{"transactions":[{"id":4624224,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM"}}],"security":"Ordinary Shares","published_at":"2026-09-18T20:50:46.000Z","date":"2026-09-17","kind":"sale","planned":false,"acquired":false,"shares":2009,"price":64.83,"value":130243.47,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 238 shares acquired under the Company's employee stock purchase plan on September 15, 2026."}],"balance_after":154153,"source":{"system":"sec-edgar","filing":"0001280263-26-000072","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000072/edgardoc.xml","form_type":"4"}},{"id":717623,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM"}}],"security":"Ordinary Shares","published_at":"2026-07-02T20:58:18.000Z","date":"2026-07-01","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":88.84,"value":888400.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $88.79 to $88.97 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":155924,"source":{"system":"sec-edgar","filing":"0001280263-26-000053","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000053/edgardoc.xml","form_type":"4"}},{"id":731856,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM"}}],"security":"Ordinary Shares","published_at":"2026-06-18T20:54:55.000Z","date":"2026-06-17","kind":"sale","planned":false,"acquired":false,"shares":2017,"price":67.87,"value":136893.79,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":165924,"source":{"system":"sec-edgar","filing":"0001280263-26-000045","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000045/edgardoc.xml","form_type":"4"}},{"id":833300,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Performance Stock Units","published_at":"2026-03-19T22:39:54.000Z","date":"2026-03-17","kind":"exercise","planned":false,"acquired":false,"shares":9553,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On April 3, 2023, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2026.  In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the \"TSR Period\"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On April 3, 2023, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2026.  In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the \"TSR Period\"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number."}],"balance_after":0,"derivative":{"expiration_date":"2026-03-15","underlying":"Ordinary Shares","underlying_shares":9553},"source":{"system":"sec-edgar","filing":"0001280263-26-000028","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000028/edgardoc.xml","form_type":"4"}},{"id":833299,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-03-19T22:39:54.000Z","date":"2026-03-19","kind":"sale","planned":false,"acquired":false,"shares":2155,"price":54.14,"value":116671.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":167941,"source":{"system":"sec-edgar","filing":"0001280263-26-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000028/edgardoc.xml","form_type":"4"}},{"id":833298,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-03-19T22:39:54.000Z","date":"2026-03-18","kind":"grant","planned":false,"acquired":true,"shares":5930,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share."}],"balance_after":170096,"source":{"system":"sec-edgar","filing":"0001280263-26-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000028/edgardoc.xml","form_type":"4"}},{"id":833297,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-03-19T22:39:54.000Z","date":"2026-03-17","kind":"sale","planned":false,"acquired":false,"shares":4729,"price":52.77,"value":249549.33,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":164166,"source":{"system":"sec-edgar","filing":"0001280263-26-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000028/edgardoc.xml","form_type":"4"}},{"id":833296,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-03-19T22:39:54.000Z","date":"2026-03-17","kind":"exercise","planned":false,"acquired":true,"shares":9553,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026."}],"balance_after":168895,"source":{"system":"sec-edgar","filing":"0001280263-26-000028","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000028/edgardoc.xml","form_type":"4"}},{"id":861113,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Performance Stock Units","published_at":"2026-03-04T22:38:53.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":17329,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2029, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2026 through January 31, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2029, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2026 through January 31, 2029."}],"balance_after":17329,"derivative":{"expiration_date":"2029-03-15","underlying":"Ordinary Shares","underlying_shares":17329},"source":{"system":"sec-edgar","filing":"0001280263-26-000023","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000023/edgardoc.xml","form_type":"4"}},{"id":861112,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-03-04T22:38:53.000Z","date":"2026-03-02","kind":"grant","planned":false,"acquired":true,"shares":17329,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2026."