ Stephen Chen, as Attorney-in-Fact for Severin Hacker 07/09/2025
** 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.

FAQ

What insider activity did ENVX report on Form 4 dated 07/09/2025?

The Chief Legal Officer had 4,287 shares withheld to cover taxes from RSU vesting—no open-market trade.

How many Enovix shares does Arthi Chakravarthy now own?

Post-transaction, she beneficially owns 431,334 ENVX shares, including 343,953 RSUs still to settle.

What does transaction code “F� mean in ENVX’s Form 4?

Code F indicates shares were withheld for tax purposes upon the vesting of equity awards.

Was this Form 4 a discretionary buy or sell of ENVX stock?

No. It was a non-discretionary tax-withholding transaction; the insider neither bought nor sold on the open market.

Does the filing signal anything about Enovix’s outlook?

Because the move is administrative, it offers no material insight into the company’s fundamentals or insider sentiment.
Duolingo, Inc.

NASDAQ:DUOL

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18.05B
37.67M
0.89%
94.33%
2.72%
Software - Application
Services-prepackaged Software
United States
PITTSBURGH