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2026."}],"balance_after":43769,"source":{"system":"sec-edgar","filing":"0001628280-26-062115","document":"wk-form4_1789512674.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026062115/wk-form4_1789512674.xml","form_type":"4"}},{"id":4618642,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-09-15T22:51:16.000Z","date":"2026-09-14","kind":"sale","planned":true,"acquired":false,"shares":2107,"price":147.43,"value":310635.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on June 14, 2026."}],"balance_after":49734,"source":{"system":"sec-edgar","filing":"0001628280-26-062115","document":"wk-form4_1789512674.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026062115/wk-form4_1789512674.xml","form_type":"4"}},{"id":681585,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common 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These shares were sold in multiple transactions at prices ranging from $113.82 to $114.66, 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."}],"balance_after":52807,"source":{"system":"sec-edgar","filing":"0001628280-26-036519","document":"wk-form4_1779223377.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026036519/wk-form4_1779223377.xml","form_type":"4"}},{"id":772362,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-05-19T20:42:59.000Z","date":"2026-05-18","kind":"sale","planned":true,"acquired":false,"shares":1277,"price":113.2714,"value":144647.5778,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $112.82 to $113.68, 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."}],"balance_after":53507,"source":{"system":"sec-edgar","filing":"0001628280-26-036519","document":"wk-form4_1779223377.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026036519/wk-form4_1779223377.xml","form_type":"4"}},{"id":772361,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common 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2026."}],"balance_after":55604,"source":{"system":"sec-edgar","filing":"0001628280-26-036519","document":"wk-form4_1779223377.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026036519/wk-form4_1779223377.xml","form_type":"4"}},{"id":780929,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-05-13T20:24:46.000Z","date":"2026-05-12","kind":"exercise","planned":false,"acquired":false,"shares":648,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option are fully vested and exercisable."}],"balance_after":58,"derivative":{"exercise_price":14.42,"expiration_date":"2030-03-10","underlying":"Class A Common Stock","underlying_shares":648},"source":{"system":"sec-edgar","filing":"0001628280-26-034631","document":"wk-form4_1778703882.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026034631/wk-form4_1778703882.xml","form_type":"4"}},{"id":780928,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common 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These shares were sold in multiple transactions at prices ranging from $115.47 to $115.52, 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."}],"balance_after":30545,"source":{"system":"sec-edgar","filing":"0001628280-26-009985","document":"wk-form4_1771585298.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026009985/wk-form4_1771585298.xml","form_type":"4"}},{"id":890877,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-20T11:01:42.000Z","date":"2026-02-18","kind":"sale","planned":true,"acquired":false,"shares":520,"price":114.5519,"value":59566.988,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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 $114.31 to $115.23, 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."}],"balance_after":30625,"source":{"system":"sec-edgar","filing":"0001628280-26-009985","document":"wk-form4_1771585298.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026009985/wk-form4_1771585298.xml","form_type":"4"}},{"id":890876,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-20T11:01:42.000Z","date":"2026-02-18","kind":"sale","planned":true,"acquired":false,"shares":480,"price":113.9504,"value":54696.192,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $113.31 to $114.23, 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."}],"balance_after":31145,"source":{"system":"sec-edgar","filing":"0001628280-26-009985","document":"wk-form4_1771585298.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026009985/wk-form4_1771585298.xml","form_type":"4"}},{"id":890875,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-20T11:01:42.000Z","date":"2026-02-18","kind":"sale","planned":true,"acquired":false,"shares":821,"price":111.83,"value":91812.43,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $112.79, 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."}],"balance_after":31625,"source":{"system":"sec-edgar","filing":"0001628280-26-009985","document":"wk-form4_1771585298.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026009985/wk-form4_1771585298.xml","form_type":"4"}},{"id":890874,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2026-02-20T11:01:42.000Z","date":"2026-02-17","kind":"sale","planned":true,"acquired":false,"shares":896,"price":110.06,"value":98613.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\") and delivery of shares."}],"balance_after":32446,"source":{"system":"sec-edgar","filing":"0001628280-26-009985","document":"wk-form4_1771585298.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828026009985/wk-form4_1771585298.xml","form_type":"4"}},{"id":957258,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-12-30T22:12:12.000Z","date":"2025-12-29","kind":"exercise","planned":false,"acquired":false,"shares":1800,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option are fully vested and exercisable."}],"balance_after":706,"derivative":{"exercise_price":14.42,"expiration_date":"2030-03-10","underlying":"Class A Common Stock","underlying_shares":1800},"source":{"system":"sec-edgar","filing":"0001628280-25-059129","document":"wk-form4_1767132728.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025059129/wk-form4_1767132728.xml","form_type":"4"}},{"id":957257,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-12-30T22:12:12.000Z","date":"2025-12-29","kind":"exercise","planned":false,"acquired":true,"shares":1800,"price":14.42,"value":25956.0,"ownership":{"direct":true},"balance_after":33342,"source":{"system":"sec-edgar","filing":"0001628280-25-059129","document":"wk-form4_1767132728.