}],"balance_after":159188,"source":{"system":"sec-edgar","filing":"0001280263-26-000023","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000023/edgardoc.xml","form_type":"4"}},{"id":932098,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-01-23T23:05:29.000Z","date":"2025-12-30","kind":"sale","planned":false,"acquired":false,"shares":7945,"price":70.25,"value":558136.25,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $70.19 to $70.43 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":149587,"source":{"system":"sec-edgar","filing":"0001280263-26-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000004/edgardoc.xml","form_type":"4/A","original_submission_date":"2026-01-23"}},{"id":944243,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2026-01-07T22:02:14.000Z","date":"2026-01-05","kind":"sale","planned":false,"acquired":false,"shares":7728,"price":75.583,"value":584105.424,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $75.29 to $76.02 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":146039,"source":{"system":"sec-edgar","filing":"0001280263-26-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026326000002/edgardoc.xml","form_type":"4"}},{"id":956433,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2025-12-31T22:21:57.000Z","date":"2025-12-30","kind":"sale","planned":false,"acquired":false,"shares":3765,"price":70.32,"value":264754.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $70.24 to $70.43 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":153767,"source":{"system":"sec-edgar","filing":"0001280263-25-000074","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000074/edgardoc.xml","form_type":"4"}},{"id":961918,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2025-12-19T21:46:52.000Z","date":"2025-12-17","kind":"sale","planned":false,"acquired":false,"shares":1342,"price":71.82,"value":96382.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":157532,"source":{"system":"sec-edgar","filing":"0001280263-25-000068","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000068/edgardoc.xml","form_type":"4"}},{"id":1018326,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2025-10-15T21:00:40.000Z","date":"2025-10-14","kind":"sale","planned":false,"acquired":false,"shares":6156,"price":80.96,"value":498389.76,"ownership":{"direct":true},"balance_after":158874,"source":{"system":"sec-edgar","filing":"0001280263-25-000062","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000062/edgardoc.xml","form_type":"4"}},{"id":1018325,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Senior VP, Systems & GM, Asia"}}],"security":"Ordinary Shares","published_at":"2025-10-15T21:00:40.000Z","date":"2025-10-13","kind":"sale","planned":false,"acquired":false,"shares":5057,"price":81.2919,"value":411093.1383,"ownership":{"direct":true},"balance_after":165030,"source":{"system":"sec-edgar","filing":"0001280263-25-000062","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000062/edgardoc.xml","form_type":"4"}},{"id":1035490,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-09-19T21:03:32.000Z","date":"2025-09-17","kind":"sale","planned":false,"acquired":false,"shares":1168,"price":79.43,"value":92774.24,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 223 shares acquired under the Company's employee stock purchase plan on September 15, 2025."}],"balance_after":170087,"source":{"system":"sec-edgar","filing":"0001280263-25-000056","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000056/edgardoc.xml","form_type":"4"}},{"id":1104851,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-06-20T20:16:15.000Z","date":"2025-06-17","kind":"sale","planned":false,"acquired":false,"shares":1108,"price":52.26,"value":57904.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":171032,"source":{"system":"sec-edgar","filing":"0001280263-25-000026","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000026/edgardoc.xml","form_type":"4"}},{"id":1195538,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-03-20T20:43:29.000Z","date":"2025-03-18","kind":"sale","planned":false,"acquired":false,"shares":1034,"price":55.02,"value":56890.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 234 shares acquired under the Company's employee stock purchase plan on March 17, 2025."}],"balance_after":172140,"source":{"system":"sec-edgar","filing":"0001280263-25-000019","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000019/edgardoc.xml","form_type":"4"}},{"id":1217140,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2025-03-07T21:22:05.000Z","date":"2025-02-28","kind":"grant","planned":false,"acquired":true,"shares":12388,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2028, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2025 through January 31, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2028, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2025 through January 31, 2028."}],"balance_after":12388,"derivative":{"expiration_date":"2028-03-15","underlying":"Ordinary Shares","underlying_shares":12388},"source":{"system":"sec-edgar","filing":"0001280263-25-000011","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000011/edgardoc.xml","form_type":"4"}},{"id":1217139,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-03-07T21:22:05.000Z","date":"2025-03-06","kind":"sale","planned":false,"acquired":false,"shares":1859,"price":55.11,"value":102449.49,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":172940,"source":{"system":"sec-edgar","filing":"0001280263-25-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000011/edgardoc.xml","form_type":"4"}},{"id":1217138,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-03-07T21:22:05.000Z","date":"2025-03-05","kind":"grant","planned":false,"acquired":true,"shares":4773,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2025 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share."}],"balance_after":174799,"source":{"system":"sec-edgar","filing":"0001280263-25-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000011/edgardoc.xml","form_type":"4"}},{"id":1217137,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2025-03-07T21:22:05.000Z","date":"2025-02-28","kind":"grant","planned":false,"acquired":true,"shares":12388,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2025."