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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":132605,"source":{"system":"sec-edgar","filing":"0001562088-25-000084","document":"wk-form4_1745525199.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208825000084/wk-form4_1745525199.xml","form_type":"4"}},{"id":1166454,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2025-04-24T20:06:45.000Z","date":"2025-04-23","kind":"sale","planned":true,"acquired":false,"shares":902,"price":362.7994,"value":327245.0588,"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 December 9, 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 $362.32 to $363.26, 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":132903,"source":{"system":"sec-edgar","filing":"0001562088-25-000084","document":"wk-form4_1745525199.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208825000084/wk-form4_1745525199.xml","form_type":"4"}},{"id":1191058,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2025-03-26T20:14:27.000Z","date":"2025-03-24","kind":"sale","planned":true,"acquired":false,"shares":5351,"price":320.0239,"value":1712447.8889,"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 December 9, 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 $320.00 to $320.05, 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."}],"balance_after":133805,"source":{"system":"sec-edgar","filing":"0001562088-25-000059","document":"wk-form4_1743020058.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208825000059/wk-form4_1743020058.xml","form_type":"4"}},{"id":1260400,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common 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reported in this Form 4 were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on March 13, 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 $240.00 to $240.22, 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":157053,"source":{"system":"sec-edgar","filing":"0001562088-24-000232","document":"wk-form4_1726777295.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208824000232/wk-form4_1726777295.xml","form_type":"4"}},{"id":1431509,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common 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2024."}],"balance_after":163496,"source":{"system":"sec-edgar","filing":"0001562088-24-000131","document":"wk-form4_1715894227.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208824000131/wk-form4_1715894227.xml","form_type":"4"}},{"id":1514465,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2024-05-16T21:17:26.000Z","date":"2024-05-15","kind":"sale","planned":false,"acquired":false,"shares":1226,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares 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These shares were sold in multiple transactions at prices ranging from $218.88 to $219.06, 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":157559,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1712765,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-14T01:40:20.000Z","date":"2023-12-11","kind":"sale","planned":true,"acquired":false,"shares":3026,"price":217.9677,"value":659570.2602,"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 September 8, 2023."},{"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 $217.80 to $218.27, 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":158159,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1712764,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-14T01:40:20.000Z","date":"2023-12-11","kind":"sale","planned":true,"acquired":false,"shares":6400,"price":217.196,"value":1390054.4,"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 September 8, 2023."},{"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 $216.78 to $217.76, 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."}],"balance_after":161185,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1712763,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-14T01:40:20.000Z","date":"2023-12-11","kind":"sale","planned":true,"acquired":false,"shares":11737,"price":215.9857,"value":2535024.1609,"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 September 8, 2023."},{"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 $215.67 to $216.59, 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."}],"balance_after":167585,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1712762,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-14T01:40:20.000Z","date":"2023-12-11","kind":"sale","planned":true,"acquired":false,"shares":12437,"price":215.332,"value":2678084.084,"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 September 8, 2023."},{"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 $214.65 to $215.64, 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":179322,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1712761,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-12-14T01:40:20.000Z","date":"2023-12-11","kind":"sale","planned":true,"acquired":false,"shares":800,"price":211.8438,"value":169475.04,"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 September 8, 2023."},{"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 $211.80 to $211.85, 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."}],"balance_after":191759,"source":{"system":"sec-edgar","filing":"0001562088-23-000250","document":"wk-form4_1702518011.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000250/wk-form4_1702518011.xml","form_type":"4"}},{"id":1739319,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-11-17T01:44:59.000Z","date":"2023-11-15","kind":"sale","planned":false,"acquired":false,"shares":1545,"price":209.78,"value":324110.1,"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":192559,"source":{"system":"sec-edgar","filing":"0001562088-23-000235","document":"wk-form4_1700185490.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000235/wk-form4_1700185490.xml","form_type":"4"}},{"id":1770596,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-10-02T20:43:51.000Z","date":"2023-09-29","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":170.1261,"value":850630.5,"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 September 13, 2022."},{"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 $170.00 to $170.49, 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":194104,"source":{"system":"sec-edgar","filing":"0001562088-23-000203","document":"wk-form4_1696279421.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000203/wk-form4_1696279421.xml","form_type":"4"}},{"id":1803886,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-08-17T20:16:51.000Z","date":"2023-08-15","kind":"sale","planned":false,"acquired":false,"shares":1084,"price":132.44,"value":143564.96,"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":199104,"source":{"system":"sec-edgar","filing":"0001562088-23-000187","document":"wk-form4_1692303400.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000187/wk-form4_1692303400.xml","form_type":"4"}},{"id":1865361,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-06-06T20:20:54.000Z","date":"2023-06-05","kind":"sale","planned":true,"acquired":false,"shares":5000,"price":160.1993,"value":800996.5,"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 September 13, 2022."},{"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 $160.00 to $160.45, 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":200188,"source":{"system":"sec-edgar","filing":"0001562088-23-000132","document":"wk-form4_1686082843.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000132/wk-form4_1686082843.xml","form_type":"4"}},{"id":1882852,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-05-23T01:37:33.000Z","date":"2023-05-18","kind":"sale","planned":true,"acquired":false,"shares":4600,"price":150.0682,"value":690313.72,"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 September 13, 2022."},{"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 $150.00 to $150.46, 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."}],"balance_after":205188,"source":{"system":"sec-edgar","filing":"0001562088-23-000127","document":"wf-form4_168480583832647.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000127/wf-form4_168480583832647.xml","form_type":"4"}},{"id":1889447,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common 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These shares were sold in multiple transactions at prices ranging from $140.00 to $140.67, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":197601,"source":{"system":"sec-edgar","filing":"0001562088-23-000079","document":"wf-form4_168056998030007.