{"transactions":[{"id":2228874,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-06-17T16:02:29.000Z","date":"2022-06-15","kind":"grant","acquired":true,"shares":57176,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents RSUs. Each RSU represents a contingent right to receive one share of Class A Common Stock of the Issuer. The RSUs vest in 16 equal quarterly installments on each quarterly anniversary of May 15, 2022 until fully vested on May 15, 2026, subject to the Reporting Person's continuing status as a service provider to the Issuer through each applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 228,702 RSUs."}],"balance_after":272949,"source":{"system":"sec-edgar","filing":"0001562180-22-005184","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022005184/primarydocument.xml","form_type":"4"}},{"id":2228873,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-06-17T16:02:29.000Z","date":"2022-06-15","kind":"grant","acquired":true,"shares":171526,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\"). Each RSU represents a contingent right to receive one share of Class A Common Stock of the Issuer. The RSUs vest in eight equal quarterly installments beginning on November 15, 2023 until fully vested on August 15, 2025, subject to the Reporting Person's continuing status as a service provider to the Issuer through each applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 171,526 RSUs."}],"balance_after":215773,"source":{"system":"sec-edgar","filing":"0001562180-22-005184","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022005184/primarydocument.xml","form_type":"4"}},{"id":2399459,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-02-14T19:44:14.000Z","date":"2022-02-10","kind":"exercise","acquired":false,"shares":7581,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F3","text":"The option is early exercisable. 25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the \"Vesting Commencement Date\"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option is early exercisable. 25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the \"Vesting Commencement Date\"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date."}],"balance_after":910672,"derivative":{"exercise_price":2.26,"expiration_date":"2029-10-31","underlying":"Class A Common Stock","underlying_shares":7581},"source":{"system":"sec-edgar","filing":"0001562180-22-001458","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022001458/primarydocument.xml","form_type":"4"}},{"id":2399458,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-14T19:44:14.000Z","date":"2022-02-10","kind":"sale","acquired":false,"shares":81,"price":45,"value":3645.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person."}],"balance_after":44247,"source":{"system":"sec-edgar","filing":"0001562180-22-001458","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022001458/primarydocument.xml","form_type":"4"}},{"id":2399457,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-14T19:44:14.000Z","date":"2022-02-10","kind":"sale","acquired":false,"shares":7500,"price":45.0947,"value":338210.25,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"1. This transaction was executed in multiple trades in prices ranging from $45.00 to $45.27, inclusive. The price reported in Column 4 above reflects the weighted average sale price. 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":44328,"source":{"system":"sec-edgar","filing":"0001562180-22-001458","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022001458/primarydocument.xml","form_type":"4"}},{"id":2399456,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-02-14T19:44:14.000Z","date":"2022-02-10","kind":"exercise","acquired":true,"shares":7581,"price":2.26,"value":17133.06,"ownership":{"direct":true},"balance_after":51828,"source":{"system":"sec-edgar","filing":"0001562180-22-001458","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022001458/primarydocument.xml","form_type":"4"}},{"id":2436227,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2022-01-13T19:01:07.000Z","date":"2022-01-11","kind":"exercise","acquired":false,"shares":7500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The option is early exercisable. 25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the \"Vesting Commencement Date\"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date."}],"balance_after":918253,"derivative":{"exercise_price":2.26,"expiration_date":"2029-10-31","underlying":"Class A Common Stock","underlying_shares":7500},"source":{"system":"sec-edgar","filing":"0001562180-22-000463","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022000463/primarydocument.xml","form_type":"4"}},{"id":2436226,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-01-13T19:01:07.000Z","date":"2022-01-11","kind":"sale","acquired":false,"shares":600,"price":46.1685,"value":27701.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades in prices ranging from $46.035 to $46.340, inclusive. The price reported in Column 4 above reflects the weighted average sale price. 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":44247,"source":{"system":"sec-edgar","filing":"0001562180-22-000463","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022000463/primarydocument.xml","form_type":"4"}},{"id":2436225,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-01-13T19:01:07.000Z","date":"2022-01-11","kind":"sale","acquired":false,"shares":6900,"price":45.3257,"value":312747.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades in prices ranging from $45.00 to $45.955, inclusive. The price reported in Column 4 above reflects the weighted average sale price. 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":44847,"source":{"system":"sec-edgar","filing":"0001562180-22-000463","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022000463/primarydocument.xml","form_type":"4"}},{"id":2436224,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2022-01-13T19:01:07.000Z","date":"2022-01-11","kind":"exercise","acquired":true,"shares":7500,"price":2.26,"value":16950.0,"ownership":{"direct":true},"balance_after":51747,"source":{"system":"sec-edgar","filing":"0001562180-22-000463","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218022000463/primarydocument.xml","form_type":"4"}},{"id":2511783,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"exercise","acquired":false,"shares":135000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The option is early exercisable. 