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Skaruppa Matthew

Disclosed activity across 1 company

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65434
SEC CIK
0001869669

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Duolingo, Inc.DUOL · Entity 3679Chief Financial OfficerFebruary 17, 2026February 20, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Duolingo, Inc.

Report date February 17, 2026 · Filed February 20, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect31,631 Ending reported balance After 2026-02-18 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-02-17 · Sale · Disposed 1,870 · Balance 35,617

F1: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

Row 2 · 2026-02-18 · Sale · Disposed 1,626 · Balance 33,991

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F3: 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 $111.83 to $112.80, 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.

Row 3 · 2026-02-18 · Sale · Disposed 236 · Balance 33,755

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F4: 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 $112.83 to $113.77, 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.

Row 4 · 2026-02-18 · Sale · Disposed 1,764 · Balance 31,991

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F5: 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 $113.83 to $114.75, 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.

Row 5 · 2026-02-18 · Sale · Disposed 360 · Balance 31,631

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F6: 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 $114.90 to $115.55, 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.

Filing footnotes · ownership attribution and instrument terms

F1: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F3: 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 $111.83 to $112.80, 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.

F4: 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 $112.83 to $113.77, 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.

F5: 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 $113.83 to $114.75, 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.

F6: 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 $114.90 to $115.55, 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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
February 18, 2026 Filed Feb 20, 2026 06:01 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 360 $115.29 $41,503.18
Disclosure

SEC source: 0001628280-26-009986 · wk-form4_1771585305.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,631

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F6 · price: 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 $114.90 to $115.55, 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.

Read SEC document
February 18, 2026 Filed Feb 20, 2026 06:01 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,764 $114.35 $201,704.93
Disclosure

SEC source: 0001628280-26-009986 · wk-form4_1771585305.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,991

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F5 · price: 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 $113.83 to $114.75, 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.

Read SEC document
February 18, 2026 Filed Feb 20, 2026 06:01 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 236 $113.37 $26,755.18
Disclosure

SEC source: 0001628280-26-009986 · wk-form4_1771585305.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,755

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F4 · price: 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 $112.83 to $113.77, 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.

Read SEC document
February 18, 2026 Filed Feb 20, 2026 06:01 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,626 $112.26 $182,528.58
Disclosure

SEC source: 0001628280-26-009986 · wk-form4_1771585305.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,991

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F3 · price: 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 $111.83 to $112.80, 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.

Read SEC document
February 17, 2026 Filed Feb 20, 2026 06:01 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,870 $110.06 $205,812.20
Disclosure

SEC source: 0001628280-26-009986 · wk-form4_1771585305.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,617

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 200 $177.65 $35,529.60
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,487

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F7 · price: 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 $177.48 to $177.76, 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.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 796 $176.91 $140,819.33
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,687

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F6 · price: 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 $176.43 to $177.36, 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.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 880 $175.73 $154,643.28
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,483

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F5 · price: 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 $175.40 to $176.35, 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.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 793 $175.00 $138,776.19
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,363

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F4 · price: 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 $174.39 to $175.38, 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.

Read SEC document
November 18, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 390 $174.04 $67,874.31
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,156

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F3 · price: 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 $173.39 to $174.37, 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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 16:20 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,799 $177.95 $498,082.05
Disclosure

SEC source: 0001628280-25-053183 · wk-form4_1763587234.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,546

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionStock Option (Right to Buy) · Derivative 1,378 $0.00 Strike: $14.42 $0.00
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · derivative · entry 12

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,378 shares

Expires 2030-03-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F12 · derivative.exercise_date: The shares subject to the option are fully vested and exercisable.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,578 $321.33 $507,065.05
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 11

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 43,345

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F11 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,100 $320.50 $352,554.95
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 10

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,923

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F10 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 700 $319.33 $223,529.95
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 9

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,023

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F9 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,501 $318.36 $477,855.36
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 8

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,723

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F8 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 800 $317.44 $253,954.24
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 7

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 48,224

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F7 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,301 $316.24 $727,674.45
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,024

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F6 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,402 $315.27 $442,004.19
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 51,325

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F5 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 755 $314.16 $237,193.37
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,727

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F4 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 300 $312.67 $93,801.00
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,482

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F3 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 500 $311.38 $155,689.00
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,782

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

F2 · price: 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.

Read SEC document
August 26, 2025 Filed Aug 28, 2025 16:37 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 1,378 $14.42 $19,870.76
Disclosure

SEC source: 0001562088-25-000198 · wk-form4_1756413422.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 15, 2025 Filed Aug 18, 2025 17:21 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,797 $329.03 $920,296.91
Disclosure

SEC source: 0001562088-25-000183 · wk-form4_1755552109.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,904

F1 · shares: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

Read SEC document
August 14, 2025 Filed Aug 14, 2025 16:15 UTC Duolingo, Inc. DUOL · Entity 3679 GiftClass A Common Stock 2,522 $0.00 $0.00
Disclosure

SEC source: 0001562088-25-000174 · wk-form4_1755202540.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,701

Read SEC document
May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 400 $531.43 $212,570.00
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,223

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F7 · price: 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 $531.40 to $531.46, 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.