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000079/wf-form4_168056998030007.xml","form_type":"4"}},{"id":1963556,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-09T01:12:01.000Z","date":"2023-03-07","kind":"sale","acquired":false,"shares":5000,"price":130.1071,"value":650535.5,"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."},{"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 $130.00 to $130.29, 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":202601,"source":{"system":"sec-edgar","filing":"0001562088-23-000074","document":"wf-form4_167832431024348.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000074/wf-form4_167832431024348.xml","form_type":"4"}},{"id":1974657,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-03T21:19:08.000Z","date":"2023-03-02","kind":"sale","acquired":false,"shares":5000,"price":120,"value":600000.0,"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."}],"balance_after":207601,"source":{"system":"sec-edgar","filing":"0001562088-23-000063","document":"wf-form4_167787830528523.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000063/wf-form4_167787830528523.xml","form_type":"4"}},{"id":1974656,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-03-03T21:19:08.000Z","date":"2023-03-01","kind":"sale","acquired":false,"shares":4629,"price":110,"value":509190.0,"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."}],"balance_after":212601,"source":{"system":"sec-edgar","filing":"0001562088-23-000063","document":"wf-form4_167787830528523.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000063/wf-form4_167787830528523.xml","form_type":"4"}},{"id":2008059,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-02-17T21:20:08.000Z","date":"2023-02-15","kind":"sale","acquired":false,"shares":801,"price":96.94,"value":77648.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."}],"balance_after":217230,"source":{"system":"sec-edgar","filing":"0001562088-23-000029","document":"wf-form4_167666878796142.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000029/wf-form4_167666878796142.xml","form_type":"4"}},{"id":2033399,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2023-02-03T21:24:48.000Z","date":"2023-02-02","kind":"sale","acquired":false,"shares":5176,"price":100.1809,"value":518536.3384,"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."},{"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":218031,"source":{"system":"sec-edgar","filing":"0001562088-23-000015","document":"wf-form4_167545946421767.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208823000015/wf-form4_167545946421767.xml","form_type":"4"}},{"id":2112540,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-11-17T22:33:25.000Z","date":"2022-11-15","kind":"sale","acquired":false,"shares":1159,"price":74.31,"value":86125.29,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."}],"balance_after":223207,"source":{"system":"sec-edgar","filing":"0001562088-22-000167","document":"wf-form4_166872438657127.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000167/wf-form4_166872438657127.xml","form_type":"4"}},{"id":2182191,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-08-17T20:32:23.000Z","date":"2022-08-15","kind":"sale","acquired":false,"shares":763,"price":106.37,"value":81160.31,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."}],"balance_after":224366,"source":{"system":"sec-edgar","filing":"0001562088-22-000143","document":"wf-form4_166076832341478.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000143/wf-form4_166076832341478.xml","form_type":"4"}},{"id":2266017,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-05-18T21:10:41.000Z","date":"2022-05-16","kind":"sale","acquired":false,"shares":188,"price":90.97,"value":17102.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price calculated by the broker executing the sell-to-cover transactions. These shares were sold as part of a block trade in multiple transactions, and the Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate sales price."}],"balance_after":225129,"source":{"system":"sec-edgar","filing":"0001562088-22-000075","document":"wf-form4_165290796912506.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000075/wf-form4_165290796912506.xml","form_type":"4"}},{"id":2268451,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-05-17T22:14:00.000Z","date":"2022-05-13","kind":"grant","acquired":true,"shares":27236,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Constitute Restricted Stock Units (\"RSUs\") for which the Reporting Person is entitled to receive one (1) share of Issuer's Class A Common Stock for each RSU upon vesting. 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This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $100.92 to $101.00, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178081,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2375105,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-24T22:42:36.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":43,"price":99.7916,"value":4291.0388,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The original Form 4 filed by the Reporting Person on 2/17/2022 incorrectly reflected 237 shares sold at a single price point. This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $99.52 to $100.40, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178083,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2375104,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-24T22:42:36.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":49,"price":99.0346,"value":4852.6954,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The original Form 4 filed by the Reporting Person on 2/17/2022 incorrectly reflected 237 shares sold at a single price point. This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $98.51 to $99.50, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178126,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2375103,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-24T22:42:36.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":42,"price":97.7455,"value":4105.311,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The original Form 4 filed by the Reporting Person on 2/17/2022 incorrectly reflected 237 shares sold at a single price point. This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $97.50 to $98.46, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178175,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2375102,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-24T22:42:36.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":66,"price":97.1012,"value":6408.6792,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The original Form 4 filed by the Reporting Person on 2/17/2022 incorrectly reflected 237 shares sold at a single price point. This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $96.50 to $97.47, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178217,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2375101,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-24T22:42:36.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":35,"price":96.2389,"value":3368.3615,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $95.49 to $96.42, 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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The original Form 4 filed by the Reporting Person on 2/17/2022 incorrectly reflected 237 shares sold at a single price point. This Form 4/A corrects the aforementioned error by providing the weighted average sale price and price range. Except as noted in this footnote, all other information as disclosed in the Reporting Person's original Form 4 was accurately reported."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 8,633 RSUs."}],"balance_after":178283,"source":{"system":"sec-edgar","filing":"0001562088-22-000022","document":"wf-form4a_164574253560403.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000022/wf-form4a_164574253560403.xml","form_type":"4/A","original_submission_date":"2022-02-17"}},{"id":2388880,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-18T00:20:17.000Z","date":"2022-02-15","kind":"sale","acquired":false,"shares":237,"price":98.0125,"value":23228.9625,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of restricted stock units (\"RSUs\") and delivery of shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 8,633 RSUs."}],"balance_after":178081,"source":{"system":"sec-edgar","filing":"0001562088-22-000014","document":"wf-form4_164514359825507.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208822000014/wf-form4_164514359825507.xml","form_type":"4"}},{"id":2507938,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Units","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"exercise","acquired":false,"shares":108,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"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."