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025059129/wk-form4_1767132728.xml","form_type":"4"}},{"id":994075,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-11-19T21:20:47.000Z","date":"2025-11-18","kind":"sale","planned":true,"acquired":false,"shares":480,"price":177.1858,"value":85049.184,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"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 $176.74 to $177.51, 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."}],"balance_after":31542,"source":{"system":"sec-edgar","filing":"0001628280-25-053186","document":"wk-form4_1763587244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025053186/wk-form4_1763587244.xml","form_type":"4"}},{"id":994074,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-11-19T21:20:47.000Z","date":"2025-11-18","kind":"sale","planned":true,"acquired":false,"shares":320,"price":175.9363,"value":56299.616,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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 $175.62 to $176.57, 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."}],"balance_after":32022,"source":{"system":"sec-edgar","filing":"0001628280-25-053186","document":"wk-form4_1763587244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025053186/wk-form4_1763587244.xml","form_type":"4"}},{"id":994073,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-11-19T21:20:47.000Z","date":"2025-11-18","kind":"sale","planned":true,"acquired":false,"shares":594,"price":175.1512,"value":104039.8128,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $174.51 to $175.50, 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."}],"balance_after":32342,"source":{"system":"sec-edgar","filing":"0001628280-25-053186","document":"wk-form4_1763587244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025053186/wk-form4_1763587244.xml","form_type":"4"}},{"id":994072,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-11-19T21:20:47.000Z","date":"2025-11-18","kind":"sale","planned":true,"acquired":false,"shares":120,"price":173.97,"value":20876.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $173.40 to $174.38, 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."}],"balance_after":32936,"source":{"system":"sec-edgar","filing":"0001628280-25-053186","document":"wk-form4_1763587244.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000162828025053186/wk-form4_1763587244.xml","form_type":"4"}},{"id":994071,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common 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These shares were sold in multiple transactions at prices ranging from $531.40 to $531.47, 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."}],"balance_after":36185,"source":{"system":"sec-edgar","filing":"0001562088-25-000114","document":"wk-form4_1747686134.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208825000114/wk-form4_1747686134.xml","form_type":"4"}},{"id":1143026,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-05-19T20:22:22.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":100,"price":530.22,"value":53022.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."}],"balance_after":36385,"source":{"system":"sec-edgar","filing":"0001562088-25-000114","document":"wk-form4_1747686134.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208825000114/wk-form4_1747686134.xml","form_type":"4"}},{"id":1143025,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-05-19T20:22:22.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":467,"price":529.2535,"value":247161.3845,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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 $528.89 to $529.65, 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."}],"balance_after":36485,"source":{"system":"sec-edgar","filing":"0001562088-25-000114","document":"wk-form4_1747686134.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208825000114/wk-form4_1747686134.xml","form_type":"4"}},{"id":1143024,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-05-19T20:22:22.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":300,"price":527.6067,"value":158282.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $527.36 to $527.74, 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."}],"balance_after":36952,"source":{"system":"sec-edgar","filing":"0001562088-25-000114","document":"wk-form4_1747686134.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208825000114/wk-form4_1747686134.xml","form_type":"4"}},{"id":1143023,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2025-05-19T20:22:22.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":300,"price":526.4433,"value":157932.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $526.00 to $526.96, inclusive. 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These shares were sold in multiple transactions at prices ranging from $312.09 to $312.29, 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."}],"balance_after":31667,"source":{"system":"sec-edgar","filing":"0001562088-24-000264","document":"wk-form4_1732139169.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000264/wk-form4_1732139169.xml","form_type":"4"}},{"id":1357407,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-11-20T21:46:15.000Z","date":"2024-11-18","kind":"sale","planned":true,"acquired":false,"shares":400,"price":309.8675,"value":123947.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $309.63 to $310.08, 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."}],"balance_after":31867,"source":{"system":"sec-edgar","filing":"0001562088-24-000264","document":"wk-form4_1732139169.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000264/wk-form4_1732139169.xml","form_type":"4"}},{"id":1357406,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-11-20T21:46:15.000Z","date":"2024-11-18","kind":"sale","planned":true,"acquired":false,"shares":1767,"price":307.9496,"value":544146.9432,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $307.82 to $308.50, 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."}],"balance_after":32267,"source":{"system":"sec-edgar","filing":"0001562088-24-000264","document":"wk-form4_1732139169.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000264/wk-form4_1732139169.xml","form_type":"4"}},{"id":1357405,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-11-20T21:46:15.000Z","date":"2024-11-18","kind":"sale","planned":true,"acquired":false,"shares":275,"price":307.0355,"value":84434.7625,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 $306.73 to $307.22, 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."}],"balance_after":34034,"source":{"system":"sec-edgar","filing":"0001562088-24-000264","document":"wk-form4_1732139169.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000264/wk-form4_1732139169.xml","form_type":"4"}},{"id":1361963,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-11-18T21:14:32.000Z","date":"2024-11-15","kind":"sale","planned":false,"acquired":false,"shares":1249,"price":309.3,"value":386315.