Read SEC document
May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 200 $530.50 $106,099.00
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,623

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F6 · price: 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 $530.23 to $530.76, 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.

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May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 849 $529.45 $449,501.35
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,823

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F5 · price: 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 $529.07 to $529.77, 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.

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May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 524 $528.63 $277,001.33
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,672

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F4 · price: 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 $527.96 to $528.86, 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.

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May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 700 $527.27 $369,086.97
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,196

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F3 · price: 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 $526.93 to $527.51, 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.

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May 16, 2025 Filed May 19, 2025 16:22 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 900 $526.16 $473,543.64
Disclosure

SEC source: 0001562088-25-000116 · wk-form4_1747686160.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,896

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F2 · price: 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 $525.84 to $526.75, 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.

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May 15, 2025 Filed May 16, 2025 16:14 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 3,304 $531.71 $1,756,769.84
Disclosure

SEC source: 0001562088-25-000107 · wk-form4_1747426444.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,796

F2 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

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May 15, 2025 Filed May 16, 2025 16:14 UTC Duolingo, Inc. DUOL · Entity 3679 GrantClass A Common Stock 8,709 $0.00 $0.00
Disclosure

SEC source: 0001562088-25-000107 · wk-form4_1747426444.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,100

F1 · shares: Constitute Restricted Stock Units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs shall vest on each quarterly anniversary of May 15, 2025.

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February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 260 $435.42 $113,210.19
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,391

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F7 · price: 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 $435.30 to $435.72, 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.

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February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,000 $434.22 $434,222.20
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,651

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F6 · price: 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 $433.95 to $434.66, 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.

Read SEC document
February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,100 $433.15 $476,459.61
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 57,651

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F5 · price: 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 $432.94 to $433.87, 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.

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February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 459 $432.38 $198,461.27
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,751

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F4 · price: 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 $431.90 to $432.75, 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.

Read SEC document
February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 372 $431.40 $160,482.36
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,210

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F3 · price: 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 $430.90 to $431.89, 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.

Read SEC document
February 19, 2025 Filed Feb 21, 2025 16:30 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 400 $430.30 $172,118.00
Disclosure

SEC source: 0001562088-25-000031 · wk-form4_1740173398.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 59,582

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F2 · price: 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 $429.79 to $430.72, 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.

Read SEC document
February 18, 2025 Filed Feb 20, 2025 17:05 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 3,284 $435.28 $1,429,459.52
Disclosure

SEC source: 0001562088-25-000029 · wk-form4_1740089135.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,982

F1 · kind: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

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January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 100 $316.59 $31,659.00
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 8

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,266

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

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January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 919 $316.13 $290,524.94
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 7

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,366

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F7 · price: 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 $315.53 to $316.50, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,200 $314.39 $377,266.44
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 6

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 64,285

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F6 · price: 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 $314.16 to $314.91, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,000 $313.26 $313,262.50
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 5

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,485

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F5 · price: 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 $312.73 to $313.60, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 645 $311.78 $201,094.88
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 4

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,485

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F4 · price: 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 $311.59 to $312.13, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 300 $310.85 $93,255.00
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 3

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,130

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F3 · price: 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 $310.49 to $311.34, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 200 $309.44 $61,887.00
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 2

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,430

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F2 · price: 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 $309.22 to $309.65, 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.

Read SEC document
January 13, 2025 Filed Jan 14, 2025 16:27 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 100 $307.48 $30,748.00
Disclosure

SEC source: 0001562088-25-000009 · wk-form4_1736890068.xml · nonDerivative · entry 1

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,630

F1 · shares: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

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January 02, 2025 Filed Jan 3, 2025 17:35 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionStock Option (Right to Buy) · Derivative 5,000 $0.00 Strike: $14.42 $0.00
Disclosure

SEC source: 0001562088-25-000004 · wk-form4_1735943747.xml · derivative · entry 8

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,378

Underlying: Class A Common Stock · 5,000 shares

Expires 2030-03-10

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_date: The shares subject to the option are fully vested and exercisable.

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January 02, 2025 Filed Jan 3, 2025 17:35 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 400 $328.53 $131,412.00
Disclosure

SEC source: 0001562088-25-000004 · wk-form4_1735943747.xml · nonDerivative · entry 7

Skaruppa Matthew · CIK 0001869669 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,730

F1 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 22, 2024.

F7 · price: 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 $328.33 to $328.87, 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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.