{"transactions":[{"id":4639967,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-10-14T00:13:21.000Z","date":"2026-10-10","kind":"grant","planned":false,"acquired":true,"shares":100,"price":149.92,"value":14992.0,"ownership":{"direct":true},"footnotes":[{"field":"acquired","element":"transactionAcquiredDisposedCode","label":"F1","text":"Represents an award of fully vested restricted stock units (\"RSUs\") in lieu of cash retainers pursuant to reporting person's election under the Issuer's Amended and Restated Non-Employee Director Compensation Program (the \"Plan\"). Each RSU represents the right to receive one share of the Issuer's Class A Common Stock and will be settled either on a date selected by the reporting person pursuant to the Plan or as otherwise provided under the Plan."}],"balance_after":11853,"source":{"system":"sec-edgar","filing":"0001628280-26-065790","document":"wk-form4_1791936799.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1562088/000162828026065790/wk-form4_1791936799.xml","form_type":"4"}},{"id":709619,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-07-14T22:40:55.000Z","date":"2026-07-10","kind":"grant","planned":false,"acquired":true,"shares":120,"price":124.76,"value":14971.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of fully vested restricted stock units (\"RSUs\") in lieu of cash retainers pursuant to reporting person's election under the Issuer's Amended and Restated Non-Employee Director Compensation Program (the \"Plan\"). Each RSU represents the right to receive one share of the Issuer's Class A Common Stock and will be settled either on a date selected by the reporting person pursuant to the Plan or as otherwise provided under the Plan."}],"balance_after":11753,"source":{"system":"sec-edgar","filing":"0001628280-26-048225","document":"wk-form4_1784068852.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000162828026048225/wk-form4_1784068852.xml","form_type":"4"}},{"id":747615,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-06-05T20:25:36.000Z","date":"2026-06-03","kind":"grant","planned":false,"acquired":true,"shares":2001,"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 the Issuer's Class A Common Stock for each RSU upon vesting. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next annual meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":11633,"source":{"system":"sec-edgar","filing":"0001628280-26-041256","document":"wk-form4_1780691133.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000162828026041256/wk-form4_1780691133.xml","form_type":"4"}},{"id":860978,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2026-03-04T21:49:44.000Z","date":"2026-03-03","kind":"purchase","planned":false,"acquired":true,"shares":5000,"price":99.7584,"value":498792.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average purchase price calculated by the broker executing the purchases. These shares were purchased in multiple transactions at prices ranging from $99.07 to $99.96, 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 purchased at each respective price within the range set forth in this footnote."}],"balance_after":9632,"source":{"system":"sec-edgar","filing":"0001628280-26-014695","document":"wk-form4_1772660982.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000162828026014695/wk-form4_1772660982.xml","form_type":"4"}},{"id":1106029,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-06-19T00:17:06.000Z","date":"2025-06-11","kind":"grant","planned":false,"acquired":true,"shares":379,"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 the Issuer's Class A Common Stock for each RSU upon vesting. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next annual meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":4632,"source":{"system":"sec-edgar","filing":"0001562088-25-000144","document":"wk-form4_1750292220.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000144/wk-form4_1750292220.xml","form_type":"4"}},{"id":1109537,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-06-16T20:10:22.000Z","date":"2025-06-13","kind":"sale","planned":true,"acquired":false,"shares":895,"price":476.8459,"value":426777.0805,"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."}],"balance_after":4253,"source":{"system":"sec-edgar","filing":"0001562088-25-000131","document":"wk-form4_1750104616.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000131/wk-form4_1750104616.xml","form_type":"4"}},{"id":1198969,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-03-18T20:06:28.000Z","date":"2025-03-17","kind":"exercise","planned":true,"acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The shares subject to the option are fully vested and exercisable."}],"balance_after":0,"derivative":{"exercise_price":22.91,"expiration_date":"2030-09-23","underlying":"Class A Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001562088-25-000052","document":"wk-form4_1742328381.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000052/wk-form4_1742328381.xml","form_type":"4"}},{"id":1198968,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-03-18T20:06:28.000Z","date":"2025-03-17","kind":"sale","planned":true,"acquired":false,"shares":2825,"price":301.1142,"value":850647.615,"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":"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 $301.01 to $301.24, 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":5148,"source":{"system":"sec-edgar","filing":"0001562088-25-000052","document":"wk-form4_1742328381.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000052/wk-form4_1742328381.xml","form_type":"4"}},{"id":1198967,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-03-18T20:06:28.000Z","date":"2025-03-17","kind":"sale","planned":true,"acquired":false,"shares":17175,"price":300.6089,"value":5162957.8575,"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 $300.00 to $300.98, 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."}],"balance_after":7973,"source":{"system":"sec-edgar","filing":"0001562088-25-000052","document":"wk-form4_1742328381.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000052/wk-form4_1742328381.xml","form_type":"4"}},{"id":1198966,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2025-03-18T20:06:28.000Z","date":"2025-03-17","kind":"exercise","planned":true,"acquired":true,"shares":20000,"price":22.91,"value":458200.0,"ownership":{"direct":true},"balance_after":25148,"source":{"system":"sec-edgar","filing":"0001562088-25-000052","document":"wk-form4_1742328381.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208825000052/wk-form4_1742328381.xml","form_type":"4"}},{"id":1478669,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-06-14T20:16:09.000Z","date":"2024-06-12","kind":"grant","planned":false,"acquired":true,"shares":895,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Constitute restricted stock units (\"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. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next annual meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":5148,"source":{"system":"sec-edgar","filing":"0001562088-24-000159","document":"wk-form4_1718396161.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000159/wk-form4_1718396161.xml","form_type":"4"}},{"id":1658396,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"exercise","planned":true,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"25% of the shares subject to the option vest annually measured from September 2, 2020 (the \"Vesting Commencement Date\"), 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":20000,"derivative":{"exercise_price":22.91,"expiration_date":"2030-09-23","underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658395,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":1266,"price":181.2418,"value":229452.1188,"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 March 15, 2023."