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units (\"RSUs\") and delivery of shares."}],"balance_after":34309,"source":{"system":"sec-edgar","filing":"0001562088-24-000260","document":"wk-form4_1731964466.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000260/wk-form4_1731964466.xml","form_type":"4"}},{"id":1417883,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"exercise","planned":true,"acquired":false,"shares":7382,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The shares subject to the option are fully vested and exercisable."}],"balance_after":9237,"derivative":{"exercise_price":14.42,"expiration_date":"2030-03-10","underlying":"Class A Common Stock","underlying_shares":7382},"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417882,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":3459,"price":213.4167,"value":738208.3653,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"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 $213.13 to $214.00, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":35558,"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417881,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":5677,"price":212.6943,"value":1207465.5411,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"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 $212.12 to $213.04, 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."}],"balance_after":39017,"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417880,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":2977,"price":211.6242,"value":630005.2434,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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 $211.11 to $212.10, 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."}],"balance_after":44694,"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417879,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":2815,"price":210.6226,"value":592902.619,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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 $210.11 to $211.10, 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."}],"balance_after":47671,"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417878,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":3173,"price":209.5397,"value":664869.4681,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $208.97 to $209.89, 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."}],"balance_after":50486,"source":{"system":"sec-edgar","filing":"0001562088-24-000226","document":"wk-form4_1725411136.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208824000226/wk-form4_1725411136.xml","form_type":"4"}},{"id":1417877,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2024-09-04T00:52:23.000Z","date":"2024-08-30","kind":"sale","planned":true,"acquired":false,"shares":1363,"price":208.5275,"value":284222.9825,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 31, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. 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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."}],"balance_after":29481,"source":{"system":"sec-edgar","filing":"0001562088-22-000121","document":"wf-form4_165637149121337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000121/wf-form4_165637149121337.xml","form_type":"4"}},{"id":2221354,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2022-06-27T23:11:52.000Z","date":"2022-06-24","kind":"sale","acquired":false,"shares":10712,"price":103.4226,"value":1107862.8912,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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 $103.04 to $104.02, 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."}],"balance_after":35682,"source":{"system":"sec-edgar","filing":"0001562088-22-000121","document":"wf-form4_165637149121337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000121/wf-form4_165637149121337.xml","form_type":"4"}},{"id":2221353,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2022-06-27T23:11:52.000Z","date":"2022-06-24","kind":"sale","acquired":false,"shares":7348,"price":102.5653,"value":753649.8244,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 $102.01 to $103.00, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":46394,"source":{"system":"sec-edgar","filing":"0001562088-22-000121","document":"wf-form4_165637149121337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000121/wf-form4_165637149121337.xml","form_type":"4"}},{"id":2221352,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2022-06-27T23:11:52.000Z","date":"2022-06-24","kind":"exercise","acquired":true,"shares":25358,"price":14.42,"value":365662.36,"ownership":{"direct":true},"balance_after":53742,"source":{"system":"sec-edgar","filing":"0001562088-22-000121","document":"wf-form4_165637149121337.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000121/wf-form4_165637149121337.xml","form_type":"4"}},{"id":2224337,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-06-22T21:42:47.000Z","date":"2022-06-21","kind":"exercise","acquired":false,"shares":10535,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"25% of the shares subject to the option vest on the first anniversary measured from March 2, 2020 (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."}],"balance_after":102859,"derivative":{"exercise_price":14.42,"expiration_date":"2030-03-10","underlying":"Class A Common Stock","underlying_shares":10535},"source":{"system":"sec-edgar","filing":"0001562088-22-000118","document":"wf-form4_165593415117638.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000118/wf-form4_165593415117638.xml","form_type":"4"}},{"id":2224336,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21686,"kind":"person","name":"Chen Stephen C.","position":1,"cik":"0001869758","reported_name":"Chen Stephen C.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel"}}],"security":"Class A Common Stock","published_at":"2022-06-22T21:42:47.000Z","date":"2022-06-21","kind":"sale","acquired":false,"shares":10535,"price":102.1432,"value":1076078.612,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"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 $102.00 to $102.78, 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"}],"balance_after":28384,"source":{"system":"sec-edgar","filing":"0001562088-22-000118","document":"wf-form4_165593415117638.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869758/000156208822000118/wf-form4_165593415117638.xml","form_type":"4"}}],"next_cursor":"2022-06-22T21:42:47.000000Z,2224336"}