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Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Founders Fund, LLC (\"KPCB DGF FF\"). The managing member of KPCB DGF FF is KPCB DGF Associates. L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF FF except to the extent of their pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":148487},"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341277,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"exercise","acquired":false,"shares":2438394,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"SEE FOOTNOTE"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Fund, LLC (\"KPCB DGF\"). The managing member of KPCB DGF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF except to the extent of their pecuniary interest therein."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2438394},"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341276,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"other","acquired":false,"shares":279439,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F7","text":"Represents a pro-rata in-kind distribution of Class A Common Stock of the Issuer by KPCB DGF Associates without consideration to its members."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"All shares are held directly by KPCB DGF Associates. L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF Associates. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF Associates except to the extent of their pecuniary interest therein."}],"balance_after":26636,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341275,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"other","acquired":true,"shares":306075,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Represents a change in the form of ownership as a result of the receipt by KPCB DGF Associates of shares of Class A Common Stock in the KPCB DGF Distribution."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"All shares are held directly by KPCB DGF Associates. L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF Associates. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF Associates except to the extent of their pecuniary interest therein."}],"balance_after":306075,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341274,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"other","acquired":false,"shares":57400,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F4","text":"Represents a pro-rata in-kind distribution of Class A Common Stock of the Issuer by KPCB DGF FF without consideration to its members (the \"KPCB DGF FF Distribution\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Founders Fund, LLC (\"KPCB DGF FF\"). The managing member of KPCB DGF FF is KPCB DGF Associates. L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF FF except to the extent of their pecuniary interest therein."}],"balance_after":91087,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341273,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"other","acquired":false,"shares":942600,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"Represents a pro-rata in-kind distribution of Class A Common Stock of the Issuer by KPCB DGF without consideration to its members (the \"KPCB DGF Distribution\")."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Fund, LLC (\"KPCB DGF\"). The managing member of KPCB DGF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF except to the extent of their pecuniary interest therein."}],"balance_after":1495794,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341272,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"exercise","acquired":true,"shares":148487,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Founders Fund, LLC (\"KPCB DGF FF\"). The managing member of KPCB DGF FF is KPCB DGF Associates. L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF FF except to the extent of their pecuniary interest therein."}],"balance_after":148487,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2341271,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-09T20:03:20.000Z","date":"2022-03-07","kind":"exercise","acquired":true,"shares":2438394,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the account of KPCB Digital Growth Fund, LLC (\"KPCB DGF\"). The managing member of KPCB DGF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of the Issuer's board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF except to the extent of their pecuniary interest therein."}],"balance_after":2438394,"source":{"system":"sec-edgar","filing":"0001104659-22-032124","document":"tm228827-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000110465922032124/tm228827-1_4seq1.xml","form_type":"4"}},{"id":2619748,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"exercise","acquired":false,"shares":136152,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Consists of (i) 2,438,394 shares of class B Common Stock held by KPCB DGF and (ii) 148,487 shares of Class B Common Stock held by KPCB DGF FF."}],"balance_after":2586881,"derivative":{"underlying":"Class A Common Stock","underlying_shares":136152},"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}},{"id":2619747,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"exercise","acquired":true,"shares":2723033,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F7","text":"Consists of (i) 2,566,731 shares of Class B Common Stock held by KPCB DGF and (ii) 156,302 shares Class B Common Stock held by KPCB DGF FF."}],"balance_after":2723033,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2723033},"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}},{"id":2619746,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series D Preferred Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"exercise","acquired":false,"shares":70084,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Consists of (i) 66,061 shares of Series D Preferred Stock held by KPCB DGF and (ii) 4,023 shares of Series D Preferred Stock held by KPCB DGF FF."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":70084},"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}},{"id":2619745,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Preferred Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"exercise","acquired":false,"shares":2652949,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Each share of Series C Preferred Stock and Series D Preferred Stock automatically converted on a 1-for-1 basis into the Issuer's Class B Common Stock immediately prior to the closing of the Issuer's initial public offering."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Consists of (i) 2,500,670 shares of Series C Preferred Stock held by KPCB Digital Growth Fund, LLC (\"KPCB DGF\"), and (ii) 152,279 shares of Series C Preferred Stock held by KPCB Digital Growth Founders Fund, LLC (\"KPCB DGF FF\")."}],"balance_after":0,"derivative":{"underlying":"Class B Common Stock","underlying_shares":2652949},"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}},{"id":2619744,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"sale","acquired":false,"shares":136152,"price":102,"value":13887504.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}},{"id":2619743,"issuer":{"id":3679,"kind":"organization","name":"Duolingo, Inc.","symbol":"DUOL"},"owners":[{"id":106111,"kind":"organization","name":"KPCB DGF Associates, LLC","position":1,"cik":"0001537345","reported_name":"KPCB DGF Associates, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129299,"kind":"organization","name":"KPCB Digital Growth Founders Fund, LLC","position":2,"cik":"0001537347","reported_name":"KPCB Digital Growth Founders Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":129300,"kind":"organization","name":"KPCB Digital Growth Fund, LLC","position":3,"cik":"0001505782","reported_name":"KPCB Digital Growth Fund, LLC","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2021-08-02T21:52:29.000Z","date":"2021-07-30","kind":"exercise","acquired":true,"shares":136152,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnotes"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock in connection with: (i) any transfer, whether or not for value, except for certain permitted transfers further described in the Issuer's amended and restated certificate of incorporation and (ii) such time as the aggregate number of shares of Class B Common Stock outstanding ceases to represent 5% of the aggregate number of shares of Common Stock outstanding."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"All shares are held for convenience in the name of \"KPCB Holdings, Inc., as nominee\" for the accounts of KPCB DGF and KPCB DGF FF."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The managing member of KPCB DGF and KPCB DGF FF is KPCB DGF Associates, LLC (\"KPCB DGF Associates\"). L. John Doerr, Brook Byers, Mary Meeker, William \"Bing\" Gordon, a member of our board of directors, and Theodore E. Schlein, the managing members of KPCB DGF Associates, exercise shared voting and dispositive control over the shares held by KPCB DGF and KPCB DGF FF. Such managing members disclaim beneficial ownership of all shares held by KPCB DGF and KPCB DGF FF except to the extent of their pecuniary interest therein."}],"balance_after":136152,"source":{"system":"sec-edgar","filing":"0001628280-21-015225","document":"wf-form4_162795553455003.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1505782/000162828021015225/wf-form4_162795553455003.xml","form_type":"4"}}]}