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person · Reporting owner

Glance Natalie

Disclosed activity across 1 company

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21535
SEC CIK
0001870350

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Duolingo, Inc.DUOL · Entity 3679Chief Engineering OfficerAugust 17, 2026August 19, 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 August 17, 2026 · Filed August 19, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect169,111 Ending reported balance After 2026-08-18 transaction · row 3
3 source rows · reconciled sequence

Row 1 · 2026-08-17 · Sale · Disposed 2,751 · Balance 170,650

F1: Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of restricted stock units and delivery of shares.

Row 2 · 2026-08-18 · Sale · Disposed 502 · Balance 170,148

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 15, 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 $136.68 to $137.61, 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 · 2026-08-18 · Sale · Disposed 1,037 · Balance 169,111

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 15, 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 $137.72 to $138.59, 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.

Class A Common StockSEC Table I · non-derivativeIndirectBy son130 Reported balance Holding disclosure · report date 2026-08-17 · row 4 Holding and transaction disclosures are not merged.
1 source row

Row 4 · Balance 130

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 and delivery of shares.

F2: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on September 15, 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 $136.68 to $137.61, 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 $137.72 to $138.59, 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
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,000 $140.79 $140,791.80
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 9

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,116

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F8 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.63 to $141.09, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 6,378 $140.03 $893,118.99
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 8

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,116

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F7 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $139.63 to $140.62, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 6,355 $139.16 $884,363.07
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 7

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,494

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F6 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $138.62 to $139.61, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 951 $138.25 $131,474.61
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 6

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,849

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $137.59 to $138.54, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,921 $136.50 $262,215.35
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 5

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,800

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $136.19 to $137.02, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,765 $135.75 $375,360.09
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 4

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,721

F2 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $135.19 to $136.18, 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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 130 $7.11 $924.30
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 3

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,486

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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 18,333 $5.00 $91,665.00
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 2

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 93,356

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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 16, 2021 Filed Nov 18, 2021 20:58 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 995 $2.23 $2,218.85
Disclosure

SEC source: 0001562088-21-000040 · wf-form4_163726910742621.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,023

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.

F1 · balance_after: Includes 21,875 restricted stock units.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionStock Option (Right to Buy) · Derivative 56,142 $0.00 Strike: $2.23 $0.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · derivative · entry 27

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,191

Underlying: Class A Common Stock · 56,142 shares

Expires 2025-02-27

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.

F27 · derivative.exercise_date: 25% of the shares subject to the option vest on the first anniversary measured from February 27, 2015 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionRestricted Stock Units · Derivative 108 $0.00 $0.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · derivative · entry 26

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 108 shares

Expires not disclosed

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.

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock. 100% of the RSUs were immediately vested as of August 15, 2021 and settled on November 15, 2021.

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock. 100% of the RSUs were immediately vested as of August 15, 2021 and settled on November 15, 2021.

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock. 100% of the RSUs were immediately vested as of August 15, 2021 and settled on November 15, 2021.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 200 $151.05 $30,210.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 25

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,028

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 300 $150.27 $45,081.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 24

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,228

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F26 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $150.04 to $150.72, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 1,200 $148.56 $178,268.04
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 23

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,528

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F25 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $148.29 to $149.15, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,648 $147.84 $391,489.32
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 22

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,728

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F24 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $147.14 to $148.13, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 13,809 $146.38 $2,021,361.42
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 21

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,376

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F23 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $146.10 to $147.05, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 8,475 $145.80 $1,235,649.07
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 20

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,185

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F22 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $145.10 to $146.09, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,200 $144.72 $318,375.86
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 19

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,660

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F21 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $144.07 to $145.05, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 2,671 $143.52 $383,330.17
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 18

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,860

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F20 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $142.97 to $143.85, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 800 $142.67 $114,133.44
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 17

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,531

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F19 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $141.96 to $142.94, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 4,523 $141.35 $639,335.55
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 16

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,331

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F18 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.96 to $141.95, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 7,525 $140.30 $1,055,780.83
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 15

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,854

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F17 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $139.91 to $140.82, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 6,689 $139.27 $931,607.80
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 14

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,379

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F16 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $138.86 to $139.82, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 5,102 $138.30 $705,629.56
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 13

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,068

F14 · kind: The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan.

F15 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $137.86 to $138.85, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 56,142 $2.23 $125,196.66
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 12

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,170

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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 81 $146.85 $11,894.87
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 11

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,028

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F13 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $146.72 to $147.21, 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.

F3 · balance_after: Includes 21,875 RSUs.

Read SEC document
November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 428 $146.21 $62,578.18
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 10

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,109

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F12 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $145.72 to $146.70, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 82 $145.34 $11,917.76
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 9

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,537

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F11 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $144.69 to $145.60, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 29 $143.11 $4,150.19
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 8

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,619

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F10 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $142.90 to $143.42, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 18 $141.90 $2,554.12
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 7

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,648

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F9 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $141.83 to $141.96, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 63 $141.36 $8,905.62
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 6

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,666

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F8 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.77 to $141.76, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 120 $140.11 $16,812.76
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 5

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,729

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F7 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $139.66 to $140.52, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 116 $139.01 $16,125.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 4

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,849

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F6 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $138.585 to $139.57, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 SaleClass A Common Stock 143 $138.04 $19,740.28
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 3

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,965

F4 · kind: Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares.

F5 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $137.48 to $138.46, 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.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 GrantClass A Common Stock 25,000 $0.00 $0.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 2

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,108

F2 · shares: Constitute 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, 2021. On November 15, 2021, 3,125 RSUs vested.

F3 · balance_after: Includes 21,875 RSUs.

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November 15, 2021 Filed Nov 17, 2021 21:50 UTC Duolingo, Inc. DUOL · Entity 3679 Exercise / conversionClass A Common Stock 108 $0.00 $0.00
Disclosure

SEC source: 0001562088-21-000034 · wf-form4_163718577801567.xml · nonDerivative · entry 1

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,108

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.

F1 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock. 100% of the RSUs were immediately vested as of August 15, 2021 and settled on November 15, 2021.

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August 15, 2021 Filed Sep 22, 2021 21:16 UTC Duolingo, Inc. DUOL · Entity 3679 GrantRestricted Stock Units · Derivative 108 $0.00 $0.00
Disclosure

SEC source: 0001562088-21-000008 · wf-form4_163234538768016.xml · derivative · entry 1

Glance Natalie · CIK 0001870350 · SVP, Engineering

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108

Underlying: Class A Common Stock · 108 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock.

F2 · derivative.exercise_date: 100% of the RSUs shall be immediately vested as of August 15, 2021 and settle on November 15, 2021.

F2 · derivative.expiration_date: 100% of the RSUs shall be immediately vested as of August 15, 2021 and settle on November 15, 2021.

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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.