}],"balance_after":170026,"source":{"system":"sec-edgar","filing":"0001280263-25-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026325000011/edgardoc.xml","form_type":"4"}},{"id":1326480,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-18T22:10:20.000Z","date":"2024-12-16","kind":"sale","planned":false,"acquired":false,"shares":1048,"price":75.41,"value":79029.68,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":157638,"source":{"system":"sec-edgar","filing":"0001280263-24-000060","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000060/edgardoc.xml","form_type":"4"}},{"id":1337029,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-10T22:21:06.000Z","date":"2024-12-09","kind":"sale","planned":false,"acquired":false,"shares":3000,"price":75.72,"value":227160.0,"ownership":{"direct":true},"balance_after":158686,"source":{"system":"sec-edgar","filing":"0001280263-24-000057","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000057/edgardoc.xml","form_type":"4"}},{"id":1337028,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-10T22:21:06.000Z","date":"2024-12-09","kind":"sale","planned":false,"acquired":false,"shares":2118,"price":75.6919,"value":160315.4442,"ownership":{"direct":true},"balance_after":161686,"source":{"system":"sec-edgar","filing":"0001280263-24-000057","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000057/edgardoc.xml","form_type":"4"}},{"id":1337027,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-10T22:21:06.000Z","date":"2024-12-09","kind":"gift","planned":false,"acquired":false,"shares":593,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":163804,"source":{"system":"sec-edgar","filing":"0001280263-24-000057","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000057/edgardoc.xml","form_type":"4"}},{"id":1340263,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-06T23:09:05.000Z","date":"2024-12-04","kind":"gift","planned":false,"acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"by Foundation"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were donated to the Huey Lin and Chihong John Ju Foundation, a charitable foundation over which the Reporting Person is deemed to have voting and investment power. However, the Reporting Person has no personal pecuniary interest in these shares."}],"balance_after":8000,"source":{"system":"sec-edgar","filing":"0001280263-24-000056","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000056/edgardoc.xml","form_type":"4"}},{"id":1340262,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-12-06T23:09:05.000Z","date":"2024-12-04","kind":"gift","planned":false,"acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were donated to the Huey Lin and Chihong John Ju Foundation, a charitable foundation over which the Reporting Person is deemed to have voting and investment power. However, the Reporting Person has no personal pecuniary interest in these shares."}],"balance_after":164397,"source":{"system":"sec-edgar","filing":"0001280263-24-000056","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000056/edgardoc.xml","form_type":"4"}},{"id":1402240,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-09-19T21:00:07.000Z","date":"2024-09-17","kind":"sale","planned":false,"acquired":false,"shares":1050,"price":53.54,"value":56217.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 254 shares acquired under the Company's employee stock purchase plan on September 16, 2024."}],"balance_after":172397,"source":{"system":"sec-edgar","filing":"0001280263-24-000046","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000046/edgardoc.xml","form_type":"4"}},{"id":1468037,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-27T21:44:56.000Z","date":"2024-06-26","kind":"sale","planned":false,"acquired":false,"shares":6000,"price":52.9036,"value":317421.6,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $52.90 to $52.95 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":173193,"source":{"system":"sec-edgar","filing":"0001280263-24-000033","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000033/edgardoc.xml","form_type":"4"}},{"id":1470529,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Non-Qualified Stock Option (right to buy)","published_at":"2024-06-25T00:06:36.000Z","date":"2024-06-21","kind":"exercise","planned":false,"acquired":false,"shares":8900,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares subject to the option vest monthly over four years commencing on September 8, 2014."}],"balance_after":0,"derivative":{"exercise_price":38.92,"expiration_date":"2024-09-07","underlying":"Ordinary Shares","underlying_shares":8900},"source":{"system":"sec-edgar","filing":"0001280263-24-000032","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000032/edgardoc.xml","form_type":"4"}},{"id":1470528,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-25T00:06:36.000Z","date":"2024-06-21","kind":"sale","planned":false,"acquired":false,"shares":8900,"price":55.53,"value":494217.0,"ownership":{"direct":true},"balance_after":179193,"source":{"system":"sec-edgar","filing":"0001280263-24-000032","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000032/edgardoc.xml","form_type":"4"}},{"id":1470527,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-25T00:06:36.000Z","date":"2024-06-21","kind":"exercise","planned":false,"acquired":true,"shares":8900,"price":38.92,"value":346388.0,"ownership":{"direct":true},"balance_after":188093,"source":{"system":"sec-edgar","filing":"0001280263-24-000032","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000032/edgardoc.xml","form_type":"4"}},{"id":1472983,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-20T20:29:39.000Z","date":"2024-06-18","kind":"sale","planned":false,"acquired":false,"shares":1059,"price":55.48,"value":58753.