},{"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 $181.05 to $181.47, 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":4253,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658394,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":2273,"price":180.1809,"value":409551.1857,"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 March 15, 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 $179.80 to $180.77, 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."}],"balance_after":5519,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658393,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":1700,"price":179.3761,"value":304939.37,"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 March 15, 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 $178.74 to $179.69, 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":7792,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658392,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":1498,"price":178.0369,"value":266699.2762,"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 March 15, 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 $177.63 to $178.35, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":9492,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658391,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":2463,"price":176.8893,"value":435678.3459,"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 March 15, 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 $176.44 to $177.40, 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."}],"balance_after":10990,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658390,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"sale","planned":true,"acquired":false,"shares":800,"price":175.6594,"value":140527.52,"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 March 15, 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 $175.28 to $176.04, 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":13453,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1658389,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2024-02-05T21:14:27.000Z","date":"2024-02-01","kind":"exercise","planned":true,"acquired":true,"shares":10000,"price":22.91,"value":229100.0,"ownership":{"direct":true},"balance_after":14253,"source":{"system":"sec-edgar","filing":"0001562088-24-000017","document":"wk-form4_1707167651.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208824000017/wk-form4_1707167651.xml","form_type":"4"}},{"id":1849066,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-20T21:22:45.000Z","date":"2023-06-15","kind":"grant","planned":false,"acquired":true,"shares":1016,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Constitute restricted stock units (\"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. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next annual meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":4253,"source":{"system":"sec-edgar","filing":"0001562088-23-000157","document":"wk-form4_1687296151.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000157/wk-form4_1687296151.xml","form_type":"4"}},{"id":1854021,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"exercise","planned":true,"acquired":false,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"25% of the shares subject to the option vest annually measured from September 2, 2020 (the \"Vesting Commencement Date\"), 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":30000,"derivative":{"exercise_price":22.91,"expiration_date":"2030-09-23","underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":1854020,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"sale","planned":true,"acquired":false,"shares":2496,"price":154.6431,"value":385989.1776,"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 adopted on March 15, 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 $154.29 to $154.94, 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."}],"balance_after":3237,"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":1854019,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"sale","planned":true,"acquired":false,"shares":3200,"price":153.7531,"value":492009.92,"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 adopted on March 15, 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 $153.26 to $154.24, 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":5733,"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":1854018,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"sale","planned":true,"acquired":false,"shares":2404,"price":152.7115,"value":367118.446,"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 adopted on March 15, 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 $152.14 to $153.13, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote."}],"balance_after":8933,"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":1854017,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"sale","planned":true,"acquired":false,"shares":1900,"price":151.6309,"value":288098.71,"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 adopted on March 15, 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 $151.01 to $152.00, 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":11337,"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":1854016,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:17:39.000Z","date":"2023-06-14","kind":"exercise","planned":true,"acquired":true,"shares":10000,"price":22.91,"value":229100.0,"ownership":{"direct":true},"balance_after":13237,"source":{"system":"sec-edgar","filing":"0001562088-23-000143","document":"wk-form4_1686860249.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208823000143/wk-form4_1686860249.xml","form_type":"4"}},{"id":2233789,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2022-06-13T21:04:03.000Z","date":"2022-06-09","kind":"grant","acquired":true,"shares":1664,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Constitute restricted stock units (\"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. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next Annual Meeting of the Issuer's stockholders following the grant date, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":3237,"source":{"system":"sec-edgar","filing":"0001562088-22-000105","document":"wf-form4_165515422126230.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208822000105/wf-form4_165515422126230.xml","form_type":"4"}},{"id":2465535,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":30509,"kind":"person","name":"Shelton James H","position":1,"cik":"0001342646","reported_name":"Shelton James H","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2021-12-17T21:34:18.000Z","date":"2021-12-15","kind":"grant","acquired":true,"shares":1573,"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 the Issuer's Class A Common Stock for each RSU upon vesting. 100% of the RSUs vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the next Annual Meeting of the Issuer's stockholders following the grant date."}],"balance_after":1573,"source":{"system":"sec-edgar","filing":"0001562088-21-000063","document":"wf-form4_163977683144571.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1342646/000156208821000063/wf-form4_163977683144571.xml","form_type":"4"}}]}