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"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."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":108},"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":26,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507937,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":200,"price":151.025,"value":30205.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F26","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $151.00 to $151.05, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":178318,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":23,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507936,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1759,"price":150.1228,"value":264066.0052,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F25","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $150.00 to $150.70, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":178518,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":22,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507935,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1000,"price":149.011,"value":149011.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F24","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $148.98 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":180277,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":21,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507934,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":2783,"price":148.0517,"value":412027.8811,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F23","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $147.98 to $148.42, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":181277,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":20,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507933,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":3095,"price":146.9297,"value":454747.4215,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F22","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $146.53 to $147.52, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":184060,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":19,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507932,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":7590,"price":146.1437,"value":1109230.683,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F21","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $145.53 to $146.52, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":187155,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507931,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1384,"price":145.0363,"value":200730.2392,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F20","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $144.50 to $145.46, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":194745,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507930,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":2000,"price":143.5479,"value":287095.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F19","text":"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 $143.85, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":196129,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507929,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":1417,"price":141.4435,"value":200425.4395,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F18","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $141.07 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":198129,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507928,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":5101,"price":140.4185,"value":716274.7685,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F17","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $140.01 to $140.98, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":199546,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507927,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":2258,"price":139.3861,"value":314733.8138,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $138.95 to $139.94, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":204647,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507926,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":2813,"price":138.1338,"value":388570.3794,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F14","text":"The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"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 $138.77, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":206905,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507925,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":51,"price":146.8503,"value":7489.3653,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":209718,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507924,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":272,"price":146.2107,"value":39769.3104,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":209769,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507923,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":52,"price":145.3385,"value":7557.602,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210041,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507922,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":18,"price":143.1101,"value":2575.9818,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210093,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507921,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":12,"price":141.8953,"value":1702.7436,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210111,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507920,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":40,"price":141.3591,"value":5654.364,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210123,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507919,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":76,"price":140.1063,"value":10648.0788,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210163,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507918,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":73,"price":139.0086,"value":10147.6278,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210239,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507917,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"sale","acquired":false,"shares":91,"price":138.0439,"value":12561.9949,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Shares were sold solely to satisfy tax withholding obligations in connection with the vesting of RSUs and delivery of shares."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210312,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507916,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"grant","acquired":true,"shares":10625,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Constitute RSUs for which the Reporting Person is entitled to receive one (1) share of the Issuer's Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs vest on each quarterly anniversary of May 15, 2021. On November 15, 2021, 1,328 RSUs vested."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes 9,297 RSUs."}],"balance_after":210403,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2507915,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-17T21:51:07.000Z","date":"2021-11-15","kind":"exercise","acquired":true,"shares":108,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."}],"balance_after":199778,"source":{"system":"sec-edgar","filing":"0001562088-21-000036","document":"wf-form4_163718583977035.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000036/wf-form4_163718583977035.xml","form_type":"4"}},{"id":2562226,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":21687,"kind":"person","name":"Meese Robert","position":1,"cik":"0001869668","reported_name":"Meese Robert","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Restricted Stock Units","published_at":"2021-09-22T21:17:52.000Z","date":"2021-08-15","kind":"grant","acquired":true,"shares":108,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one (1) share of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"100% of the RSUs shall be immediately vested as of August 15, 2021 and settle on November 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"100% of the RSUs shall be immediately vested as of August 15, 2021 and settle on November 15, 2021."}],"balance_after":108,"derivative":{"underlying":"Class A Common Stock","underlying_shares":108},"source":{"system":"sec-edgar","filing":"0001562088-21-000012","document":"wf-form4_163234545739583.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1869668/000156208821000012/wf-form4_163234545739583.xml","form_type":"4"}}]}