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":179193,"source":{"system":"sec-edgar","filing":"0001280263-24-000027","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000027/edgardoc.xml","form_type":"4"}},{"id":1483250,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-11T20:39:36.000Z","date":"2024-06-10","kind":"sale","planned":false,"acquired":false,"shares":1895,"price":57.5001,"value":108962.6895,"ownership":{"direct":true},"balance_after":180252,"source":{"system":"sec-edgar","filing":"0001280263-24-000024","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000024/edgardoc.xml","form_type":"4"}},{"id":1483249,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-06-11T20:39:36.000Z","date":"2024-06-07","kind":"sale","planned":false,"acquired":false,"shares":2296,"price":56.7854,"value":130379.2784,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $56.78 to $56.81 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":182147,"source":{"system":"sec-edgar","filing":"0001280263-24-000024","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000024/edgardoc.xml","form_type":"4"}},{"id":1565820,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-03-20T20:25:55.000Z","date":"2024-03-18","kind":"sale","planned":false,"acquired":false,"shares":778,"price":49.27,"value":38332.06,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 218 shares acquired under the Company's employee stock purchase plan on March 15, 2024."}],"balance_after":184443,"source":{"system":"sec-edgar","filing":"0001280263-24-000018","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000018/edgardoc.xml","form_type":"4"}},{"id":1583907,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-03-11T20:10:58.000Z","date":"2024-03-08","kind":"sale","planned":false,"acquired":false,"shares":509,"price":57.16,"value":29094.44,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":185003,"source":{"system":"sec-edgar","filing":"0001280263-24-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000011/edgardoc.xml","form_type":"4"}},{"id":1583906,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-03-11T20:10:58.000Z","date":"2024-03-07","kind":"grant","planned":false,"acquired":true,"shares":1224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2024 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share."}],"balance_after":185512,"source":{"system":"sec-edgar","filing":"0001280263-24-000011","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000011/edgardoc.xml","form_type":"4"}},{"id":1602692,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2024-03-04T22:35:58.000Z","date":"2024-02-29","kind":"grant","planned":false,"acquired":true,"shares":15898,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2027, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2024 through January 31, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2027, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2024 through January 31, 2027."}],"balance_after":15898,"derivative":{"underlying":"Ordinary Shares","underlying_shares":15898},"source":{"system":"sec-edgar","filing":"0001280263-24-000004","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000004/edgardoc.xml","form_type":"4"}},{"id":1602691,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2024-03-04T22:35:58.000Z","date":"2024-02-29","kind":"grant","planned":false,"acquired":true,"shares":15898,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2024."}],"balance_after":184288,"source":{"system":"sec-edgar","filing":"0001280263-24-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026324000004/edgardoc.xml","form_type":"4"}},{"id":1702054,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-12-21T22:04:43.000Z","date":"2023-12-19","kind":"sale","planned":false,"acquired":false,"shares":1074,"price":63.04,"value":67704.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":168390,"source":{"system":"sec-edgar","filing":"0001280263-23-000067","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000067/edgardoc.xml","form_type":"4"}},{"id":1776089,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-09-20T20:27:46.000Z","date":"2023-09-18","kind":"sale","planned":false,"acquired":false,"shares":1048,"price":57.3,"value":60050.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 163 shares acquired under the Company's employee stock purchase plan on September 15, 2023."}],"balance_after":169464,"source":{"system":"sec-edgar","filing":"0001280263-23-000059","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000059/edgardoc.xml","form_type":"4"}},{"id":1832172,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-07-10T20:41:57.000Z","date":"2023-07-07","kind":"sale","planned":false,"acquired":false,"shares":4251,"price":81.8145,"value":347793.4395,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $81.76 to $81.831 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":170349,"source":{"system":"sec-edgar","filing":"0001280263-23-000049","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000049/edgardoc.xml","form_type":"4"}},{"id":1849241,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-06-20T23:49:09.000Z","date":"2023-06-20","kind":"sale","planned":false,"acquired":false,"shares":1015,"price":84.8,"value":86072.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":174600,"source":{"system":"sec-edgar","filing":"0001280263-23-000043","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000043/edgardoc.xml","form_type":"4"}},{"id":1849240,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-06-20T23:49:09.000Z","date":"2023-06-15","kind":"grant","planned":false,"acquired":true,"shares":17814,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"The number of shares represented in column 4 was previously reported in Table II as restricted stock units. A portion of the shares reported in column 4 remain subject to quarterly time-based vesting requirements."