25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the \"Vesting Commencement Date\"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date."}],"balance_after":925753,"derivative":{"exercise_price":2.26,"expiration_date":"2029-10-31","underlying":"Class A Common Stock","underlying_shares":135000},"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2511782,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"sale","acquired":false,"shares":3470,"price":75.2454,"value":261101.538,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This transaction was executed in multiple trades at prices ranging from $75.14 to $75.40. The price reported above reflects the weighted average sale price. The reporting person hereby\nundertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was\neffected."}],"balance_after":44247,"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2511781,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"sale","acquired":false,"shares":29551,"price":74.4718,"value":2200716.1618,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $74.09 to $75.08. The price reported above reflects the weighted average sale price. The reporting person hereby\nundertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was\neffected."}],"balance_after":47717,"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2511780,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"sale","acquired":false,"shares":37909,"price":73.5863,"value":2789583.0467,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $73.09 to $74.08. The price reported above reflects the weighted average sale price. The reporting person hereby\nundertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was\neffected."}],"balance_after":77268,"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2511779,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"sale","acquired":false,"shares":64070,"price":72.6939,"value":4657498.173,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades at prices ranging from $72.09 to $73.08. The price reported above reflects the weighted average sale price. The reporting person hereby\nundertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was\neffected."}],"balance_after":115177,"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2511778,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-11-16T17:29:21.000Z","date":"2021-11-12","kind":"exercise","acquired":true,"shares":135000,"price":2.26,"value":305100.0,"ownership":{"direct":true},"balance_after":179247,"source":{"system":"sec-edgar","filing":"0001562180-21-007084","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000156218021007084/primarydocument.xml","form_type":"4"}},{"id":2556201,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-09-30T19:21:32.000Z","date":"2021-09-28","kind":"exercise","acquired":false,"shares":195000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option is early exercisable.  25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the \"Vesting Commencement Date\"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date."}],"balance_after":1060753,"derivative":{"exercise_price":2.26,"expiration_date":"2029-10-31","underlying":"Class A Common Stock","underlying_shares":195000},"source":{"system":"sec-edgar","filing":"0000899243-21-038466","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321038466/doc4.xml","form_type":"4"}},{"id":2556200,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-09-30T19:21:32.000Z","date":"2021-09-28","kind":"sale","acquired":false,"shares":39000,"price":52.3062,"value":2039941.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple trades in prices ranging from $52.01 to $52.60, inclusive. The price reported in Column 4 above reflects the weighted average sale price. 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":44247,"source":{"system":"sec-edgar","filing":"0000899243-21-038466","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321038466/doc4.xml","form_type":"4"}},{"id":2556199,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-09-30T19:21:32.000Z","date":"2021-09-28","kind":"sale","acquired":false,"shares":156000,"price":50,"value":7800000.0,"ownership":{"direct":true},"balance_after":83247,"source":{"system":"sec-edgar","filing":"0000899243-21-038466","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321038466/doc4.xml","form_type":"4"}},{"id":2556198,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-09-30T19:21:32.000Z","date":"2021-09-28","kind":"exercise","acquired":true,"shares":195000,"price":2.26,"value":440700.0,"ownership":{"direct":true},"balance_after":239247,"source":{"system":"sec-edgar","filing":"0000899243-21-038466","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321038466/doc4.xml","form_type":"4"}},{"id":2561267,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class B Common Stock","published_at":"2021-09-23T21:30:23.000Z","date":"2021-09-21","kind":"exercise","acquired":false,"shares":44247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period)."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period)."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44247},"source":{"system":"sec-edgar","filing":"0000899243-21-037515","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321037515/doc4.xml","form_type":"4"}},{"id":2561266,"issuer":{"id":4566,"kind":"organization","name":"Amplitude, Inc.","symbol":"AMPL"},"owners":[{"id":126074,"kind":"person","name":"Heinz Matthew","position":1,"cik":"0001883017","reported_name":"Heinz Matthew","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Class A Common Stock","published_at":"2021-09-23T21:30:23.000Z","date":"2021-09-21","kind":"exercise","acquired":true,"shares":44247,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions or (b) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period)."}],"balance_after":44247,"source":{"system":"sec-edgar","filing":"0000899243-21-037515","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1883017/000089924321037515/doc4.xml","form_type":"4"}}]}