}],"balance_after":175615,"source":{"system":"sec-edgar","filing":"0001280263-23-000043","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000043/edgardoc.xml","form_type":"4"}},{"id":1860343,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-06-09T20:59:20.000Z","date":"2023-06-08","kind":"sale","planned":false,"acquired":false,"shares":4165,"price":82.6191,"value":344108.5515,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $82.58 to $82.64 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":157801,"source":{"system":"sec-edgar","filing":"0001280263-23-000033","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000033/edgardoc.xml","form_type":"4"}},{"id":1924806,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2023-04-05T20:53:47.000Z","date":"2023-04-03","kind":"grant","planned":false,"acquired":true,"shares":9553,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2026, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2023 through January 31, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2026, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2023 through January 31, 2026."}],"balance_after":9553,"derivative":{"expiration_date":"2026-03-15","underlying":"Ordinary Shares","underlying_shares":9553},"source":{"system":"sec-edgar","filing":"0001280263-23-000025","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000025/edgardoc.xml","form_type":"4"}},{"id":1946573,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":775,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."}],"balance_after":6206,"derivative":{"expiration_date":"2025-03-15","underlying":"Restricted Stock Units","underlying_shares":775},"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1946572,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":513,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":2055,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":513},"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1946571,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":0,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1946570,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-15","kind":"exercise","acquired":false,"shares":14338,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On March 25, 2020, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\").  Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2023, subject to continued service requirements through such date.  In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2020 through January 31, 2023 (the \"TSR Period\"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest was 69.78% of the Target RSU Number."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On March 25, 2020, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\").  Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2023, subject to continued service requirements through such date.  In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2020 through January 31, 2023 (the \"TSR Period\"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest was 69.78% of the Target RSU Number."}],"balance_after":0,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":14338},"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1946569,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-17","kind":"sale","acquired":false,"shares":4402,"price":76.85,"value":338293.7,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":161966,"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1946568,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2023-03-18T00:52:46.000Z","date":"2023-03-15","kind":"exercise","acquired":true,"shares":12488,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 191 shares acquired under the Company's employee stock purchase plan on March 15, 2023."}],"balance_after":166368,"source":{"system":"sec-edgar","filing":"0001280263-23-000019","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000019/edgardoc.xml","form_type":"4"}},{"id":1968718,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2023-03-06T21:32:52.000Z","date":"2023-03-02","kind":"grant","acquired":true,"shares":9553,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2023."}],"balance_after":9553,"derivative":{"underlying":"Ordinary Shares","underlying_shares":9553},"source":{"system":"sec-edgar","filing":"0001280263-23-000002","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026323000002/edgardoc.xml","form_type":"4"}},{"id":2077538,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-12-22T23:02:15.000Z","date":"2022-12-22","kind":"sale","acquired":false,"shares":2000,"price":81.1601,"value":162320.2,"ownership":{"direct":true},"balance_after":153689,"source":{"system":"sec-edgar","filing":"0001280263-22-000105","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000105/edgardoc.xml","form_type":"4"}},{"id":2079601,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":776,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."}],"balance_after":6981,"derivative":{"expiration_date":"2025-03-15","underlying":"Restricted Stock Units","underlying_shares":776},"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2079600,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":2568,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":514},"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2079599,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-16","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":1195,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2079598,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-19","kind":"sale","acquired":false,"shares":764,"price":80.4611,"value":61472.2804,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $80.46 to $80.47 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":155689,"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2079597,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-16","kind":"sale","acquired":false,"shares":1262,"price":83.77,"value":105717.74,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":156453,"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2079596,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-12-20T22:40:13.000Z","date":"2022-12-16","kind":"exercise","acquired":true,"shares":2485,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."}],"balance_after":157715,"source":{"system":"sec-edgar","filing":"0001280263-22-000103","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000103/edgardoc.xml","form_type":"4"}},{"id":2153966,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-09-20T20:54:35.000Z","date":"2022-09-16","kind":"exercise","acquired":false,"shares":776,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."}],"balance_after":7757,"derivative":{"expiration_date":"2025-03-15","underlying":"Restricted Stock Units","underlying_shares":776},"source":{"system":"sec-edgar","filing":"0001280263-22-000077","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000077/edgardoc.xml","form_type":"4"}},{"id":2153965,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-09-20T20:54:35.000Z","date":"2022-09-16","kind":"exercise","acquired":false,"shares":514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":3082,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":514},"source":{"system":"sec-edgar","filing":"0001280263-22-000077","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000077/edgardoc.xml","form_type":"4"}},{"id":2153964,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-09-20T20:54:35.000Z","date":"2022-09-16","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":2390,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-22-000077","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000077/edgardoc.xml","form_type":"4"}},{"id":2153963,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-09-20T20:54:35.000Z","date":"2022-09-16","kind":"sale","acquired":false,"shares":1272,"price":63.25,"value":80454.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":155230,"source":{"system":"sec-edgar","filing":"0001280263-22-000077","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000077/edgardoc.xml","form_type":"4"}},{"id":2153962,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-09-20T20:54:35.000Z","date":"2022-09-16","kind":"exercise","acquired":true,"shares":2485,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 142 shares acquired under the Company's employee stock purchase plan on September 15, 2022."}],"balance_after":156502,"source":{"system":"sec-edgar","filing":"0001280263-22-000077","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000077/edgardoc.xml","form_type":"4"}},{"id":2227355,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-06-17T22:18:35.000Z","date":"2022-06-16","kind":"exercise","acquired":false,"shares":775,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."}],"balance_after":8533,"derivative":{"expiration_date":"2025-03-15","underlying":"Restricted Stock Units","underlying_shares":775},"source":{"system":"sec-edgar","filing":"0001280263-22-000059","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000059/edgardoc.xml","form_type":"4"}},{"id":2227354,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-06-17T22:18:35.000Z","date":"2022-06-16","kind":"exercise","acquired":false,"shares":513,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":3596,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":513},"source":{"system":"sec-edgar","filing":"0001280263-22-000059","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000059/edgardoc.xml","form_type":"4"}},{"id":2227353,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-06-17T22:18:35.000Z","date":"2022-06-16","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":3585,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-22-000059","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000059/edgardoc.xml","form_type":"4"}},{"id":2227352,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-06-17T22:18:35.000Z","date":"2022-06-16","kind":"sale","acquired":false,"shares":1340,"price":66.26,"value":88788.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":153875,"source":{"system":"sec-edgar","filing":"0001280263-22-000059","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000059/edgardoc.xml","form_type":"4"}},{"id":2227351,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-06-17T22:18:35.000Z","date":"2022-06-16","kind":"exercise","acquired":true,"shares":2483,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."}],"balance_after":155215,"source":{"system":"sec-edgar","filing":"0001280263-22-000059","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000059/edgardoc.xml","form_type":"4"}},{"id":2294623,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-04-19T22:14:41.000Z","date":"2022-04-11","kind":"grant","acquired":true,"shares":9308,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2022."}],"balance_after":9308,"derivative":{"expiration_date":"2025-03-15","underlying":"Restricted Stock Units","underlying_shares":9308},"source":{"system":"sec-edgar","filing":"0001280263-22-000051","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000051/edgardoc.xml","form_type":"4"}},{"id":2294622,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2022-04-19T22:14:41.000Z","date":"2022-04-11","kind":"grant","acquired":true,"shares":9308,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2025, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be increased or decreased by up to 100% of the Target RSU Number or may remain the same, based on attainment of specified levels of the Company's total shareholder return over the period of February 1, 2022 through January 31, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the \"Target RSU Number\"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2025, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be increased or decreased by up to 100% of the Target RSU Number or may remain the same, based on attainment of specified levels of the Company's total shareholder return over the period of February 1, 2022 through January 31, 2025."}],"balance_after":9308,"derivative":{"expiration_date":"2025-03-15","underlying":"Ordinary Shares","underlying_shares":9308},"source":{"system":"sec-edgar","filing":"0001280263-22-000051","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000051/edgardoc.xml","form_type":"4"}},{"id":2324202,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"exercise","acquired":false,"shares":514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":4109,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":514},"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2324201,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":4780,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2324200,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"exercise","acquired":false,"shares":1189,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."}],"balance_after":0,"derivative":{"expiration_date":"2022-03-15","underlying":"Ordinary Shares","underlying_shares":1189},"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2324199,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Performance Stock Units","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"exercise","acquired":false,"shares":14259,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"On March 7, 2019, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\").  Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2022, subject to continued service requirements through such date.  In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2019 through January 31, 2022 (the \"TSR Period\"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest were increased by 100% of the Target RSU Number."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On March 7, 2019, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the \"Target RSU Number\").  Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2022, subject to continued service requirements through such date.  In addition, the number of shares subject to the award could be increased or decreased by up to 100% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return over the period of February 1, 2019 through January 31, 2022 (the \"TSR Period\"). As a result of the Company's TSR performance over the TSR Period, the number of shares eligible to vest were increased by 100% of the Target RSU Number."}],"balance_after":0,"derivative":{"expiration_date":"2022-03-15","underlying":"Ordinary Shares","underlying_shares":14259},"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2324198,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"sale","acquired":false,"shares":14598,"price":91.2,"value":1331337.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":152732,"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2324197,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-03-18T21:34:17.000Z","date":"2022-03-16","kind":"exercise","acquired":true,"shares":31416,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 81 shares acquired under the Company's employee stock purchase plan on March 15, 2022."}],"balance_after":167330,"source":{"system":"sec-edgar","filing":"0001280263-22-000027","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000027/edgardoc.xml","form_type":"4"}},{"id":2335199,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-03-14T22:00:09.000Z","date":"2022-03-14","kind":"sale","acquired":false,"shares":1315,"price":84.42,"value":111012.3,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":135833,"source":{"system":"sec-edgar","filing":"0001280263-22-000021","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000021/edgardoc.xml","form_type":"4"}},{"id":2339600,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-03-11T00:41:30.000Z","date":"2022-03-08","kind":"grant","acquired":true,"shares":3611,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual cash bonus under the company's previously established Fiscal Year 2022 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share."}],"balance_after":137148,"source":{"system":"sec-edgar","filing":"0001280263-22-000014","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000014/edgardoc.xml","form_type":"4"}},{"id":2443393,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-01-06T00:46:28.000Z","date":"2021-12-07","kind":"sale","acquired":false,"shares":500,"price":223,"value":111500.0,"ownership":{"direct":true},"balance_after":133175,"source":{"system":"sec-edgar","filing":"0001280263-22-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000004/edgardoc.xml","form_type":"4"}},{"id":2443392,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-01-06T00:46:28.000Z","date":"2021-12-07","kind":"sale","acquired":false,"shares":500,"price":220.8062,"value":110403.1,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The sale price reported in column 4 of Table I represents the weighted average sale price of the shares sold ranging from $220.75 to $220.88 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the reporting person will provide full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4."}],"balance_after":133675,"source":{"system":"sec-edgar","filing":"0001280263-22-000004","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000004/edgardoc.xml","form_type":"4"}},{"id":2454023,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2022-01-03T16:08:54.000Z","date":"2021-12-30","kind":"sale","acquired":false,"shares":536,"price":206.1097,"value":110474.7992,"ownership":{"direct":true},"balance_after":134537,"source":{"system":"sec-edgar","filing":"0001280263-22-000002","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026322000002/edgardoc.xml","form_type":"4"}},{"id":2457811,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2021-12-28T21:30:07.000Z","date":"2021-12-27","kind":"sale","acquired":false,"shares":402,"price":209.975,"value":84409.95,"ownership":{"direct":true},"balance_after":135073,"source":{"system":"sec-edgar","filing":"0001280263-21-000160","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000160/edgardoc.xml","form_type":"4"}},{"id":2465714,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-12-17T22:34:15.000Z","date":"2021-12-16","kind":"exercise","acquired":false,"shares":513,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":4623,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":513},"source":{"system":"sec-edgar","filing":"0001280263-21-000143","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000143/edgardoc.xml","form_type":"4"}},{"id":2465713,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-12-17T22:34:15.000Z","date":"2021-12-16","kind":"exercise","acquired":false,"shares":1194,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":5975,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1194},"source":{"system":"sec-edgar","filing":"0001280263-21-000143","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000143/edgardoc.xml","form_type":"4"}},{"id":2465712,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-12-17T22:34:15.000Z","date":"2021-12-16","kind":"exercise","acquired":false,"shares":1188,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."}],"balance_after":1189,"derivative":{"expiration_date":"2022-03-15","underlying":"Ordinary Shares","underlying_shares":1188},"source":{"system":"sec-edgar","filing":"0001280263-21-000143","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000143/edgardoc.xml","form_type":"4"}},{"id":2465711,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2021-12-17T22:34:15.000Z","date":"2021-12-16","kind":"sale","acquired":false,"shares":1595,"price":188.9,"value":301295.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":135475,"source":{"system":"sec-edgar","filing":"0001280263-21-000143","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000143/edgardoc.xml","form_type":"4"}},{"id":2465710,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2021-12-17T22:34:15.000Z","date":"2021-12-16","kind":"exercise","acquired":true,"shares":2895,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."}],"balance_after":137070,"source":{"system":"sec-edgar","filing":"0001280263-21-000143","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000143/edgardoc.xml","form_type":"4"}},{"id":2482035,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2021-12-07T22:17:09.000Z","date":"2021-12-03","kind":"sale","acquired":false,"shares":1495,"price":192.69,"value":288071.55,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Shares sold to pay tax obligations resulting from the vesting of restricted stock units."}],"balance_after":134175,"source":{"system":"sec-edgar","filing":"0001280263-21-000115","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000115/edgardoc.xml","form_type":"4"}},{"id":2482034,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Ordinary Shares","published_at":"2021-12-07T22:17:09.000Z","date":"2021-12-03","kind":"exercise","acquired":true,"shares":2897,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 108 shares acquired under the Company's employee stock purchase plan on September 15, 2021."}],"balance_after":135670,"source":{"system":"sec-edgar","filing":"0001280263-21-000115","document":"edgardoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000115/edgardoc.xml","form_type":"4"}},{"id":2565420,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-09-17T21:09:00.000Z","date":"2021-09-16","kind":"exercise","acquired":false,"shares":514,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2021."}],"balance_after":5136,"derivative":{"expiration_date":"2024-03-15","underlying":"Ordinary Shares","underlying_shares":514},"source":{"system":"sec-edgar","filing":"0001280263-21-000091","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000091/edgardoc.xml","form_type":"4"}},{"id":2565419,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-09-17T21:09:00.000Z","date":"2021-09-16","kind":"exercise","acquired":false,"shares":1195,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2020."}],"balance_after":7169,"derivative":{"expiration_date":"2023-03-15","underlying":"Ordinary Shares","underlying_shares":1195},"source":{"system":"sec-edgar","filing":"0001280263-21-000091","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000091/edgardoc.xml","form_type":"4"}},{"id":2565418,"issuer":{"id":4248,"kind":"organization","name":"AMBARELLA INC","symbol":"AMBA"},"owners":[{"id":32756,"kind":"person","name":"Ju Chi-Hong","position":1,"cik":"0001882831","reported_name":"Ju Chi-Hong","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. Vice President, Systems"}}],"security":"Restricted Stock Units","published_at":"2021-09-17T21:09:00.000Z","date":"2021-09-16","kind":"exercise","acquired":false,"shares":1188,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2019."}],"balance_after":2377,"derivative":{"expiration_date":"2022-03-15","underlying":"Ordinary Shares","underlying_shares":1188},"source":{"system":"sec-edgar","filing":"0001280263-21-000091","document":"edgardoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1280263/000128026321000091/edgardoc.xml","form_type":"4"}}]}